Doctor profile · Federal record
Dr. Choon-Weng Chan, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Elk Grove, CA
- NPI 1528088937
- Accepts Medicare
- MIPS 90.2 / 100 · 2023
- 25 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8220 Wymark Dr
Elk Grove, CA 957576297
(916) 667-0600
fax (916) 683-0232 - Mailing address
-
3400 Data Dr, Physician Support Services
Rancho Cordova, CA 956707956
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 10, 2014
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- California #C129586 · Massachusetts #227845
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528088937. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,669
Distinct HCPCS
10
Medicare allowed
$196,126
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,097 | 381 | $136 | |
G0008 |
Administration of influenza virus vaccine | 121 | 117 | $30 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 106 | 102 | $75 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 69 | 69 | $119 | |
83036 |
Hemoglobin a1c level | 47 | 38 | $10 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 44 | 44 | $138 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 39 | 36 | $96 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 29 | 29 | $282 | |
G0009 |
Administration of pneumococcal vaccine | 29 | 29 | $33 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 19 | 19 | $176 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 97. This provider delivers 17× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
4,460
Patients
1,259
Total drug cost
$88,153
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 887 | 243 | $15,869 |
| Amlodipine Besylate | Generic | 627 | 175 | $6,348 |
| Losartan Potassium | Generic | 356 | 117 | $5,217 |
| Lisinopril | Generic | 339 | 101 | $3,748 |
| Tamsulosin Hcl | Generic | 309 | 74 | $8,348 |
| Metformin Hcl | Generic | 280 | 81 | $3,262 |
| Levothyroxine Sodium | Generic | 266 | 57 | $4,305 |
| Omeprazole | Generic | 224 | 71 | $3,919 |
| Metoprolol Succinate | Generic | 188 | 54 | $3,938 |
| Pravastatin Sodium | Generic | 180 | 52 | $3,681 |
Frequently asked questions
What is Dr. Choon-Weng Chan's medical specialty?
Dr. Choon-Weng Chan practices Internal Medicine Physician in Elk Grove, CA.
Where does Dr. Choon-Weng Chan practice?
Dr. Choon-Weng Chan practices at 8220 Wymark Dr, Elk Grove, CA 957576297. Office phone: 9166670600.
What is Dr. Choon-Weng Chan's NPI?
Dr. Choon-Weng Chan's National Provider Identifier (NPI) is 1528088937, issued by NPPES.
Does Dr. Choon-Weng Chan accept Medicare assignment?
Yes. Dr. Choon-Weng Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Choon-Weng Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage (HCPCS 90694). Source: CMS Medicare Physician & Other Practitioners file.