Raymond Janowski
Gastroenterology Physician · Washington, DC
Raymond Janowski is a gastroenterology physician with a practice address in Washington, District of Columbia, and NPI 1477972131, issued on Apr 10, 2014. Check the license (District of Columbia MD048502, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Raymond Janowski
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- MD048502 DC
MT206317 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2150 Pennsylvania Ave NW, Washington, DC 20037
- Phone
- (202) 741-2160
- Enumerated
- Apr 10, 2014
- Record last updated
- Dec 23, 2022
- Fax
- (202) 741-2169
- Medicare enrollment
- Enrolled (PECOS I20200731001859); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 89 in District of Columbia → Look up another NPI →
Also registered at 2150 Pennsylvania Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmad AalamStudent in an Organized Health Care Education/Training Program1851786909
- Nawaf Abaalkhail, MDCritical Care Medicine (Internal Medicine) Physician1104246958
- Theophilus Abah, MDAnesthesiology Physician1245810696
- Yoosif Abdalla, MDNephrology Physician1679851760
- Rim Abdallah, M.D.Student in an Organized Health Care Education/Training Program1962896886
- Rami AbdulbakiAnatomic Pathology & Clinical Pathology Physician1851950109
Verify Raymond Janowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD048502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average gastroenterology physician in 2024
159 Medicare Part D claims for 72 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Pantoprazole Sodium55 claims
- Omeprazole24 claims
- Sod Sulf-Potass Sulf-Mag Sulf16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $326.87
4 payments; by number, the most common kind was food and beverage; the largest payer was Pentax of America, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Medical Faculty Associates, IncWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Raymond Janowski among 89 gastroenterology physician records in District of Columbia
Raymond Janowski is one of 89 gastroenterology physician records with a practice address in District of Columbia. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 83% of them.
- NPI issued2014 · 83% of these records are older, 13% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2014 · median 2004 among the 57 with a school on file
- Record last updated2022 · 69% 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 District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in District of Columbia
There are 89 gastroenterology physician records in District of Columbia.
All 89 in District of Columbia → Every provider in Washington → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Bedoor AlabbasWashington, DC 200371952751182
- Philip Assatourians, M.D.Washington, DC 200371104912617
- Sumona BhattacharyaWashington, DC 200371598210973
- Paul Chang, MDWashington, DC 200371265492409
- Hemanth Gavini, MDWashington, DC 200371073522504
- Abdalla KhouqeerWashington, DC 200371225535412
- Antoinette Saddler, MDWashington, DC 200371437105533
- Samuel Schueler, M.D.Washington, DC 200371922441583
Common questions
What is Raymond Janowski's NPI number?
Raymond Janowski's National Provider Identifier (NPI) is 1477972131, issued on Apr 10, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Raymond Janowski located?
The NPPES record lists a practice address at 2150 Pennsylvania Ave NW, Washington, DC, 20037. Phone: (202) 741-2160. Providers update this record themselves, so call before visiting.
How can I verify Raymond Janowski's license?
NPPES lists District of Columbia license number MD048502, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Raymond Janowski prescribe under Medicare Part D?
In 2024, Raymond Janowski had 159 Medicare Part D claims for 72 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.