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Mary Grace Tanguilan, M.D.

NPI 1164853560ActiveIndividual· Internal Medicine· Abingdon, MD

Internal Medicine (M.D.) with Agape Physical Therapy and Sports Rehabilitation LP and 1 other group, practicing in Abingdon, Maryland. Their prescriptions cost Medicare Part D more than their services did: $891,507 for 10,361 claims, against $206,080 paid for services in 2024. Novo Nordisk Inc was the largest of 21 companies reporting payments in 2025, $1,474 in all, mostly food and beverage. Lists Umd Upper Chesapeake Medical Center as a hospital affiliation.

Overview

NPI1164853560
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedDec 10, 2013
Last updated in NPPESJan 22, 2015

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XD00077329MD

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (MD)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients710
Services billed4,482 across 50 procedure codes
Paid by Medicare$206,080

Part D prescriptions in 2024

Prescriptions (claims)10,361 · 25,407 30-day fills
Patients1,093
Total drug cost$891,507
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Graduation year2008
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,474 · 87 payments from 21 companies
  • 2024$1,466 · 84 payments from 15 companies

Top paying companies in 2025

CompanyAmountPayments
Novo Nordisk Inc$287.3922
Lilly USA, LLC$240.0417
Astellas Pharma US Inc$198.2310
Amgen Inc.$112.616
Exact Sciences Corporation$101.104

What the 2025 payments were for

  • Food and Beverage$1,474 · 87 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Internal Medicine providers in Abingdon

All Internal Medicine providers in Maryland →