RAYMOND JANOWSKI
NPI 1477972131
Internal Medicine - Gastroenterology in Washington, DC
About Raymond Janowski NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAYMOND JANOWSKI (NPI 1477972131) is an individual gastroenterology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD048502) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Drexel University College Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
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
Raymond Janowski 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
4Medicare enrollment records show Raymond Janowski reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 clinicians in this Medicare group
Washington, DC 20036
- 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
Washington, DC 20032
- Reassigned Medicare billing, District of Columbia enrollment
- 158 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 18
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 20037 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
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 Raymond Janowski's NPI number?
The NPI number for Raymond Janowski is 1477972131. It was assigned to this individual provider in the NPPES registry on April 10, 2014.
Where is Raymond Janowski located?
Raymond Janowski practices at 2150 Pennsylvania Ave NW, Washington, DC 20037. The listed phone number is (202) 741-2160.
What is Raymond Janowski's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Raymond Janowski enrolled in Medicare?
Yes. Raymond Janowski 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 Raymond Janowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Raymond Janowski reassigns Medicare benefits to 4 organizations: Medical Faculty Associates, Inc (Washington, DC), Medstar Medical Group II LLC (Washington, DC), Mgmc LLC (Washington, DC) and Foggy Bottom Physician Group Inc. (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 Raymond Janowski'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 Raymond Janowski was last updated on December 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Raymond Janowski · NPI 1477972131
Gastroenterology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 10, 2014.
## Identity
- **NPI:** 1477972131 (Entity type: Individual)
- **Enumerated:** April 10, 2014
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** MD048502 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 2150 PENNSYLVANIA AVE NW, Washington, DC 20037-3201
- **Phone:** (202) 741-2160 · **Fax:** (202) 741-2169
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC); Medstar Medical Group II LLC (NPI 1376887844, Washington, DC); Mgmc LLC (NPI 1316949654, Washington, DC); Foggy Bottom Physician Group Inc. (NPI 1831089846, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Drexel University College Of Medicine, class of 2014
## Record status
- **NPPES last updated:** December 23, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1477972131) · Data from the CMS NPPES public registry.