Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Peter Ritka, MD

Individual provider Gastroenterology Physician · NPI 1720156730

Dr. Peter Ritka, MD is a Gastroenterology Physician in Largo, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1221 Mercantile Ln
Largo, MD 20774-5374
Phone: (301) 618-5578
Fax: (301) 618-5673
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence D0037662 (MD)

Record details

NPI number1720156730
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 30, 2006
Last updated in NPPESNovember 4, 2011
Mailing address2101 East Jefferson Street Ppqa Medicare Compliance Unt, Rockville, MD 20852-4908

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