Physician Profile
Leonard C. Altman, M.D.
Unclaimed ProfileAbout Dr. Altman
Leonard C. Altman, M.D. is a healthcare provider in Seattle, WA specializing in allergy & immunology. Leonard trained at Harvard Medical School, graduating in 1969.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (206) 527-1200
- Email not available
Practice Locations
9725 3RD AVE NE STE 500
Seattle, WA 98115
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 allergists at this location 3
Same specialty, same street address — most likely the same department or group.
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.
Other allergists in Seattle 6
Same specialty, same city.
More connections — 13 related providers in 2 groups
Trained at Harvard Medical School 7
Other providers in the same specialty who trained at the same institution.
Class of 1969 at Harvard Medical School 6
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Leonard C. Altman?
Leonard C. Altman is an allergist in Seattle, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
What is Leonard C. Altman's address?
Leonard C. Altman is listed at 9725 3Rd Ave Ne Ste 500, Seattle, WA 98115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Leonard C. Altman?
The number on file is (206) 527-1200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Leonard C. Altman's NPI number?
Leonard C. Altman's National Provider Identifier is 1407892466. 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 Leonard C. Altman train?
Leonard C. Altman attended Harvard Medical School, graduating in 1969. This comes from the CMS National Downloadable File.
CMS public data
How long has Leonard C. Altman been practicing?
Leonard C. Altman has 57 years experience. Calculated from a graduation year of 1969, reported in the CMS National Downloadable File.
CMS public data
Has Leonard C. Altman confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Leonard C. Altman. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.