NPPES file of Aug 9, 2026

Margaret Christine Formoso, FNP-C

Family Nurse Practitioner · Washington, DC

Margaret Christine Formoso, FNP-C is a family nurse practitioner with a practice address in Washington, District of Columbia, and NPI 1548940422, issued on Jul 24, 2023. Check the license (District of Columbia NP1050422, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548940422
Name
Margaret Christine Formoso
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
NP1050422 DC
Self-reported in NPPES; status is on the state search
Practice location
2021 K St NW Ste 600, Washington, DC 20006
Phone
(202) 350-0721
Enumerated
Jul 24, 2023
Record last updated
Feb 20, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2021 K St NW Ste 600

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Julie HurstPhysician Assistant1225693302
  2. Gina Kim-Ahn, M.D.Diagnostic Radiology Physician1245217835
  3. Catharina Ly, PAPhysician Assistant1396337192
  4. Laura Reifsteck, PACMedical Physician Assistant1336179423
  5. Sarah Stull, PAPhysician Assistant1982319943
  6. Lukas Williams, PA-CMedical Physician Assistant1265065619

Verify Margaret Christine Formoso in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
    Search for license NP1050422
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the District of Columbia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

70% fewer Medicare Part D claims than the average family nurse practitioner in 2024

398 Medicare Part D claims for 139 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Margaret Formoso398
  2. Specialty average1,305

Most prescribed

  1. Rosuvastatin Calcium39 claims
  2. Amlodipine Besylate30 claims
  3. Ramipril20 claims
  4. Zolpidem Tartrate18 claims
  5. Levothyroxine Sodium17 claims
  6. Metoprolol Succinate17 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: $276.27

10 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Margaret Formoso$276.27
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Margaret Christine Formoso among 682 family nurse practitioner records in District of Columbia

Margaret Christine Formoso, FNP-C is one of 682 family nurse practitioner records with a practice address in District of Columbia. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 85% of them.

  • NPI issued2023 · 85% of these records are older, 10% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 46% of these records are
  • Record last updated2024 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X 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).

675 family nurse practitioner records list a practice address in Washington

They are 675 of the 45,857 NPPES records with a practice address in Washington, and 682 family nurse practitioner records in District of Columbia.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Ream Akkeh, NPWashington, DC 200061699277012
  2. Maimunatu Bangura, RN, FNPWashington, DC 200061750896940
  3. Erin Barbacow, FNP-CWashington, DC 200061760923759
  4. Rishika Budhrani, FAMILY NPWashington, DC 200061831447143
  5. Lorraine Drew, DNP, FNP-BCWashington, DC 200061235568254
  6. Harley GouldWashington, DC 200061619673662
  7. Sook HyunWashington, DC 200061225725146
  8. Stephanie Lattimore, NPWashington, DC 200061801597695

Common questions

What is Margaret Christine Formoso, FNP-C's NPI number?

Margaret Christine Formoso, FNP-C's National Provider Identifier (NPI) is 1548940422, issued on Jul 24, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Christine Formoso, FNP-C located?

The NPPES record lists a practice address at 2021 K St NW Ste 600, Washington, DC, 20006. Phone: (202) 350-0721. Providers update this record themselves, so call before visiting.

How can I verify Margaret Christine Formoso, FNP-C's license?

NPPES lists District of Columbia license number NP1050422, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.

How much does Margaret Christine Formoso, FNP-C prescribe under Medicare Part D?

In 2024, Margaret Christine Formoso, FNP-C had 398 Medicare Part D claims for 139 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.