Physician Profile
Unclaimed ProfileAbout DEFTOS
Based in San Francisco, CA, Michael Deftos, M.D., PhD is listed in the NPI registry under pathology. Michael graduated from University of Washington School of Medicine in 2003. Michael is also listed as specialising in anatomic & clinical pathology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Deftos?
Dr. Deftos is a pathology in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PATHOLOGY”.
NPI registry
What is Dr. Deftos's address?
Dr. Deftos is listed at 2455 39TH AVE, San Francisco, CA 94116. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Deftos?
The number on file is (415) 504-7422. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Deftos?
Dr. Deftos's National Provider Identifier is 1346557139. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Deftos train?
Dr. Deftos attended University of Washington School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Deftos have?
Dr. Deftos has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Deftos perform?
According to Medicare billing data, Dr. Deftos the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Deftos's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Deftos. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (415) 504-7422
- Email not available
Practice Locations
2455 39TH AVE
San Francisco, CA 94116
Procedures Most Often Billed to Medicare
374 services · 252 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
155 |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
67 |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
34 |
| Cell examination of specimen, selective cellular enhancement technique | Lab test | 88112 |
27 |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
23 |
| Evaluation of fine needle aspirate with interpretation and report | Lab test | 88173 |
23 |
| Special stained specimen slides to identify organisms including interpretation and report | Lab test | 88312 |
18 |
| Pap test, automated thin layer preparation; automated system and manual rescreening | Lab test | 88175 |
14 |
| Pap test | Lab test | 88141 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other pathology specialists in San Francisco 8
Same specialty, same city.
Trained at University of Washington School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at University of Washington School of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.