Doctor profile · Federal record
Dr. John Fahy, MD
Internal Medicine Physician · San Francisco, CA
- NPI 1295789550
- MIPS 70.8 / 100 · 2023
- 20 yrs on file
- Male
- No sanctions
Practice & contact
- Primary practice
-
400 Parnassus Ave
San Francisco, CA 941432202
(415) 353-2961
fax (415) 353-2568 - Mailing address
-
1635 Divisadero Street, Suite 625, Box 1821
San Francisco, CA 941430001
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- July 9, 2007
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A53767
- Medicaid
- CA #00A537670
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295789550. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
91
Distinct HCPCS
2
Medicare allowed
$13,949
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 76 | 39 | $162 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 15 | 12 | $110 |
In context: peer comparison
Among 236 peers in this city , average services per provider: 93. This provider delivers 1.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
275
Patients
11
Total drug cost
$447,267
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Nucala (Mepolizumab) | Brand | 30 | 0 | $111,044 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 27 | 0 | $20,860 |
| Dupixent Pen (Dupilumab) | Brand | 24 | 0 | $109,355 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 24 | 0 | $10,457 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 23 | 0 | $1,453 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 19 | 0 | $8,089 |
| Fasenra Pen (Benralizumab) | Brand | 19 | 0 | $100,208 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 19 | 0 | $12,755 |
| Prednisone | Generic | 17 | 11 | $134 |
| Advair Diskus (Fluticasone Propion/Salmeterol) | Brand | 16 | 0 | $8,033 |
Frequently asked questions
What is Dr. John Fahy's medical specialty?
Dr. John Fahy practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. John Fahy practice?
Dr. John Fahy practices at 400 Parnassus Ave, San Francisco, CA 941432202. Office phone: 4153532961.
What is Dr. John Fahy's NPI?
Dr. John Fahy's National Provider Identifier (NPI) is 1295789550, issued by NPPES.
What procedures does Dr. John Fahy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.