Doctor profile · Federal record
Dr. Michael Deftos, M.D.,PH.D.
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · San Francisco, CA
- NPI 1346557139
- Accepts Medicare
- MIPS 74.2 / 100 · 2023
- 23 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2455 39Th Ave
San Francisco, CA 941162154
(415) 504-7422
Credentials & registration
- NPI registered
- September 2010 — 16 yrs on file
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- California #A98387
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346557139. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
518
Distinct HCPCS
10
Medicare allowed
$23,911
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 241 | 135 | $43 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 47 | 21 | $33 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 43 | 23 | $96 | |
88112 |
Cell examination of specimen, selective cellular enhancement technique | 30 | 28 | $32 | |
88360 |
Microscopic genetic analysis of tumor, manual | 30 | 11 | $49 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 28 | 26 | $41 | |
88312 |
Special stained specimen slides to identify organisms including interpretation and report | 27 | 20 | $31 | |
88173 |
Evaluation of fine needle aspirate with interpretation and report | 25 | 19 | $82 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 17 | 15 | $14 | |
88172 |
Evaluation of fine needle aspirate | 16 | 12 | $42 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 110. This provider delivers 4.7× the peer median.Frequently asked questions
What is Dr. Michael Deftos's medical specialty?
Dr. Michael Deftos practices Anatomic Pathology & Clinical Pathology Physician in San Francisco, CA.
Where does Dr. Michael Deftos practice?
Dr. Michael Deftos practices at 2455 39Th Ave, San Francisco, CA 941162154. Office phone: 4155047422.
What is Dr. Michael Deftos's NPI?
Dr. Michael Deftos's National Provider Identifier (NPI) is 1346557139, issued by NPPES.
Does Dr. Michael Deftos accept Medicare assignment?
Yes. Dr. Michael Deftos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Deftos commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.