John Antonios Ashkar, M.D.
Pulmonary Disease Physician · Brooklyn, NY
John Antonios Ashkar, M.D. is a pulmonary disease physician with a practice address in Brooklyn, New York, and NPI 1073568184, issued on May 24, 2006. Check the license (New York 225157, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Antonios Ashkar
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 225157 NY
Self-reported in NPPES; status is on the state search - Practice location
- 355 Ovington Avenue, Brooklyn, NY 11209
- Phone
- (718) 621-7100
- Enumerated
- May 24, 2006
- Record last updated
- Jan 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (718) 333-5523
- Medicaid ID
- 02661030 NY
- Medicare enrollment
- Enrolled (PECOS I20050228000764); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,230 in New York → Look up another NPI →
Also registered at 355 Ovington Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Badin, MDCritical Care Medicine (Internal Medicine) Physician1932147873
Verify John Antonios Ashkar 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 225157Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.3 times the Medicare Part D claims of the average pulmonary disease physician in 2024
8,973 Medicare Part D claims for 621 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 33 claims were for opioids.
Most prescribed
- Albuterol Sulfate Hfa662 claims
- Pantoprazole Sodium557 claims
- Montelukast Sodium321 claims
- Atorvastatin Calcium273 claims
- Amlodipine Besylate224 claims
- Trelegy Ellipta209 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: $2,527.78
108 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,806 providers of this specialty with any payment received $5,159.88 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 one group practice
- Chinatown True Care Medical PLLCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Antonios Ashkar among 1,230 pulmonary disease physician records in New York
John Antonios Ashkar, M.D. is one of 1,230 pulmonary disease physician records with a practice address in New York. 87% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 47% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1996 · median 1999 among the 943 with a school on file
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in New York
There are 1,230 pulmonary disease physician records in New York.
All 1,230 in New York → Every provider in Brooklyn → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Mohammad Al-Ajam, MDBrooklyn, NY 112091487764924
- Andrew Garrow, M.D.Brooklyn, NY 112091952368714
- Eugene Gibilaro, M.D.Brooklyn, NY 112091043267610
- Chitoor Govindaraj, MDBrooklyn, NY 112091265560072
- Shawn Knapik, MDBrooklyn, NY 112091245305267
- Gerard Lombardo, MDBrooklyn, NY 112091245281286
- Vanthanh Ly, M.D.Brooklyn, NY 112091952368177
- Valeriy Matatov, M.D.Brooklyn, NY 112091699722736
Common questions
What is John Antonios Ashkar, M.D.'s NPI number?
John Antonios Ashkar, M.D.'s National Provider Identifier (NPI) is 1073568184, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Antonios Ashkar, M.D. located?
The NPPES record lists a practice address at 355 Ovington Avenue, Brooklyn, NY, 11209. Phone: (718) 621-7100. Providers update this record themselves, so call before visiting.
How can I verify John Antonios Ashkar, M.D.'s license?
NPPES lists New York license number 225157, 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 John Antonios Ashkar, M.D. prescribe under Medicare Part D?
In 2024, John Antonios Ashkar, M.D. had 8,973 Medicare Part D claims for 621 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.