Peter Ritka, MD
Gastroenterology Physician · Largo, MD
Peter Ritka, MD is a gastroenterology physician with a practice address in Largo, Maryland, and NPI 1720156730, issued on Nov 30, 2006. Check the license (Maryland D0037662, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Peter Ritka
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- D0037662 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Mercantile Lane, Largo, MD 20774
- Phone
- (301) 618-5578
- Enumerated
- Nov 30, 2006
- Record last updated
- Nov 4, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (301) 618-5673
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 505 in Maryland → Look up another NPI →
Also registered at 1221 Mercantile Lane
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Peter Ritka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0037662Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Peter Ritka among 505 gastroenterology physician records in Maryland
Peter Ritka, MD is one of 505 gastroenterology physician records with a practice address in Maryland. 81% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 46% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Maryland
There are 505 gastroenterology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 505 in Maryland → Every provider in Largo → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Folabomi Ajanaku, M.D.Upper Marlboro, MD 207741851719777
- Jemilat Badamas, M.DLargo, MD 207741427292093
- John Bedeau, M.D.Largo, MD 207741487646154
- Zone-En Lee, MDLargo, MD 207741437316593
- Alexis McCary, M.D.Upper Marlboro, MD 207741205012309
- Suzan Ebrahimi, MDGreenbelt, MD 207701194083899
- Acquanetta Frazier, M.D.Greenbelt, MD 207701043380140
- Raja Mohi-Ud-Din, M.D.Greenbelt, MD 207701992887335
Common questions
What is Peter Ritka, MD's NPI number?
Peter Ritka, MD's National Provider Identifier (NPI) is 1720156730, issued on Nov 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Ritka, MD located?
The NPPES record lists a practice address at 1221 Mercantile Lane, Largo, MD, 20774. Phone: (301) 618-5578. Providers update this record themselves, so call before visiting.
How can I verify Peter Ritka, MD's license?
NPPES lists Maryland license number D0037662, 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.