Doctor profile · Federal record
Dr. William Andereck, M.D.
Internal Medicine Physician · San Francisco, CA
- NPI 1699800219
- 19 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2100 Webster St, Suite 418
San Francisco, CA 941152373
(415) 923-3025
fax (415) 749-5720
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- July 9, 2007
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G33409
- Medicaid
- CA #00G334090
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699800219. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
301
Distinct HCPCS
7
Medicare allowed
$27,316
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 172 | 77 | $102 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 32 | 31 | $71 | |
G0008 |
Administration of influenza virus vaccine | 32 | 31 | $22 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 19 | $143 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 14 | 13 | $200 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 13 | 12 | $17 | |
81000 |
Manual urinalysis test with examination using microscope, non-automated | 12 | 11 | $4 |
In context: peer comparison
Among 236 peers in this city , average services per provider: 93. This provider delivers 3.2× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 1 | $20.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
968
Patients
277
Total drug cost
$116,317
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 166 | 51 | $1,833 |
| Amlodipine Besylate | Generic | 129 | 43 | $945 |
| Rosuvastatin Calcium | Generic | 92 | 30 | $2,855 |
| Metoprolol Succinate | Generic | 65 | 21 | $1,143 |
| Hydrochlorothiazide | Generic | 60 | 21 | $271 |
| Ezetimibe | Generic | 56 | 20 | $4,112 |
| Allopurinol | Generic | 55 | 13 | $957 |
| Tamsulosin Hcl | Generic | 55 | 18 | $1,465 |
| Levothyroxine Sodium | Generic | 53 | 17 | $1,010 |
| Potassium Chloride | Generic | 53 | 20 | $1,741 |
Frequently asked questions
What is Dr. William Andereck's medical specialty?
Dr. William Andereck practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. William Andereck practice?
Dr. William Andereck practices at 2100 Webster St, San Francisco, CA 941152373. Office phone: 4159233025.
What is Dr. William Andereck's NPI?
Dr. William Andereck's National Provider Identifier (NPI) is 1699800219, issued by NPPES.
What procedures does Dr. William Andereck commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage (HCPCS 90694); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.