Doctor profile · Federal record
Dr. Uyen-Chi Huynh, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Walnut Creek, CA
- NPI 1205271335
- Accepts Medicare
- MIPS 85.7 / 100 · 2023
- 13 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1220 Rossmoor Parkway
Walnut Creek, CA 945952501
(925) 947-3312
fax (925) 947-3396 - Additional location
-
601 van Ness Ave Ste E3619
San Francisco, CA 941023200
(415) 531-9047
fax (415) 213-4659 - Mailing address
-
1450 Treat Blvd, Ste 300
Walnut Creek, CA 945972168
Credentials & registration
- NPI registered
- May 2013 — 13 yrs on file
- Profile last updated
- December 19, 2025
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A138368
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205271335. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,717
Distinct HCPCS
10
Medicare allowed
$487,664
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 1,659 | 176 | $123 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 698 | 161 | $176 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 540 | 241 | $90 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 205 | 169 | $208 | |
99238 |
Hospital discharge day management, 30 minutes or less | 166 | 163 | $93 | |
99316 |
Nursing facility discharge management, more than 30 minutes | 128 | 108 | $150 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 126 | 36 | $87 | |
99315 |
Nursing facility discharge day management, 30 minutes or less | 44 | 40 | $94 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 42 | 30 | $56 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 40 | 32 | $135 |
In context: peer comparison
Among 44 peers in this city , average services per provider: 260. This provider delivers 14× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
773
Patients
222
Total drug cost
$30,329
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 120 | 38 | $765 |
| Atorvastatin Calcium | Generic | 67 | 26 | $1,056 |
| Levothyroxine Sodium | Generic | 66 | 11 | $609 |
| Gabapentin | Generic | 59 | 19 | $1,115 |
| Carvedilol | Generic | 56 | 19 | $620 |
| Furosemide | Generic | 50 | 22 | $271 |
| Eliquis (Apixaban) | Brand | 47 | 18 | $14,985 |
| Trazodone Hcl | Generic | 46 | 14 | $550 |
| Hydralazine Hcl | Generic | 43 | 14 | $1,639 |
| Metformin Hcl | Generic | 41 | 12 | $268 |
Hospital affiliations
Frequently asked questions
What is Dr. Uyen-Chi Huynh's medical specialty?
Dr. Uyen-Chi Huynh practices Internal Medicine Physician in Walnut Creek, CA.
Where does Dr. Uyen-Chi Huynh practice?
Dr. Uyen-Chi Huynh practices at 1220 Rossmoor Parkway, Walnut Creek, CA 945952501. Office phone: 9259473312.
What is Dr. Uyen-Chi Huynh's NPI?
Dr. Uyen-Chi Huynh's National Provider Identifier (NPI) is 1205271335, issued by NPPES.
Does Dr. Uyen-Chi Huynh accept Medicare assignment?
Yes. Dr. Uyen-Chi Huynh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Uyen-Chi Huynh commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.