John Hamilton, MD
Anesthesiology Physician · Berlin, MD
John Hamilton, MD is an anesthesiology physician with a practice address in Berlin, Maryland, and NPI 1992961312, issued on Aug 5, 2008. Check the license (Maryland D75194, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John Hamilton
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- D75194 MD
Self-reported in NPPES; status is on the state search - Practice location
- 14 Meadow St, Berlin, MD 21811
- Phone
- (301) 922-6772
- Enumerated
- Aug 5, 2008
- Record last updated
- Oct 9, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180221000412); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2012
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,253 in Maryland → Look up another NPI →
Verify John Hamilton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D75194Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $59.21
3 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 17,774 providers of this specialty with any payment received $669.59 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
- Anesthesia Company LLCPrince Frederick, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Hamilton among 1,253 anesthesiology physician records in Maryland
John Hamilton, MD is one of 1,253 anesthesiology physician records with a practice address in Maryland. 72% 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 61% of them.
- NPI issued2008 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2012 · median 2005 among the 813 with a school on file
- Record last updated2018 · 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 207L00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 anesthesiology physician records list a practice address in Berlin
They are 5 of the 659 NPPES records with a practice address in Berlin, and 1,253 anesthesiology physician records in Maryland.
All 1,253 in Maryland → Every provider in Berlin → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Stephen Chin, D.O.Berlin, MD 218111700179413
- Jeffrey Fernley, D.O.Berlin, MD 218111578559563
- Scott Knowlton, DOBerlin, MD 218111043417314
- Michael Stivelman, M.D.Berlin, MD 218111659352102
- Conworth Dayton-Jones, M.D.Salisbury, MD 218041184605461
- David Schalk, M.D.Salisbury, MD 218041013973718
- Aaron Ates, MDSalisbury, MD 218011548208630
- Letitia Banks, DOSalisbury, MD 218011861709248
Common questions
What is John Hamilton, MD's NPI number?
John Hamilton, MD's National Provider Identifier (NPI) is 1992961312, issued on Aug 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Hamilton, MD located?
The NPPES record lists a practice address at 14 Meadow St, Berlin, MD, 21811. Phone: (301) 922-6772. Providers update this record themselves, so call before visiting.
How can I verify John Hamilton, MD's license?
NPPES lists Maryland license number D75194, 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.
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.