DR. STANLEY JAMES PIETRAK III M.D.
NPI 1861758534
Internal Medicine - Gastroenterology in Washington, DC
About Dr. Stanley James Pietrak Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STANLEY JAMES PIETRAK III M.D. (NPI 1861758534) is an individual gastroenterology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD046391) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Philadelphia, and is a graduate of Albany Medical College Of Union University (2012).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Stanley James Pietrak Iii M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Stanley Pietrak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 861 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 16
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stanley Pietrak's NPI number?
The NPI number for Stanley Pietrak is 1861758534. It was assigned to this individual provider in the NPPES registry on April 7, 2012.
Where is Stanley Pietrak located?
Stanley Pietrak practices at 3800 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-8541.
What is Stanley Pietrak's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Stanley Pietrak enrolled in Medicare?
Yes. Stanley Pietrak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Stanley Pietrak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stanley Pietrak reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Mgmc LLC (Washington, DC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stanley Pietrak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Stanley Pietrak was last updated on August 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Stanley James Pietrak III, M.D. · NPI 1861758534
Gastroenterology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 7, 2012.
## Identity
- **NPI:** 1861758534 (Entity type: Individual)
- **Enumerated:** April 7, 2012
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** MD046391 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3800 RESERVOIR RD NW, Washington, DC 20007-2113
- **Phone:** (202) 444-8541 · **Fax:** (877) 303-1462
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Mgmc LLC (NPI 1316949654, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 2012
## Record status
- **NPPES last updated:** August 30, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1861758534) · Data from the CMS NPPES public registry.