Lan Chen, MD
Orthopedic Surgery · Lafayette
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 12
- 2 carriers
- Office
- 1
- Since medical school
- 21 years
- Columbia University College of Physicians and Surgeons, 2005
Offices
1 location · Colorado Permanente Medical Group PC · 1,325 clinicians in this group
Plans that list them
12 plans · 2 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Chen’s office at (303) 338-4545 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
12 of 12 plans
| Alignment Health BreathEasy (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Clarity (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Harmony (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes CalPlus (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes Care (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Heart & Diabetes Choice (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Honor+ Plan (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health My Choice CalCare (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Imperial Courage Plan (HMO) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| Imperial Dynamic Plan (HMO) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| Imperial Senior Value (HMO C-SNP) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
California Medical Board record
Licence C167204 · Current
Licensed to practise in California · since 2019 · expires 2027-12-31 · Columbia University College of Physicians and Surgeons.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
State licence records
2 licences
- Colorado DR.73844Physician · since 2024 · expires 2027-04-30Specialty on the licence: OrthopedicsMatched by name, not licence number; check the name before relying on it.ActiveNo board action on this licenceCheck it with the stateWhat they told the state about themselves
- Illinois 036127688Licensed Physician And Surgeon · since 2011 · expires 2023-07-31Not RenewedNo board action on this licenceCheck it with the state
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
- American Board of Orthopaedic Surgery - Orthopaedic Surgery
- Orthopaedic Surgery
Education
- Columbia Uni College of Physicians and Surgeons2005
What else the board holds
Hospitals they may admit to
Where the clinician told their state board they may admit and treat patients.
- Commonspirit - St. Anthony North Hospital · Westminster, CO
- University of CA San Francisco Medical Center (UCSF) · San Francisco, CA
Also licensed in
States the clinician told their board they are also licensed in. Only the states we check are verified.
California · Illinois
Original Medicare doctor bills
$35,559
Medicare paid this office $35,559 for 156 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Return visit (30+ min) | 80 | $8,016 | $85 |
| New patient visit (45+ min) | 41 | $5,051 | $123 |
| Long return visit (40+ min) | 24 | $3,876 | $134 |
| Short return visit (20+ min) | 44 | $3,072 | $55 |
Procedures year by year
| Procedure | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|
| Application of short leg cast | 29 | – | 23 | 24 | 22 | – |
| Aspiration and/or injection of fluid from medium joint | 12 | – | – | – | – | – |
Times billed to Original Medicare each year. A blank year means fewer than 11 people had it, or none: Medicare does not publish smaller counts. Medicare Advantage patients are not included.
Who their Medicare patients are
156 Original Medicare patients in 2024. Average age 72 · Women 65% · Also on Medicaid 26% · Health risk score 1.25. Above the middle of the specialty; the typical orthopedic surgery clinician is at 1.13.
Conditions among them: High blood pressure 66% · Depression 31% · Diabetes 21% · Coronary heart disease 21% · Chronic kidney disease 19% · Atrial fibrillation 14% · Heart failure 13% · Cancer 10% · COPD 10%.
The office billed $257,708, Medicare allowed $47,286 and paid $35,559; for 397 services of 39 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 | 156 | 397 | 72 | 1.25 | $257,708 | $35,559 |
| 2023 | 235 | 521 | 70 | 1.11 | $480,575 | $62,726 |
| 2022 | 215 | 512 | 71 | 1.16 | $376,496 | $49,751 |
| 2021 | 197 | 408 | 71 | 1.15 | $361,351 | $50,526 |
| 2020 | 162 | 265 | 71 | 1.23 | $109,944 | $19,601 |
| 2019 | 416 | 861 | 73 | 1.22 | $306,297 | $76,574 |
| 2018 | 414 | 851 | 73 | 1.08 | $301,296 | $75,174 |
| 2017 | 362 | 735 | 72 | 1.10 | $242,540 | $61,054 |
| 2016 | 278 | 544 | 71 | 1.11 | $212,855 | $52,295 |
| 2015 | 300 | 581 | 72 | 1.10 | $255,124 | $59,647 |
| 2014 | 305 | 553 | 73 | 1.20 | $294,007 | $60,221 |
| 2013 | 266 | 431 | 73 | 1.23 | $179,464 | $42,057 |
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: 6 services
| Return visit (30+ min) | 104 | $12,279 | $94 |
| New patient visit (45+ min) | 75 | $8,498 | $113 |
| Short return visit (20+ min) | 84 | $7,500 | $66 |
| Long return visit (40+ min) | 30 | $5,402 | $132 |
| New patient visit (60+ min) | 11 | $1,719 | $156 |
| Application of short leg cast | 12 | $1,331 | $61 |
2022: 6 services
| Return visit (30+ min) | 98 | $11,038 | $87 |
| New patient visit (45+ min) | 66 | $8,045 | $122 |
| Short return visit (20+ min) | 64 | $6,168 | $62 |
| Long return visit (40+ min) | 21 | $3,559 | $148 |
| Application of short leg cast | 15 | $1,306 | $54 |
| New patient visit (30+ min) | 12 | $788 | $66 |
2021: 7 services
| Return visit (30+ min) | 76 | $8,879 | $100 |
| New patient visit (45+ min) | 64 | $7,760 | $121 |
| Short return visit (20+ min) | 61 | $5,816 | $69 |
| Long return visit (40+ min) | 28 | $4,886 | $153 |
| New patient visit (60+ min) | 11 | $2,076 | $189 |
| Application of short leg cast | 16 | $1,626 | $71 |
| New patient visit (30+ min) | 21 | $1,577 | $75 |
2020: 7 services
| Return visit (30+ min) | 60 | $3,584 | $53 |
| New patient visit (45+ min) | 15 | $1,822 | $121 |
| Long return visit (40+ min) | 16 | $1,793 | $105 |
| New patient visit (30+ min) | 32 | $1,786 | $56 |
| Return visit (30+ min) | 13 | $1,401 | $78 |
| New patient visit (45+ min) | 13 | $974 | $75 |
| Short return visit (20+ min) | 27 | $923 | $30 |
2019: 11 services
| Return visit (30+ min) | 218 | $19,410 | $62 |
| Long return visit (40+ min) | 72 | $7,006 | $85 |
| New patient visit (30+ min) | 118 | $6,846 | $58 |
| New patient visit (45+ min) | 57 | $5,806 | $102 |
| Short return visit (20+ min) | 53 | $2,745 | $42 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 13 | $2,254 | $173 |
| New patient visit (60+ min) | 13 | $1,875 | $144 |
| Application of short leg cast | 20 | $1,489 | $51 |
| Aspiration and/or injection of fluid from medium joint | 11 | $400 | $33 |
| Fluoroscopic guidance for needle placement | 11 | $286 | $24 |
| Imaging guidance for procedure, 60 minutes or less | 19 | $258 | $14 |
2018: 9 services
| Return visit (30+ min) | 218 | $18,000 | $61 |
| New patient visit (45+ min) | 94 | $9,134 | $97 |
| Long return visit (40+ min) | 80 | $7,871 | $90 |
| New patient visit (30+ min) | 87 | $5,156 | $59 |
| Short return visit (20+ min) | 47 | $2,468 | $42 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 14 | $2,408 | $172 |
| New patient visit (60+ min) | 11 | $1,489 | $135 |
| Application of short leg cast | 17 | $1,477 | $51 |
| Placement of strapping to toes | 13 | $318 | $9 |
2017: 9 services
| Return visit (30+ min) | 173 | $14,917 | $61 |
| New patient visit (45+ min) | 108 | $10,522 | $97 |
| Long return visit (40+ min) | 70 | $6,896 | $87 |
| New patient visit (30+ min) | 59 | $3,492 | $59 |
| Short return visit (20+ min) | 55 | $2,325 | $39 |
| New patient visit (60+ min) | 14 | $1,657 | $118 |
| Application of short leg cast | 14 | $820 | $46 |
| Aspiration and/or injection of fluid from small joint | 11 | $436 | $27 |
| Fluoroscopic guidance for needle placement | 16 | $432 | $24 |
2016: 7 services
| Return visit (30+ min) | 120 | $9,187 | $64 |
| New patient visit (45+ min) | 56 | $5,637 | $101 |
| Long return visit (40+ min) | 46 | $5,448 | $91 |
| New patient visit (30+ min) | 75 | $4,519 | $60 |
| Short return visit (20+ min) | 50 | $2,625 | $43 |
| Application of short leg cast | 14 | $1,005 | $53 |
| Imaging guidance for procedure, 60 minutes or less | 12 | $87 | $7 |
2015: 6 services
| Return visit (30+ min) | 111 | $8,501 | $61 |
| New patient visit (30+ min) | 117 | $7,449 | $64 |
| New patient visit (45+ min) | 41 | $4,201 | $102 |
| Long return visit (40+ min) | 21 | $2,626 | $82 |
| Short return visit (20+ min) | 46 | $2,301 | $42 |
| Closed treatment of broken bone in forefoot or midfoot | 12 | $2,177 | $145 |
2014: 8 services
| Return visit (30+ min) | 87 | $6,583 | $64 |
| New patient visit (30+ min) | 103 | $6,153 | $60 |
| New patient visit (45+ min) | 49 | $5,278 | $108 |
| Long return visit (40+ min) | 37 | $3,769 | $92 |
| Closed treatment of broken bone in forefoot or midfoot | 18 | $3,188 | $152 |
| Closed treatment of broken outside lower leg bone at ankle | 13 | $3,145 | $242 |
| Short return visit (20+ min) | 40 | $1,777 | $41 |
| Application of short leg cast | 11 | $844 | $53 |
2013: 5 services
| New patient visit (30+ min) | 132 | $8,096 | $61 |
| Return visit (30+ min) | 48 | $3,734 | $64 |
| Short return visit (20+ min) | 78 | $3,723 | $38 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 17 | $1,897 | $112 |
| Application of short leg cast | 16 | $1,214 | $53 |
Medicaid work
$4,229 in 2019
Medicaid paid $4,229 for 122 billed services this clinician did in 2019, up to 24 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) | 122 | $4,229 |
| 2019 | 122 | 1 | 24 | $4,229 |
| 2018 | 99 | 1 | 16 | $3,516 |
See the largest Medicaid services in earlier years
2018
| Return visit (30+ min) | 99 | $3,516 |
Drugs they prescribed that Part D paid
$1,486
Pharmacies billed $1,486 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
73 generic and 0 brand-name prescriptions · $1,486 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.
| Celecoxib | 17 | $1,219 | $72 |
| Meloxicam | 33 | $96 | $3 |
Year by year
| 2024 | 73 | 44 | None | 0% | $1,486 |
| 2023 | 89 | 37 | None | 0% | $811 |
| 2022 | 86 | 48 | None | 0% | $1,000 |
| 2021 | 50 | 32 | None | 0% | $618 |
| 2020 | 71 | 54 | None | None | $1,604 |
| 2019 | 251 | 160 | 12% (31) | 14% | $5,873 |
| 2018 | 229 | 146 | 12% (27) | 11% | $5,890 |
| 2017 | 112 | 83 | 13% (14) | 11% | $2,020 |
| 2016 | 49 | 30 | None | 37% | $1,436 |
| 2015 | 61 | 51 | None | 21% | $2,303 |
| 2014 | 45 | 33 | 33% (15) | 27% | $4,202 |
| 2013 | 36 | 20 | None | 39% | $3,411 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 1 drug
| Meloxicam | 52 | $192 | $4 |
2022: 2 drugs
| Celecoxib | 17 | $621 | $37 |
| Meloxicam | 44 | $127 | $3 |
2021: 1 drug
| Meloxicam | 30 | $193 | $6 |
2020: 2 drugs
| Diclofenac | 27 | $747 | $28 |
| Meloxicam | 18 | $84 | $5 |
2019: 5 drugs
| Diclofenac | 56 | $1,589 | $28 |
| Voltaren | 12 | $861 | $72 |
| Meloxicam | 95 | $466 | $5 |
| Cephalexin | 17 | $147 | $9 |
| Acetaminophen-Codeine | 13 | $62 | $5 |
2018: 5 drugs
| Diclofenac | 63 | $2,264 | $36 |
| Celecoxib | 15 | $1,226 | $82 |
| Meloxicam | 67 | $257 | $4 |
| Cephalexin | 21 | $166 | $8 |
| Hydrocodone-Acetaminophen | 13 | $166 | $13 |
2017: 3 drugs
| Diclofenac | 23 | $915 | $40 |
| Meloxicam | 30 | $147 | $5 |
| Cephalexin | 15 | $124 | $8 |
2016: 1 drug
| Voltaren | 15 | $804 | $54 |
2015: 2 drugs
| Voltaren | 11 | $790 | $72 |
| Meloxicam | 18 | $103 | $6 |
Money from drug and device companies
$105 in 2025
| 2025 | 2 | 2 | None | $105 |
| 2024 | 2 | 3 | None | $203 |
| 2023 | 2 | 3 | None | $380 |
| 2022 | 1 | 1 | None | $20 |
| 2021 | 1 | 1 | None | $123 |
| 2020 | 1 | 1 | None | $149 |
| 2019 | 1 | 1 | None | $150 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Stryker | Inbone | $74 | 1 payment
|
| DePuy Synthes Sales | Na | $31 | 1 payment
|
See all 2 published payments
| DePuy Synthes Sales | Meals · 2025-11-14 | Na | $31 |
| Stryker | Meals · 2025-07-09 | Inbone | $74 |
See earlier years (2024, 2023, 2022, 2021, 2020, 2019)
2024: $203
| Evolution Surgical | None | $177 | 2 payments
|
| Paragon 28 | Portfolio | $26 | 1 payment
|
2023: $380
| Trice Medical | None | $196 | 1 payment
|
| Stryker | Prophecy | $184 | 2 payments
|
2022: $20
| Evolution Surgical | None | $20 | 1 payment
|
2021: $123
| Evolution Surgical | None | $123 | 1 payment
|
2020: $149
| Stryker | Acculif | $149 | 1 payment
|
2019: $150
| Stryker | Axsos | $150 | 1 payment
|
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 75.0 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1821257148
- Licence
- CA C167204, IL 036127688California C167204: Current · expires 2027-12-31Colorado DR.73844: ActiveIllinois 036127688: Not Renewed
- Trained
- Columbia University College of Physicians and Surgeons, 2005 · 21 years ago
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Orthopedic surgery (207X00000X); Federal specialty code 207XX0004X (207XX0004X)
- Mailing address
- 10350 E Dakota Ave, Denver, CO, 80247
- NPI first listed
- 2008-06-02
- NPI last updated
- 2024-10-07
- NPI record certified
- 2024-10-07
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 1500 Owens St # 201, San Francisco, CA, 94158
This office lists an electronic records connection.