John J Ryu, MD
Anesthesiology · Walnut Creek
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- Not verified
- Not the same as out of network.
- Offices
- 2
Offices
2 locations · Cep America - Anesthesia PC · G2 Anesthesia PC
Looking this up.
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. Ryu’s office to ask if they take your plan before you enroll.
California Medical Board record
Licence A51686 · Current
Licensed to practise in California · since 1993 · expires 2028-06-30 · Vanderbilt University School of Medicine.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
Original Medicare doctor bills
$29,891
Medicare paid this office $29,891 for 165 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Anesthesia for other procedure on nose and sinuses | 11 | $2,581 | $235 |
| Anesthesia for procedure on anus and rectum | 12 | $1,867 | $156 |
| Anesthesia for lens surgery | 12 | $1,332 | $111 |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 12 | $1,301 | $108 |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 12 | $719 | $60 |
Who their Medicare patients are
165 Original Medicare patients in 2024. Average age 73 · Under 65 7% · 85 and older 7% · Women 50% · Also on Medicaid 16% · Health risk score 0.95. At or below the middle of the specialty; the typical anesthesiology clinician is at 1.54.
Conditions among them: High blood pressure 70% · Diabetes 30% · Chronic kidney disease 19% · Cancer 19% · Coronary heart disease 16% · Atrial fibrillation 15% · Depression 15% · COPD 11% · Heart failure 8% · Stroke 8%.
The office billed $420,886, Medicare allowed $37,502 and paid $29,891; for 192 services of 44 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 | 165 | 192 | 73 | 0.95 | $420,886 | $29,891 |
| 2023 | 190 | 197 | 73 | 1.00 | $386,322 | $35,006 |
| 2022 | 186 | 254 | 72 | 0.94 | $544,598 | $36,841 |
| 2021 | 195 | 279 | 71 | 1.17 | $566,035 | $38,198 |
| 2020 | 144 | 194 | 72 | 1.53 | $420,292 | $29,502 |
| 2019 | 165 | 213 | 71 | 1.25 | $455,279 | $32,193 |
| 2018 | 131 | 179 | 73 | 1.37 | $375,693 | $25,903 |
| 2017 | 157 | 233 | 71 | 1.44 | $459,373 | $31,892 |
| 2016 | 190 | 295 | 71 | 1.04 | $527,520 | $36,430 |
| 2015 | 186 | 284 | 73 | 1.02 | $464,206 | $34,629 |
| 2014 | 156 | 227 | 72 | 1.18 | $325,634 | $31,080 |
| 2013 | 196 | 280 | 73 | 1.13 | $255,427 | $34,805 |
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
| Anesthesia for other procedure on lower abdomen | 23 | $4,799 | $209 |
| Anesthesia for other procedure on nose and sinuses | 19 | $4,704 | $248 |
| Anesthesia for lens surgery | 22 | $2,397 | $109 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 18 | $2,068 | $115 |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 11 | $1,978 | $180 |
| Anesthesia for other procedure on skin of arms, legs, and front body | 12 | $1,750 | $135 |
2022: 6 services
| Anesthesia for other procedure on lower abdomen | 17 | $3,738 | $220 |
| Anesthesia for other procedure or exam of knee joint using an endoscope | 16 | $2,687 | $168 |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 22 | $2,418 | $110 |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 16 | $877 | $55 |
| Ultrasonic guidance for needle placement | 31 | $816 | $26 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 13 | $492 | $38 |
2021: 9 services
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 32 | $3,725 | $116 |
| Anesthesia for x-ray procedure (accessed through the skin) on spine and spinal cord | 25 | $3,367 | $125 |
| Anesthesia for other procedure on top of arm bone and shoulder joint | 12 | $2,730 | $227 |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 13 | $2,698 | $193 |
| Anesthesia for other procedure or exam of knee joint using an endoscope | 14 | $2,410 | $172 |
| Anesthesia for other procedure on skin of arms, legs, and front body | 14 | $1,768 | $126 |
| Ultrasonic guidance for needle placement | 34 | $919 | $27 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 17 | $743 | $44 |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 13 | $729 | $56 |
2020: 5 services
| Anesthesia for other procedure on top of arm bone and shoulder joint | 16 | $3,613 | $226 |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 17 | $1,895 | $111 |
| Anesthesia for other procedure or exam of knee joint using an endoscope | 11 | $1,707 | $155 |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 15 | $859 | $57 |
| Ultrasonic guidance for needle placement | 23 | $660 | $29 |
2019: 8 services
| Anesthesia for other procedure on lower abdomen | 12 | $2,559 | $213 |
| Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back | 13 | $2,348 | $181 |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 13 | $2,229 | $171 |
| Anesthesia for other procedure on urinary system through urethra | 11 | $2,086 | $160 |
| Anesthesia for other procedure on skin of arms, legs, and front body | 14 | $1,799 | $129 |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 13 | $1,566 | $120 |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 12 | $690 | $58 |
| Ultrasonic guidance for needle placement | 20 | $582 | $29 |
2018: 3 services
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 14 | $2,231 | $159 |
| Anesthesia for other procedure on skin of arms, legs, and front body | 11 | $1,381 | $126 |
| Ultrasonic guidance for needle placement | 21 | $607 | $29 |
2017: 7 services
| Anesthesia for other procedure on top of arm bone and shoulder joint | 17 | $4,205 | $247 |
| Anesthesia for other procedure or exam of knee joint using an endoscope | 18 | $2,804 | $156 |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 16 | $2,602 | $163 |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 13 | $1,646 | $118 |
| Anesthesia for other procedure on skin of arms, legs, and front body | 12 | $1,500 | $125 |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 18 | $978 | $54 |
| Ultrasonic guidance for needle placement | 32 | $894 | $28 |
2016: 8 services
| Anesthesia for other procedure on top of arm bone and shoulder joint | 31 | $7,026 | $227 |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 22 | $3,473 | $151 |
| Anesthesia for other procedure or exam of knee joint using an endoscope | 21 | $3,253 | $155 |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 20 | $2,180 | $109 |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 29 | $1,572 | $54 |
| Anesthesia for lens surgery | 12 | $1,520 | $127 |
| Ultrasonic guidance for needle placement | 47 | $1,359 | $29 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 12 | $404 | $34 |
2015: 8 services
| Anesthesia for other procedure on top of arm bone and shoulder joint | 12 | $2,738 | $228 |
| Anesthesia for other procedure or exam of knee joint using an endoscope | 19 | $2,703 | $142 |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 20 | $2,367 | $118 |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 15 | $2,127 | $142 |
| Anesthesia for lens surgery | 12 | $1,625 | $135 |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 17 | $979 | $54 |
| Ultrasonic guidance for needle placement | 33 | $963 | $28 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 21 | $698 | $33 |
2014: 4 services
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 15 | $2,484 | $166 |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 13 | $1,540 | $118 |
| Ultrasonic guidance for needle placement | 19 | $550 | $29 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 14 | $503 | $34 |
2013: 5 services
| Anesthesia for lens surgery | 43 | $5,447 | $127 |
| Anesthesia for other procedure or exam of knee joint using an endoscope | 12 | $1,559 | $130 |
| Ultrasonic guidance for needle placement | 27 | $753 | $28 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 22 | $719 | $33 |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 12 | $640 | $53 |
Money from drug and device companies
$13 in 2022
A payment is not proof that care is biased.
| Trevena | Olinvyk | $13 | 1 payment
|
See the published payment
| Trevena | Meals · 2022-09-21 | Olinvyk | $13 |
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 61.2 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1497783021
- Licence
- CA A51686California A51686: Current · expires 2028-06-30
- Trained
- Vanderbilt University School of Medicine, 1991
- Group
- Cep America - Anesthesia PC · G2 Anesthesia PC
- Gender
- Male
More record details
- Sole proprietor
- No
- Medicaid ID
- CA 00A516860
- Taxonomy
- Federal specialty code 207L00000X (207L00000X)
- Mailing address
- Po Box 7793, San Francisco, CA, 94120
- NPI first listed
- 2006-06-30
- NPI last updated
- 2007-07-08
This is when the NPI record was last certified, not a medical board exam.