Joseph Ashwal, M.D.
Family Medicine Physician · Frederick, MD
Joseph Ashwal, M.D. is a family medicine physician with a practice address in Frederick, Maryland, and NPI 1508840026, issued on Nov 30, 2005. Check the license (Maryland D0026609, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Joseph Ashwal
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D0026609 MD
Self-reported in NPPES; status is on the state search - Practice location
- 56 Thomas Johnson Dr, Frederick, MD 21702
- Phone
- (301) 694-3111
- Enumerated
- Nov 30, 2005
- Record last updated
- Aug 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (301) 694-8626
- Medicaid IDs
- 926580503 MD
926580505 MD
793391600 MD - Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 56 Thomas Johnson Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amber Estok, FNP-CFamily Nurse Practitioner1952085912
- Alexandra Fisher, NPFamily Nurse Practitioner1285306910
Verify Joseph Ashwal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0026609Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
57 Medicare Part D claims for 23 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium12 claims
- Metoprolol Succinate12 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.
Joseph Ashwal among 1,912 family medicine physician records in Maryland
Joseph Ashwal, M.D. is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2016 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
65 family medicine physician records list a practice address in Frederick
They are 65 of the 3,981 NPPES records with a practice address in Frederick, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Frederick → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Debra Bavari, M.D.Frederick, MD 217021184600876
- Barbara Brookmyer, M.D.Frederick, MD 217021548259203
- Eugene Casagrande, MDFrederick, MD 217021407826886
- Gerard Delgrippo, M.D.Frederick, MD 217021447233234
- Mary-Elizabeth Delmonte, MDFort Detrick, MD 217021952391377
- Edward Fisher, M.D.Frederick, MD 217021639153117
- Rebecca Herman-Smith, D.O.Frederick, MD 217021447241997
- Amy Jones, M.D.Frederick, MD 217021467436550
Common questions
What is Joseph Ashwal, M.D.'s NPI number?
Joseph Ashwal, M.D.'s National Provider Identifier (NPI) is 1508840026, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Ashwal, M.D. located?
The NPPES record lists a practice address at 56 Thomas Johnson Dr, Frederick, MD, 21702. Phone: (301) 694-3111. Providers update this record themselves, so call before visiting.
How can I verify Joseph Ashwal, M.D.'s license?
NPPES lists Maryland license number D0026609, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph Ashwal, M.D. prescribe under Medicare Part D?
In 2024, Joseph Ashwal, M.D. had 57 Medicare Part D claims for 23 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.