Dr. Nathan A Favini, M.D.
Internal Medicine in San Francisco, CA. Individual provider (NPI-1).
Details
- NPI
- 1124381645
- Entity type
- Individual (NPI-1)
- Name
- Dr. Nathan A Favini
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- Enumeration date
- Jun 19, 2012
- Certification date
- Nov 9, 2026
- Last updated
- Nov 9, 2026
Medicare and OIG
- Medicare enrolled (PECOS)
- Yes · PRACTITIONER - INTERNAL MEDICINE
- Can order and refer
- Part B Yes · DME Yes · Home health Yes · Power mobility Yes · Hospice Yes
- OIG exclusion list
- This NPI is not listed
CMS and OIG files of November 2026. PECOS lookup · OIG exclusion check
Taxonomy and licenses
| Taxonomy code | Description | License | State | Primary |
|---|---|---|---|---|
| 207R00000X | Internal Medicine | A135758 | CA | Yes |
| 207R00000X | Internal Medicine | 89265 | GA | |
| 207R00000X | Internal Medicine | 2021-01585 | NC | |
| 207R00000X | Internal Medicine | 346710 | LA | |
| 207R00000X | Internal Medicine | T2163 | TX | |
| 207R00000X | Internal Medicine | MD476423 | PA | |
| 207R00000X | Internal Medicine | 294363 | NY | |
| 207R00000X | Internal Medicine | D0093485 | MD | |
| 207R00000X | Internal Medicine | 63689 | AZ | |
| 207R00000X | Internal Medicine | ME150968 | FL | |
| 207R00000X | Internal Medicine | 37240 | WV | |
| 207R00000X | Internal Medicine | 35.152337 | OH | |
| 207R00000X | Internal Medicine | 282381 | MA | |
| 207R00000X | Internal Medicine | 63533 | TN | |
| 207R00000X | Internal Medicine | 26681 | NV |
Practice location
95 3rd St Ste 293San Francisco, CA 94103-3103
Phone 415-275-2322
Mailing address
2261 Market St Ste 10011San Francisco, CA 94114-1612
Phone 415-275-2322
Other practice locations
New York, NY 10168-1899
Phone 707-207-6571
Carson City, NV 89703-2163
Phone 707-207-6571
Tallahassee, FL 32301-1568
Phone 415-275-2322
Dallas, TX 75201-7268
Phone 707-207-6571
Baltimore, MD 21202-4917
Phone 707-207-6571
San Francisco, CA 94104
Phone 415-349-0850
Is something wrong?
This page shows exactly what the provider filed with NPPES. Only the provider (or their surrogate) can change it, by signing in to NPPES. Our page updates within a day of their change. See how to update NPI information.
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