Roger Clay Merrill, M.D.
Internal Medicine Physician · Salisbury, MD
Roger Clay Merrill, M.D. is an internal medicine physician with a practice address in Salisbury, Maryland, and NPI 1104806496, issued on Jan 20, 2006. Check the license (Maryland D21953, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Roger Clay Merrill
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D21953 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1346 S Division St, Salisbury, MD 21804
- Phone
- (410) 749-2599
- Enumerated
- Jan 20, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 1346 S Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Allen, M.D.Internal Medicine Physician1578533584
- Elliott Gray, DDSDentist1306910146
- Melody Pairo, C.R.N.P.Family Nurse Practitioner1528048824
- John Seidel, D.D.S.Oral and Maxillofacial Surgery (Dentist)1235114802
- Ara Stanton, DDSDentist1568543098
- Rodney Wenrich, M.D.Internal Medicine Physician1407836703
Verify Roger Clay Merrill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D21953Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Roger Clay Merrill among 3,904 internal medicine physician records in Maryland
Roger Clay Merrill, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileNo · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
83 internal medicine physician records list a practice address in Salisbury
They are 83 of the 2,292 NPPES records with a practice address in Salisbury, and 3,904 internal medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,904 in Maryland → Every provider in Salisbury → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Allen, M.D.Salisbury, MD 218041578533584
- Benito Chan, MDSalisbury, MD 218041306828488
- Babulal Das, MDSalisbury, MD 218041427055250
- Muhammad Ejaz, MDSalisbury, MD 218041336182179
- Jo Ann Fields, MDSalisbury, MD 218041386612844
- David Foley, MDSalisbury, MD 218041124017280
- Christjon Huddleston, MDSalisbury, MD 218041659317105
- Joy Madarang-Lewis, M.D.Salisbury, MD 218041316933179
Common questions
What is Roger Clay Merrill, M.D.'s NPI number?
Roger Clay Merrill, M.D.'s National Provider Identifier (NPI) is 1104806496, issued on Jan 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roger Clay Merrill, M.D. located?
The NPPES record lists a practice address at 1346 S Division St, Salisbury, MD, 21804. Phone: (410) 749-2599. Providers update this record themselves, so call before visiting.
How can I verify Roger Clay Merrill, M.D.'s license?
NPPES lists Maryland license number D21953, 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. 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.