Frederick Joseph Ast, MD
Rheumatology Physician · New York, NY
Frederick Joseph Ast, MD is a rheumatology physician with a practice address in New York, New York, and NPI 1699742288, issued on Mar 2, 2006. Check the license (New York 1783111, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Frederick Joseph Ast
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 1783111 NY
77224 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 35 E 30TH St, New York, NY 10016
- Phone
- (212) 725-7027
- Enumerated
- Mar 2, 2006
- Record last updated
- Jul 29, 2026
- Fax
- (212) 725-0433
- Medicare enrollment
- Enrolled (PECOS I20251220000416); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 599 in New York → Look up another NPI →
Verify Frederick Joseph Ast in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 1783111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average rheumatology physician in 2024
2,526 Medicare Part D claims for 368 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 73 claims were for opioids.
Most prescribed
- Methotrexate342 claims
- Prednisone321 claims
- Hydroxychloroquine Sulfate232 claims
- Enbrel Sureclick135 claims
- Humira(Cf) Pen118 claims
- Celecoxib82 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,924.51
113 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Benson Hospital CorporationBenson, AZ
- Community Health Center OF Branch CountyColdwater, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frederick Joseph Ast among 599 rheumatology physician records in New York
Frederick Joseph Ast, MD is one of 599 rheumatology physician records with a practice address in New York. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1994 · median 2003 among the 425 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in New York
There are 599 rheumatology physician records in New York.
All 599 in New York → Every provider in New York → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Steven Abramson, MDNew York, NY 100161144294687
- Anca Askanase, MDNew York, NY 100161558336768
- Natalie Azar, MDNew York, NY 100161033183181
- Howard Belmont, MDNew York, NY 100161992779441
- Jill Buyon, MDNew York, NY 100161316910169
- Efstathia Chiopelas, MDNew York, NY 100161629077003
- Brian Golden, MDNew York, NY 100161376542977
- Sicy Lee, MDNew York, NY 100161861466260
Common questions
What is Frederick Joseph Ast, MD's NPI number?
Frederick Joseph Ast, MD's National Provider Identifier (NPI) is 1699742288, issued on Mar 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frederick Joseph Ast, MD located?
The NPPES record lists a practice address at 35 E 30TH St, New York, NY, 10016. Phone: (212) 725-7027. Providers update this record themselves, so call before visiting.
How can I verify Frederick Joseph Ast, MD's license?
NPPES lists New York license number 1783111, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Frederick Joseph Ast, MD prescribe under Medicare Part D?
In 2024, Frederick Joseph Ast, MD had 2,526 Medicare Part D claims for 368 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.