Robert J. Patterson, M.D.
Internal Medicine Physician · St Michaels, MD
Robert J. Patterson, M.D. is an internal medicine physician with a practice address in St Michaels, Maryland, and NPI 1033201355, issued on Sep 28, 2006. Check the license (Maryland D0057908, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert J. Patterson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0057908 MD
Self-reported in NPPES; status is on the state search - Practice location
- 800 S Talbot St, St Michaels, MD 21663
- Phone
- (410) 745-0450
- Enumerated
- Sep 28, 2006
- Record last updated
- Nov 24, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (410) 745-0452
- Medicaid ID
- 199621300 MD
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Verify Robert J. Patterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0057908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert J. Patterson among 3,904 internal medicine physician records in Maryland
Robert J. Patterson, 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 updated2009 · 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).
1 internal medicine physician record lists a practice address in St Michaels
They are 1 of the 26 NPPES records with a practice address in St Michaels, 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 St Michaels → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Daniel Konick, M.D.Queenstown, MD 216581336140748
- Leon Sheer, M.D.Wittman, MD 216761689649642
- Eric Hermansen, MDGoldsboro, MD 216361154412450
- Paul Reinbold, M.D.Federalsburg, MD 216321255431441
- Korah Pulimood, MDDenton, MD 216291568598639
- Medha Satyarengga, M.D.Denton, MD 216291538574314
- Sajjad Aziz, MDFrederick, MD 217011457336554
- Michael Flessner, MDFrederick, MD 217011669401857
Common questions
What is Robert J. Patterson, M.D.'s NPI number?
Robert J. Patterson, M.D.'s National Provider Identifier (NPI) is 1033201355, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert J. Patterson, M.D. located?
The NPPES record lists a practice address at 800 S Talbot St, St Michaels, MD, 21663. Phone: (410) 745-0450. Providers update this record themselves, so call before visiting.
How can I verify Robert J. Patterson, M.D.'s license?
NPPES lists Maryland license number D0057908, 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.