Doctor profile · Federal record
Dr. John Chow, M.D.
Legal Medicine (CMS: Internal Medicine) · Specialist · San Mateo, CA
- NPI 1215984513
- Accepts Medicare
- 35 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
101 S San Mateo Drive, Suite 100
San Mateo, CA 94401
(650) 347-0063
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- May 31, 2012
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 173000000X — NUCC code
- State license (1)
- California #G75391
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215984513. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,660
Distinct HCPCS
10
Medicare allowed
$336,949
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,102 | 560 | $153 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 438 | 438 | $157 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 189 | 156 | $109 | |
G0008 |
Administration of influenza virus vaccine | 149 | 149 | $37 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 98 | 98 | $134 | |
90688 |
Influenza vaccine, quadrivalent, 0.5 ml dosage | 95 | 95 | $20 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 91 | 39 | $74 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 84 | 72 | $110 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 68 | 61 | $75 | |
90662 |
Influenza vaccine split virus, preservative free | 54 | 54 | $72 |
In context: peer comparison
Among 2 peers in San Mateo Legal Medicine, average services per provider: 122. This provider delivers 22× the peer median.Open Payments
Industry payments received
All-time total
$42
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 1 | $23.04 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $18.56 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,458
Patients
1,591
Total drug cost
$83,406
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 1,012 | 289 | $12,909 |
| Amlodipine Besylate | Generic | 908 | 268 | $10,839 |
| Losartan Potassium | Generic | 633 | 174 | $10,663 |
| Levothyroxine Sodium | Generic | 517 | 140 | $10,052 |
| Simvastatin | Generic | 319 | 96 | $4,690 |
| Tamsulosin Hcl | Generic | 292 | 85 | $6,371 |
| Metformin Hcl | Generic | 283 | 81 | $3,570 |
| Metoprolol Succinate | Generic | 242 | 75 | $4,352 |
| Atenolol | Generic | 218 | 59 | $2,520 |
| Gabapentin | Generic | 189 | 73 | $4,777 |
Hospital affiliations
Frequently asked questions
What is Dr. John Chow's medical specialty?
Dr. John Chow practices Legal Medicine in San Mateo, CA.
Where does Dr. John Chow practice?
Dr. John Chow practices at 101 S San Mateo Drive, San Mateo, CA 94401. Office phone: 6503470063.
What is Dr. John Chow's NPI?
Dr. John Chow's National Provider Identifier (NPI) is 1215984513, issued by NPPES.
Does Dr. John Chow accept Medicare assignment?
Yes. Dr. John Chow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Chow commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.