Doctor profile · Federal record
Dr. Waseem Ahmad, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · San Francisco, CA
- NPI 1649633991
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1701 Divisadero St Rm 120
San Francisco, CA 941153011
(415) 502-4444
fax (415) 502-2249
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- January 6, 2026
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A152851
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649633991. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
486
Distinct HCPCS
9
Medicare allowed
$71,787
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 92 | 91 | $275 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 86 | 85 | $6 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 80 | 80 | $200 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 66 | 65 | $111 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 62 | 52 | $160 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 43 | 43 | $89 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 27 | 27 | $148 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 18 | 18 | $190 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 12 | 12 | $120 |
In context: peer comparison
Among 24 peers in San Francisco Gastroenterology Physician, average services per provider: 42. This provider delivers 12× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
199
Patients
130
Total drug cost
$50,284
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 59 | 58 | $1,073 |
| Ondansetron Hcl | Generic | 45 | 42 | $90 |
| Omeprazole | Generic | 35 | 19 | $1,042 |
| Famotidine | Generic | 22 | 0 | $424 |
| Xifaxan (Rifaximin) | Brand | 14 | 11 | $33,319 |
| Linzess (Linaclotide) | Brand | 13 | 0 | $10,600 |
| Lansoprazole | Generic | 11 | 0 | $3,735 |
Hospital affiliations
Frequently asked questions
What is Dr. Waseem Ahmad's medical specialty?
Dr. Waseem Ahmad practices Gastroenterology Physician in San Francisco, CA.
Where does Dr. Waseem Ahmad practice?
Dr. Waseem Ahmad practices at 1701 Divisadero St Rm 120, San Francisco, CA 941153011. Office phone: 4155024444.
What is Dr. Waseem Ahmad's NPI?
Dr. Waseem Ahmad's National Provider Identifier (NPI) is 1649633991, issued by NPPES.
Does Dr. Waseem Ahmad accept Medicare assignment?
Yes. Dr. Waseem Ahmad accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Waseem Ahmad commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.