Mariles Viloria-Grageda, M.D.
Psychiatry Physician · Washington, DC
Mariles Viloria-Grageda, M.D. is a psychiatry physician with a practice address in Washington, District of Columbia, and NPI 1255371738, issued on Jun 6, 2006. Check the license (District of Columbia MD600003129, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mariles Viloria-Grageda
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- MD600003129 DC
0101265233 VA
D0057571 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1730 Rhode Island Ave NW Ste 502, Washington, DC 20036
- Phone
- (202) 902-7324
- Enumerated
- Jun 6, 2006
- Record last updated
- Nov 5, 2024
- Fax
- (848) 213-0063
- Medicaid ID
- 808400900 MD
- Medicare enrollment
- Enrolled (PECOS I20190128003065); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 474 in District of Columbia → Look up another NPI →
Also registered at 1730 Rhode Island Ave NW Ste 502
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janice Garcia Guzman, MD, MPHPsychiatry Physician1376187351
- Joy Martini, LICSWClinical Social Worker1093244089
Verify Mariles Viloria-Grageda in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD600003129Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average psychiatry physician in 2024
13 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Inova Health Care ServicesFairfax, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariles Viloria-Grageda among 474 psychiatry physician records in District of Columbia
Mariles Viloria-Grageda, M.D. is one of 474 psychiatry physician records with a practice address in District of Columbia. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 75% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated1978 · median 2005 among the 124 with a school on file
- Record last updated2024 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X 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).
467 psychiatry physician records list a practice address in Washington
They are 467 of the 45,857 NPPES records with a practice address in Washington, and 474 psychiatry physician records in District of Columbia.
All 474 in District of Columbia → Every provider in Washington → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Louis Beckman, M.D.Washington, DC 200361972802106
- John Beyer, MDWashington, DC 200361831392315
- Lisa Catapano, M.D.Washington, DC 200361184872301
- Brian Doyle, MDWashington, DC 200361356443840
- Deborah Feldheim, M.D.Washington, DC 200361861530081
- Bruce Hill, M.D.Washington, DC 200361285745166
- Catherine May, M.D.Washington, DC 200361851454565
- Jerrold O'Rourke, M.D.Washington, DC 200361003812892
Common questions
What is Mariles Viloria-Grageda, M.D.'s NPI number?
Mariles Viloria-Grageda, M.D.'s National Provider Identifier (NPI) is 1255371738, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mariles Viloria-Grageda, M.D. located?
The NPPES record lists a practice address at 1730 Rhode Island Ave NW Ste 502, Washington, DC, 20036. Phone: (202) 902-7324. Providers update this record themselves, so call before visiting.
How can I verify Mariles Viloria-Grageda, M.D.'s license?
NPPES lists District of Columbia license number MD600003129, 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 Mariles Viloria-Grageda, M.D. prescribe under Medicare Part D?
In 2024, Mariles Viloria-Grageda, M.D. had 13 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Mariles Viloria-Grageda, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.