Doctor profile · Federal record
Dr. Kenneth Chang, MD
Internal Medicine Physician (CMS: Internal Medicine) · San Francisco, CA
- NPI 1609832724
- Accepts Medicare
- 39 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
728 Pacific Ave, Suite 402
San Francisco, CA 941334449
(415) 421-4525
fax (415) 421-4527
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- March 3, 2010
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A55424
- Medicaid
- CA #00A554240
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609832724. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,779
Distinct HCPCS
10
Medicare allowed
$250,402
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 1,486 | 431 | $109 | |
G0008 |
Administration of influenza virus vaccine | 280 | 276 | $37 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 265 | 263 | $76 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 157 | 44 | $3 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 121 | 93 | $153 | |
0134A |
Adm sarscv2 bvl 50mcg/.5ml a | 114 | 111 | $50 | |
90480 |
Admn sarscov2 vacc 1 dose | 99 | 99 | $50 | |
91320 |
Sarscv2 vac 30mcg trs-suc im | 99 | 99 | $128 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 49 | 49 | $197 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 33 | 21 | $65 |
In context: peer comparison
Among 236 peers in this city , average services per provider: 93. This provider delivers 30× the peer median.Open Payments
Industry payments received
All-time total
$83
Transactions
4
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk Inc | 2 | $50.00 | |
| Janssen Pharmaceuticals, Inc | 2 | $32.70 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
10,358
Patients
3,177
Total drug cost
$171,405
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 1,763 | 501 | $32,763 |
| Amlodipine Besylate | Generic | 1,417 | 401 | $20,656 |
| Losartan Potassium | Generic | 1,264 | 338 | $20,401 |
| Metformin Hcl | Generic | 864 | 243 | $12,828 |
| Omeprazole | Generic | 681 | 245 | $11,636 |
| Triamcinolone Acetonide | Generic | 578 | 294 | $5,983 |
| Atenolol | Generic | 550 | 148 | $7,986 |
| Simvastatin | Generic | 480 | 141 | $7,413 |
| Metoprolol Succinate | Generic | 467 | 135 | $12,511 |
| Diclofenac Sodium | Generic | 450 | 201 | $11,376 |
Hospital affiliations
Frequently asked questions
What is Dr. Kenneth Chang's medical specialty?
Dr. Kenneth Chang practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Kenneth Chang practice?
Dr. Kenneth Chang practices at 728 Pacific Ave, San Francisco, CA 941334449. Office phone: 4154214525.
What is Dr. Kenneth Chang's NPI?
Dr. Kenneth Chang's National Provider Identifier (NPI) is 1609832724, issued by NPPES.
Does Dr. Kenneth Chang accept Medicare assignment?
Yes. Dr. Kenneth Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage (HCPCS 90694). Source: CMS Medicare Physician & Other Practitioners file.