Christopher Johnson, MD
Orthopedic Surgery · Englewood
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- Not verified
- Not the same as out of network.
- Office
- 1
Offices
1 location · Portercare Adventist Health System · 770 clinicians in this group
Looking this up.
Hospitals listed: Adventhealth Porter. That is not proof they admit you there this week.
Plan participation
Not verified
We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Johnson’s office at (303) 697-7463 to ask if they take your plan before you enroll.
California Medical Board record
Licence A161516 · Delinquent
Licence status: Delinquent · since 2019 · expires 2025-03-31 · University of Colorado School of Medicine.
License renewal fee has not been paid. No practice is permitted.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
State licence records
1 licence
- Colorado DR.70711Physician · since 2023 · expires 2027-04-30Specialty on the licence: Orthopeadic Sur ResidencyActiveNo board action on this licenceCheck it with the stateWhat they told the state about themselves
We check Colorado, Delaware, Florida, Illinois, Maryland, New Jersey, New York, Tennessee, Texas, Virginia, Washington, plus California above. A state that is not in this list has not been checked, which is not the same as clear.
School, training and certification
What this clinician told their state board, medical school and everything before it. Only some states publish this, so nothing here means the state does not say, not that there was no training or certification.
Specialty certification
- Orthopaedic Surgery
Education
- University of Colorado School of Medicine2017
What else the board holds
Hospitals they may admit to
Where the clinician told their state board they may admit and treat patients.
- Adventhealth Porter · Denver, CO
Also licensed in
States the clinician told their board they are also licensed in. Only the states we check are verified.
California
Hospitals they work in
1 hospital
These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.
- Adventhealth PorterDenver, COAcute Care Hospital · Voluntary non-profit - Private · Has an emergency departmentPart of AdventHealth, which runs 42 hospitals in 9 statesPatients rate it 3 of 5 · 65% would definitely recommend itOverall rating: 4 of 5 starsBetter than the national rate — Clostridium Difficile (C.Diff): 0.494, Oct 2024 – Sep 2025
See every measure and the patient survey for Adventhealth Porter
Behind the star rating — Deaths: 0 better, 8 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 0 worse of 7 measures. Readmissions: 2 better, 6 the same, 0 worse of 8 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Clostridium Difficile (C.Diff)Infections | 0.494 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.11 (0.12 to 2.11) · 829 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.92 (0.57 to 1.26) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 132.86 (77.03 to 188.69) · 58 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 2 · 40 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 7.7 · 33 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 11.2 · 31 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 9 · 147 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 15.4 · 101 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 9.1 · 50 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.1 · 1,833 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.17 (0 to 0.39) · 2,802 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.36 (0.15 to 0.56) · 3,003 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.85 (1.75 to 5.95) · 1,103 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.79 (0.21 to 3.38) · 623 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.99 (1.49 to 4.48) · 980 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 9.18 (2.91 to 15.44) · 680 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 4.9 (1.55 to 8.24) · 656 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.96 (0.48 to 3.43) · 424 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.27 (0 to 1.14) · 2,108 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.4 · 68 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.243 | No different | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.459 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 1.011 | No different | Oct 2024 – Sep 2025 |
| SSI - Abdominal HysterectomyInfections | 0 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.354 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 15.8 · 56 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 21.4 · 257 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -34.3 · 175 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 16.3 · 107 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 17 · 194 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.1 · 80 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.2 · 88 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 12.8 (9.4 to 17.2) · 290 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1 (0.8 to 1.2) · 673 cases | No different | Jan 2024 – Dec 2024 |
What patients said (740 patients answered, 21% of those asked)
| Cleanliness | 3 |
| Nurse communication | 3 |
| Doctor communication | 4 |
| Communication about medicines | 2 |
| Discharge information | 3 |
| Overall hospital rating | 3 |
| Quietness | 3 |
| Recommend hospital | 3 |
| Room was "always" clean | 70% |
| Nurses "always" communicated well | 76% |
| Doctors "always" communicated well | 81% |
| Staff "always" explained | 56% |
| Yes, staff "did" give patients this information | 84% |
| Yes, staff "did" give patients information about help after discharge | 84% |
| Doctors "always" explained things so they could understand | 76% |
| Doctors "always" listened carefully | 80% |
| Doctors "always" treated them with courtesy and respect | 87% |
| Patients who gave a rating of "9" or "10" (high) | 68% |
| Staff "always" explained new medications | 71% |
| Nurses "always" explained things so they could understand | 71% |
| Nurses "always" listened carefully | 74% |
| Nurses "always" treated them with courtesy and respect | 85% |
| "Always" quiet at night | 56% |
| "YES", patients would definitely recommend the hospital | 65% |
| Staff "always" explained possible side effects | 41% |
| Yes, staff "did" give patients information about possible symptoms | 84% |
Original Medicare doctor bills
$93,226
Medicare paid this office $93,226 for 135 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Return visit (30+ min) | 88 | $16,336 | $102 |
| Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | 14 | $10,059 | $718 |
| New patient visit (45+ min) | 65 | $7,692 | $118 |
| X-ray of entire middle and lower spine, 2-3 views | 44 | $2,973 | $55 |
| Long return visit (40+ min) | 12 | $2,004 | $143 |
See all 8 services
| Return visit (30+ min) | 88 | $16,336 | $102 |
| Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | 14 | $10,059 | $718 |
| New patient visit (45+ min) | 65 | $7,692 | $118 |
| X-ray of entire middle and lower spine, 2-3 views | 44 | $2,973 | $55 |
| Long return visit (40+ min) | 12 | $2,004 | $143 |
| X-ray of lower and sacral spine, minimum of 4 views | 35 | $1,395 | $39 |
| X-ray of lower and sacral spine, 2-3 views | 30 | $1,270 | $30 |
| X-ray of upper spine, 4-5 views | 26 | $1,092 | $42 |
Procedures Medicare counted
| Laminectomy or laminotomy (partial removal of spine bones) | 41 | More than 71% of doctors who do this |
| Spinal fusion | 114 | More than 77% of doctors who do this |
Who their Medicare patients are
135 Original Medicare patients in 2024. Average age 73 · Women 57% · Health risk score 0.99. At or below the middle of the specialty; the typical orthopedic surgery clinician is at 1.13.
Conditions among them: High blood pressure 61% · Depression 30% · Coronary heart disease 26% · Cancer 20% · COPD 17% · Diabetes 13% · Chronic kidney disease 11% · Atrial fibrillation 10% · Stroke 10% · Heart failure 9%.
The office billed $421,077, Medicare allowed $118,802 and paid $93,226; for 555 services of 52 kinds.
Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.
Year by year
| 2024 | 135 | 555 | 73 | 0.99 | $421,077 | $93,226 |
| 2023 | 145 | 494 | 75 | 1.21 | $1,023,350 | $69,101 |
| 2022 | 68 | 363 | 73 | 1.13 | $874,552 | $34,328 |
Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.
See the services billed each year
2023: 11 services
| Fusion of spine in lower back | 32 | $10,694 | $334 |
| Fusion of additional segment of spine | 26 | $8,612 | $118 |
| Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | 28 | $5,547 | $198 |
| Placement of stabilizing device to back, 3-6 spine bone segments | 22 | $3,242 | $147 |
| Fusion of lower spine bone through abdomen with partial removal of disc | 22 | $3,125 | $142 |
| New patient visit (45+ min) | 20 | $2,492 | $125 |
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | 30 | $2,087 | $51 |
| Placement of stabilizing device to back of 1 spine bone in neck | 17 | $1,740 | $102 |
| Return visit (30+ min) | 14 | $1,419 | $101 |
| Short return visit (20+ min) | 12 | $787 | $66 |
| Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment | 12 | $425 | $28 |
2022: 8 services
| Fusion of additional segment of spine | 22 | $5,081 | $53 |
| Fusion of spine in lower back | 18 | $4,065 | $226 |
| Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | 15 | $2,209 | $147 |
| Fusion of lower spine bone through abdomen with partial removal of disc | 15 | $1,943 | $130 |
| Placement of stabilizing device to back, 3-6 spine bone segments | 14 | $1,448 | $103 |
| Placement of stabilizing device to back, 7-12 spine bone segments | 11 | $1,219 | $111 |
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | 21 | $1,081 | $35 |
| Insertion of instrumentation to pelvic bones | 12 | $589 | $49 |
Medicaid work
$6,722 in 2024
Medicaid paid $6,722 for 142 billed services this clinician did in 2024, up to 20 people in a month for one service.
Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.
| Return visit (30+ min) | 57 | $5,213 |
| New patient visit (45+ min) | 13 | $1,508 |
| TOBACCO NON-USER | 72 | $0 |
| 2024 | 142 | 3 | 20 | $6,722 |
Drugs they prescribed that Part D paid
$879
Pharmacies billed $879 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 28% of their Part D prescriptions (37 of 134) in 2024. At or below the middle of the specialty; the typical orthopedic surgery clinician is at 31%.
134 generic and 0 brand-name prescriptions · $879 in drug cost.
Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.
| Gabapentin | 14 | $216 | $8 |
| Oxycodone | 14 | $149 | $6 |
| Methylprednisolone | 18 | $145 | $7 |
| Methocarbamol | 12 | $125 | $10 |
Year by year
| 2024 | 134 | 57 | 28% (37) | 0% | $879 |
| 2023 | 31 | 26 | None | 0% | $556 |
| 2022 | 24 | 21 | 71% (17) | 0% | $138 |
| 2020 | 20 | 19 | 70% (14) | None | $190 |
| 2019 | 69 | 40 | 49% (34) | 29% | $1,778 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2022: 1 drug
| Oxycodone | 14 | $100 | $7 |
2019: 3 drugs
| Xarelto | 16 | $1,330 | $83 |
| Hydrocodone-Acetaminophen | 13 | $63 | $5 |
| Tramadol | 11 | $34 | $3 |
Money from drug and device companies
$15,497 in 2025
| 2025 | 7 | 46 | $9,950 | $15,497 |
| 2024 | 3 | 22 | None | $2,809 |
| 2023 | 6 | 43 | None | $8,959 |
| 2022 | 2 | 11 | None | $1,402 |
| 2021 | 1 | 1 | None | $120 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Alphatec Spine | Other - Miscellaneous | $8,468 | 31 payments
|
| Kuros Biosciences USA | Magnetos | $6,407 | 8 payments
|
| Medtronic | Cd Horizon Spinal System | $325 | 2 payments
|
| Si-Bone | None | $189 | 2 payments
|
| Carlsmed | Aprevo | $59 | 1 payment
|
| Providence Medical Technology | None | $34 | 1 payment
|
See all 46 published payments
| Alphatec Spine | Travel · 2025-12-18 | Other - Miscellaneous | $25 |
| Alphatec Spine | Meals · 2025-12-04 | Other - Miscellaneous | $45 |
| Alphatec Spine | Meals · 2025-12-04 | None | $143 |
| Alphatec Spine | Meals · 2025-12-04 | None | $175 |
| Alphatec Spine | Meals · 2025-12-04 | Other - Miscellaneous | $42 |
| Alphatec Spine | Travel · 2025-11-21 | Other - Miscellaneous | $554 |
| Alphatec Spine | Consulting · 2025-11-06 | None | $5,000 |
| Providence Medical Technology | Meals · 2025-10-08 | None | $34 |
| Alphatec Spine | Meals · 2025-09-24 | None | $175 |
| Alphatec Spine | Meals · 2025-09-24 | None | $82 |
| Alphatec Spine | Meals · 2025-09-24 | Other - Miscellaneous | $14 |
| Alphatec Spine | Meals · 2025-09-24 | Other - Miscellaneous | $121 |
| Alphatec Spine | Travel · 2025-09-23 | Other - Miscellaneous | $25 |
| Alphatec Spine | Travel · 2025-09-23 | Other - Miscellaneous | $300 |
| Alphatec Spine | Travel · 2025-09-23 | Other - Miscellaneous | $506 |
| Alphatec Spine | Travel · 2025-09-23 | Other - Miscellaneous | $25 |
| Alphatec Spine | Meals · 2025-08-14 | Other - Miscellaneous | $90 |
| Medtronic | Meals · 2025-08-12 | Medtronic Reusable Instruments | $158 |
| Alphatec Spine | Meals · 2025-08-04 | Safeop | $45 |
| Alphatec Spine | Meals · 2025-08-04 | Other - Miscellaneous | $18 |
| Alphatec Spine | Meals · 2025-08-04 | Other - Miscellaneous | $73 |
| Alphatec Spine | Meals · 2025-08-04 | Other - Miscellaneous | $150 |
| Kuros Biosciences USA | Meals · 2025-07-19 | Magnetos | $69 |
| Kuros Biosciences USA | Travel · 2025-07-19 | Magnetos | $34 |
| Kuros Biosciences USA | Meals · 2025-07-19 | Magnetos | $68 |
| Kuros Biosciences USA | Meals · 2025-07-19 | Magnetos | $69 |
| Kuros Biosciences USA | Travel · 2025-07-18 | Magnetos | $388 |
| Kuros Biosciences USA | Meals · 2025-07-18 | Magnetos | $242 |
| Kuros Biosciences USA | Consulting · 2025-07-18 | Magnetos | $4,950 |
| Si-Bone | Meals · 2025-06-20 | None | $12 |
| Alphatec Spine | Meals · 2025-06-19 | Other - Miscellaneous | $175 |
| Alphatec Spine | Meals · 2025-05-23 | Lif | $48 |
| Alphatec Spine | Meals · 2025-05-23 | None | $28 |
| Alphatec Spine | Meals · 2025-05-23 | Other - Miscellaneous | $48 |
| Kuros Biosciences USA | Travel · 2025-05-23 | Magnetos | $587 |
| Alphatec Spine | Meals · 2025-04-30 | Other - Miscellaneous | $59 |
| Carlsmed | Meals · 2025-04-26 | Aprevo | $59 |
| Si-Bone | Meals · 2025-03-10 | None | $177 |
| Alphatec Spine | Meals · 2025-03-03 | Other - Miscellaneous | $85 |
| Alphatec Spine | Meals · 2025-03-03 | Other - Miscellaneous | $156 |
| Theragen | Meals · 2025-02-10 | Actastim-S | $15 |
| Alphatec Spine | Meals · 2025-02-07 | Other - Miscellaneous | $63 |
| Alphatec Spine | Meals · 2025-02-07 | Other - Miscellaneous | $143 |
| Alphatec Spine | Meals · 2025-02-07 | Other - Miscellaneous | $39 |
| Medtronic | Meals · 2025-01-18 | Cd Horizon Spinal System | $168 |
| Alphatec Spine | Meals · 2025-01-15 | Other - Miscellaneous | $18 |
See earlier years (2024, 2023, 2022, 2021)
2024: $2,809
| Alphatec Spine | Other - Miscellaneous | $2,396 | 16 payments
|
| Medtronic | Mazor X System | $328 | 4 payments
|
| Boston Scientific | None | $85 | 2 payments
|
2023: $8,959
| Alphatec Spine | Other - Miscellaneous | $6,371 | 16 payments
|
| Life Spine | Prolift Lateral | $2,138 | 13 payments
|
| NuVasive | Simplify Cervical Artificial Disc | $248 | 9 payments
|
| Medtronic | Mazor X System | $158 | 3 payments
|
| Stryker | Mako | $27 | 1 payment
|
| Baxter Healthcare | Floseal | $17 | 1 payment
|
2022: $1,402
| Stryker | Everest Spinal System | $1,103 | 8 payments
|
| SeaSpine Orthopedics | Northstar | $299 | 3 payments
|
2021: $120
| Baxter Healthcare | Floseal | $120 | 1 payment
|
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 77.2 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1164917332
- Licence
- CA A161516, CO DR.0070711California A161516: Delinquent · expires 2025-03-31Colorado DR.70711: Active
- Video visits
- Lists video visits
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207XS0117X (207XS0117X); Orthopedic surgery (207X00000X)
- Mailing address
- 300 Pasteur Dr, Stanford, CA, 94305
- NPI first listed
- 2018-06-28
- NPI last updated
- 2023-08-28
- NPI record certified
- 2023-08-28
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 300 Pasteur Dr, Stanford, CA, 94305