Physician Profile
Unclaimed ProfileAbout LEAFFER
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Education & Training
Areas of Expertise
Common questions
What does Dr. Leaffer specialise in?
Dr. Leaffer is a clinical social worker in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CLINICAL SOCIAL WORKER”.
NPI registry
Where is Dr. Leaffer located?
Dr. Leaffer is listed at 2534 JUDAH ST, San Francisco, CA 94122. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Leaffer's phone number?
The number on file is (415) 449-2900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Leaffer's NPI number?
Dr. Leaffer's National Provider Identifier is 1649347204. 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. Leaffer go to medical school?
Dr. Leaffer attended Other, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Leaffer been practising?
Dr. Leaffer has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Leaffer do most often?
According to Medicare billing data, Dr. Leaffer provides treatments such as psychotherapy, 1 hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Leaffer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Leaffer. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (415) 449-2900
- Email not available
Practice Locations
2534 JUDAH ST
San Francisco, CA 94122
Procedures Most Often Billed to Medicare
298 services · 14 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy, 1 hour | Treatment | 90837 |
298 |
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 clinical social workers at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other clinical social workers in San Francisco 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy, 1 hour 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.