Physician Profile
Unclaimed ProfileAbout LEEFER
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Education & Training
Areas of Expertise
Common questions
What is Dr. Leefer's specialty?
Dr. Leefer is a clinical social worker in Port Jefferson, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CLINICAL SOCIAL WORKER”.
NPI registry
Where can I find Dr. Leefer?
Dr. Leefer is listed at 35 PURITAN PATH, Port Jefferson, NY 11777. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Leefer?
The number on file is (631) 928-9808. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Leefer?
Dr. Leefer's National Provider Identifier is 1003888413. 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
What is Dr. Leefer's medical education?
Dr. Leefer attended Other, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Leefer have?
Dr. Leefer has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Leefer known for?
According to Medicare billing data, Dr. Leefer provides treatments such as psychotherapy, 1 hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Leefer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Leefer. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (631) 928-9808
- Email not available
Practice Locations
35 PURITAN PATH
Port Jefferson, NY 11777
Procedures Most Often Billed to Medicare
386 services · 16 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy, 1 hour | Treatment | 90837 |
386 |
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 in Port Jefferson 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Psychotherapy, 1 hour 8
Providers in NY 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.