Jeffrey Nathan Cowen, M.D.
Cardiovascular Disease Physician · Frederick, MD
Jeffrey Nathan Cowen, M.D. is a cardiovascular disease physician with a practice address in Frederick, Maryland, and NPI 1043215825, issued on Jun 17, 2005. Check the license (Maryland D30721, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Nathan Cowen
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- D30721 MD
Self-reported in NPPES; status is on the state search - Practice location
- 915 Toll House Ave, Frederick, MD 21701
- Phone
- (301) 663-5790
- Enumerated
- Jun 17, 2005
- Record last updated
- May 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (301) 698-6259
- Medicaid ID
- 352891000 MD
- Entity
- Type 1 · individual
Also registered at 915 Toll House Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adobea Asiam, CRNPFamily Nurse Practitioner1659724623
- John Stroh, DPMPodiatrist1306839113
Verify Jeffrey Nathan Cowen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D30721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
33 Medicare Part D claims for 12 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
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.
Cardiovascular Disease Physician providers in Maryland
There are 613 cardiovascular disease physician records in Maryland.
Other cardiovascular disease physician records in Maryland
- Seyed Hossein Aalaei-Andabili, M.DBaltimore, MD1215469515
- Leith Abdulla, M.D.Olney, MD1861606782
- Tsion Aberra, M.D.Chevy Chase, MD1255863825
- Rasaq Abu, M.D.Berwyn Heights, MD1578663019
- Ahmed Abu Haniyeh, M.DSalisbury, MD1942753389
- Mohammed Abuzahra, MDBaltimore, MD1053366013
- Stephen Achuff, M.D.Baltimore, MD1326001033
- Srinivas Addala, M.D.Clinton, MD1447241872
- Ramesh Agarwal, MDSalisbury, MD1104926021
- Rafique Ahmed, MDBaltimore, MD1457354854
Common questions
What is Jeffrey Nathan Cowen, M.D.'s NPI number?
Jeffrey Nathan Cowen, M.D.'s National Provider Identifier (NPI) is 1043215825, issued on Jun 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Nathan Cowen, M.D. located?
The NPPES record lists a practice address at 915 Toll House Ave, Frederick, MD, 21701. Phone: (301) 663-5790. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Nathan Cowen, M.D.'s license?
NPPES lists Maryland license number D30721, 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 Jeffrey Nathan Cowen, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey Nathan Cowen, M.D. had 33 Medicare Part D claims for 12 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.