Mariastella Serrano, MD
Pediatric Gastroenterology Physician · Washington, DC
Mariastella Serrano, MD is a pediatric gastroenterology physician with a practice address in Washington, District of Columbia, and NPI 1922080126, issued on Nov 15, 2005. Check the license (District of Columbia MD045865, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mariastella Serrano
- Credential
- MD
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License number
- MD045865 DC
Self-reported in NPPES; status is on the state search - Practice location
- 4200 Wisconsin Ave NW Ste 400, Washington, DC 20016
- Phone
- (202) 243-3558
- Enumerated
- Nov 15, 2005
- Record last updated
- Aug 31, 2023
- Fax
- (877) 680-5504
- Medicaid IDs
- 0435776 IA
1113905 LA
08172388 MS - Medicare enrollment
- Enrolled (PECOS I20180312000091); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 28 in District of Columbia → Look up another NPI →
Also registered at 4200 Wisconsin Ave NW Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Meaghan Kelly, MDNeurology with Special Qualifications in Child Neurology Physician1407275662
Verify Mariastella Serrano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD045865Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $163.78
3 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 1,184 providers of this specialty with any payment received $2,585.05 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 3 group practices
- Medstar Medical Group II LLCWashington, DC
- Mgmc LLCWashington, DC
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariastella Serrano among 28 pediatric gastroenterology physician records in District of Columbia
Mariastella Serrano, MD is one of 28 pediatric gastroenterology physician records with a practice address in District of Columbia. 54% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 54% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Record last updated2023 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X 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).
Pediatric Gastroenterology Physician providers in District of Columbia
There are 28 pediatric gastroenterology physician records in District of Columbia.
All 28 in District of Columbia → Every provider in Washington → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Suruchi BatraWashington, DC 200161174938146
- Dahye Hong, M.D.Washington, DC 200161811214844
- Ruby Mehta, MDWashington, DC 200161497933832
- Vahe Badalyan, MDWashington, DC 200101902073273
- Ali Bader, MDWashington, DC 200101427123538
- Geetanjali Bora, M.DWashington, DC 200101376995720
- Laurie Conklin, M.D.Washington, DC 200101811034911
- Alexandra GervaisWashington, DC 200101376150599
Common questions
What is Mariastella Serrano, MD's NPI number?
Mariastella Serrano, MD's National Provider Identifier (NPI) is 1922080126, issued on Nov 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mariastella Serrano, MD located?
The NPPES record lists a practice address at 4200 Wisconsin Ave NW Ste 400, Washington, DC, 20016. Phone: (202) 243-3558. Providers update this record themselves, so call before visiting.
How can I verify Mariastella Serrano, MD's license?
NPPES lists District of Columbia license number MD045865, 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.
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.