Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Frederick Joseph Ast, MD

Individual provider Rheumatology Physician · NPI 1699742288

Frederick Joseph Ast, MD is an Allergy/Immunology in New York, New York. Qualified in 1994, 32 years ago. Practices with Shakespeare Operating LLC, a 137-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona and New York.

Years since qualifying
32
Licensed in
AZ, NY
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

35 E 30th St Ste 1A
New York, NY 10016-7325
Phone: (212) 725-7027
Fax: (212) 725-0433
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 26 W Broadway Apt 801, Long Beach, NY 11561-4065 — (417) 875-3000

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 1783111 (NY)
Rheumatology Physician Taxonomy 207RR0500X · Licence 77224 (AZ)
Allergy & Immunology Physician Taxonomy 207K00000X · Licence 1783111 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 1783111 (NY)

Record details

NPI number1699742288
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 2, 2006
Last updated in NPPESJuly 29, 2026
Certification dateJuly 29, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesINTERNAL MEDICINE, RHEUMATOLOGY
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice Shakespeare Operating Llc — 137 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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