Michael Gale Eyer, D.O.
Family Medicine Physician · Hampstead, MD
Michael Gale 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 (Maryland H43987, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Michael Gale Eyer
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- H43987 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4231 N Woods Trl Ste 100, Hampstead, MD 21074
- Phone
- (410) 374-0675
- Enumerated
- Sep 11, 2008
- Record last updated
- Sep 24, 2025
- Fax
- (410) 871-7967
- Medicare enrollment
- Enrolled (PECOS I20090403000346); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
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, CRNPAdult Health Nurse Practitioner1336543289
- Thrisann Chaplin, CRNPFamily Nurse Practitioner1578074571
- Trudi-Ann Ferguson, CRNPFamily Nurse Practitioner1992432850
- Sarah Frattali, MDInternal Medicine Physician1649344409
Verify Michael Gale Eyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license H43987Check 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 3,544 among the 117,163 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; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 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
- Carroll Health Group LLCHampstead, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Gale Eyer among 1,912 family medicine physician records in Maryland
Michael Gale Eyer, D.O. 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 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1978 · median 2004 among the 1,141 with a school on file
- Record last updated2025 · 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).
5 family medicine physician records list a practice address in Hampstead
They are 5 of the 127 NPPES records with a practice address in Hampstead, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Hampstead → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Barbara Ball, PA CHampstead, MD 210741538233390
- Linda Olding, MDHampstead, MD 210741689748444
- Domingo Rocha, MDHampstead, MD 210741760490023
- Peter Uggowitzer, MDHampstead, MD 210741255333274
- Rubina Alvi, M.D.Elkridge, MD 210751457537268
- Walter Chi, MDElkridge, MD 210751326154212
- Gloria Golle, MDElleridee, MD 210751982660114
- Lisa Keithley, MDElkridge, MD 210751760459887
Common questions
What is Michael Gale Eyer, D.O.'s NPI number?
Michael Gale 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 Gale 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 Gale Eyer, D.O.'s license?
NPPES lists Maryland license number H43987, 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 Michael Gale Eyer, D.O. prescribe under Medicare Part D?
In 2024, Michael Gale Eyer, D.O. had 4,275 Medicare Part D claims for 292 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.