Michael Eyer, D.O.
Family Medicine Physician · Hampstead, MD
Michael Eyer, D.O. is a family medicine physician with a practice address in Hampstead, Maryland, and NPI 1033368337, issued on Sep 11, 2008. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Michael Eyer
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- Practice location
- 4231 N Woods Trl Ste 100, Hampstead, MD 21074
- Phone
- (410) 374-0675
- Enumerated
- Sep 11, 2008
- Entity
- Type 1 · individual
Also registered at 4231 N Woods Trl Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katie Barritt, CRNPRegistered Nurse1336543289
- Thrisann Chaplin, CRNPRegistered Nurse1578074571
- Trudi-Ann Ferguson, CRNPFamily Nurse Practitioner1992432850
- Sarah Frattali, MDPediatrics Physician1649344409
Verify Michael Eyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
21% more Medicare Part D claims than the average family medicine physician in 2024
4,275 Medicare Part D claims for 292 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 119 claims were for opioids.
Most prescribed
- Atorvastatin Calcium333 claims
- Levothyroxine Sodium178 claims
- Rosuvastatin Calcium116 claims
- Amlodipine Besylate114 claims
- Lisinopril101 claims
- Tramadol Hcl93 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: $466.45
23 payments, mostly food and beverage; the largest payer was Lilly USA, LLC. The 53,013 providers of this specialty with any payment received $861.30 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.
One hospital or facility affiliation
- Carroll Health Group LLCHampstead, MD
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
5 family medicine physician records list a Hampstead practice address
They are 5 of the 127 NPPES records with a Hampstead practice address, and 1,882 family medicine physician records in Maryland.
All 5 in Hampstead → All 1,882 in Maryland → Every provider in Hampstead →
Other family medicine physician records in Maryland
- Amelia Abban, CRNP-BCLaurel, MD1023761970
- Peter Abbott, MDWillards, MD1982603759
- Hanan Aboumatar, MD, MPHBaltimore, MD1437526746
- Ndubuisi Achufusi, M.D.Greenbelt, MD1124057260
- Jose Acol, MDMount Airy, MD1801890306
- Phyllis Acquah, M.D.Silver Spring, MD1285996868
- Charles Adamo, M.D.Annapolis, MD1063437358
- Gillian Adams, M.D.Bel Air, MD1912086794
- Jerry Adams, M.D.Lavale, MD1710088265
- Ifeoluwa AdekanyeDundalk, MD1699419804
Common questions
What is Michael Eyer, D.O.'s NPI number?
Michael Eyer, D.O.'s National Provider Identifier (NPI) is 1033368337, issued on Sep 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael Eyer, D.O. located?
The NPPES record lists a practice address at 4231 N Woods Trl Ste 100, Hampstead, MD, 21074. Phone: (410) 374-0675. Providers update this record themselves, so call before visiting.
How can I verify Michael Eyer, D.O.'s license?
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 Michael Eyer, D.O. prescribe under Medicare Part D?
In 2024, Michael Eyer, D.O. had 4,275 Medicare Part D claims for 292 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.