Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Martin F Gavin, D.O.
Nephrology Physician in Elkton, MD · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609862150
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Registry record
Entity type Individual (Type 1)
Name Martin F Gavin
Credential D.O.
Sex Male
Practice address 137 W High St, Suite 1a, Elkton, MD, 21921
Phone (410) 620-9200
Fax (410) 620-9207
Enumeration date Sep 21, 2005
Last updated in NPPES Jun 22, 2021
Taxonomy & licenses
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License H0037636 (MD) Secondary
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License C2-0002985 (DE) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD.
About the DO credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 8818100 | Medicaid | NJ | - |
| 52681600 | Medicaid | MD | - |
| 0000087903 | Medicaid | DE | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Martin Gavin?
The National Provider Identifier (NPI) for Martin Gavin is 1609862150, a Type 1 (individual) record in the CMS NPPES registry.
Where does Martin Gavin practice?
The practice location on file with NPPES is in Elkton, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Helen Chang-Deguzman Nephrology Physician · Elkton, MD NPI 1710989926 Aprile Harris Nurse Practitioner · Elkton, MD NPI 1831133701 Stephanie Bedard Physical Therapist · Elkton, MD NPI 1154432268 Roger Wu Gastroenterology Physician · Elkton, MD NPI 1801088596 Collette Mehring Nephrology Physician · Elkton, MD NPI 1326232208 Usman Moghal Neurology Physician · Elkton, MD NPI 1417269754 Kristine Henry Nutritionist · Elkton, MD NPI 1649565482 Jennifer Speir Nutritionist · Elkton, MD NPI 1447545280
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-22.