Maria C. Castillo-Catoni, MD
Internal Medicine Physician · Washington, DC
Maria C. Castillo-Catoni, MD is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1386804136, issued on Jun 16, 2008. Check the license on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Maria C. Castillo-Catoni
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101249595 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2311 M St NW Ste 301, Washington, DC 20037
- Phone
- (202) 861-0111
- Enumerated
- Jun 16, 2008
- Record last updated
- Mar 7, 2025
- Fax
- (703) 379-3965
- Medicare enrollment
- Enrolled (PECOS I20130204000056); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Also registered at 2311 M St NW Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hanisha Patel, NDNaturopath1528522893
Verify Maria C. Castillo-Catoni in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
578 Medicare Part D claims for 70 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium77 claims
- Rosuvastatin Calcium43 claims
- Olmesartan Medoxomil24 claims
- Donepezil Hcl22 claims
- Levothyroxine Sodium22 claims
- Ezetimibe17 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: $204.23
9 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Northern Virginia Family Practice AssociatesWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria C. Castillo-Catoni among 901 internal medicine physician records in District of Columbia
Maria C. Castillo-Catoni, MD is one of 901 internal medicine physician records with a practice address in District of Columbia. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 45% of them.
- NPI issued2008 · 45% of these records are older, 46% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2008 · median 2008 among the 513 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X 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).
891 internal medicine physician records list a practice address in Washington
They are 891 of the 45,857 NPPES records with a practice address in Washington, and 901 internal medicine physician records in District of Columbia.
All 901 in District of Columbia → Every provider in Washington → Internal Medicine Physician nationwide →
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Common questions
What is Maria C. Castillo-Catoni, MD's NPI number?
Maria C. Castillo-Catoni, MD's National Provider Identifier (NPI) is 1386804136, issued on Jun 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Maria C. Castillo-Catoni, MD located?
The NPPES record lists a practice address at 2311 M St NW Ste 301, Washington, DC, 20037. Phone: (202) 861-0111. Providers update this record themselves, so call before visiting.
How can I verify Maria C. Castillo-Catoni, MD's license?
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 C. Castillo-Catoni, MD prescribe under Medicare Part D?
In 2024, Maria C. Castillo-Catoni, MD had 578 Medicare Part D claims for 70 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.