Maria Ruiz, MD
Infectious Disease Physician · Washington, DC
Maria Ruiz, MD is an infectious disease physician with a practice address in Washington, District of Columbia, and NPI 1811947260, issued on May 10, 2006. Check the license (District of Columbia MD31414, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Maria Ruiz
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- MD31414 DC
Self-reported in NPPES; status is on the state search - Practice location
- 2150 Pennsylvania Ave NW, Washington, DC 20037
- Phone
- (202) 741-2234
- Enumerated
- May 10, 2006
- Entity
- Type 1 · individual
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, MDInternal Medicine Physician1104246958
- Theophilus Abah, MDAnesthesiology Physician1245810696
- Yoosif Abdalla, MDCritical Care Medicine (Internal Medicine) Physician1679851760
- Rim Abdallah, M.D.Student in an Organized Health Care Education/Training Program1962896886
- Rami AbdulbakiStudent in an Organized Health Care Education/Training Program1851950109
Verify Maria Ruiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD31414Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
76% fewer Medicare Part D claims than the average infectious disease physician in 2024
193 Medicare Part D claims for 41 beneficiaries, against an average of 807 among the 5,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Biktarvy38 claims
- Doxycycline Hyclate19 claims
- Cephalexin14 claims
- Amoxicillin11 claims
- Azithromycin11 claims
- Juluca11 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: $193.05
4 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 3,057 providers of this specialty with any payment received $4,644.86 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.
One hospital or facility affiliation
- Medical Faculty Associates, IncWashington, DC
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Infectious Disease Physician providers in District of Columbia
There are 102 infectious disease physician records in District of Columbia.
All 102 in District of Columbia → Every provider in Washington →
Other infectious disease physician records in District of Columbia
- Stephen Abbott, MDWashington, DC1437280450
- Danielle Adams, PA-CWashington, DC1649993270
- Ziad Akl, M.D.Washington, DC1053324301
- Hana Akselrod, MD, MPHWashington, DC1295171353
- Mary Alder, RN , BSN, NP, DNSCWashington, DC1548450463
- Sarah Ali, MDWashington, DC1083848766
- Sarah Alsamarai, MDWashington, DC1902254287
- Gabrielle Aquino, MDWashington, DC1548848575
- Naomi Aronson, M.D.Washington, DC1487680591
- Gayle Balba, M.D.Washington, DC1073570354
Common questions
What is Maria Ruiz, MD's NPI number?
Maria Ruiz, MD's National Provider Identifier (NPI) is 1811947260, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Ruiz, MD located?
The NPPES record lists a practice address at 2150 Pennsylvania Ave NW, Washington, DC, 20037. Phone: (202) 741-2234. Providers update this record themselves, so call before visiting.
How can I verify Maria Ruiz, MD's license?
NPPES lists District of Columbia license number MD31414, 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 Maria Ruiz, MD prescribe under Medicare Part D?
In 2024, Maria Ruiz, MD had 193 Medicare Part D claims for 41 beneficiaries; the average among infectious disease physician prescribers was 807. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.