NPPES file of Aug 9, 2026

Abigail Arrigo, DO

Internal Medicine Physician · Pittsburgh, PA

Abigail Arrigo, DO is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1316688559, issued on Apr 3, 2022. Check the license (Pennsylvania OS025207, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1316688559
Name
Abigail Arrigo
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
OS025207 PA
OT021713 PA
Self-reported in NPPES; status is on the state search
Practice location
320 E North Ave FL 1, Pittsburgh, PA 15212
Phone
(412) 325-5700
Enumerated
Apr 3, 2022
Record last updated
Jun 30, 2026
Fax
(412) 442-2570
Medicare enrollment
Enrolled (PECOS I20251124000272); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 320 E North Ave FL 1

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

  1. Daniel Davies, MDCardiovascular Disease Physician1316471220
  2. Caitlin FulkersonGerontology Nurse Practitioner1871131367
  3. Cosette Gourlias, PA-CMedical Physician Assistant1396418786
  4. Kelly Gramling, CRNPFamily Nurse Practitioner1235961632
  5. Margaret GrimmMedical Physician Assistant1932737517
  6. Mahathi Indaram, MDCardiovascular Disease Physician1841687373

Verify Abigail Arrigo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license OS025207
    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
Open the Pennsylvania license search

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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

189 Medicare Part D claims for 58 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Abigail Arrigo189
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium11 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.

Bills Medicare through one group practice

  1. Allegheny ClinicPittsburgh, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Abigail Arrigo among 7,300 internal medicine physician records in Pennsylvania

Abigail Arrigo, DO is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 85% of them.

  • NPI issued2022 · 85% of these records are older, 11% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2022 · median 2008 among the 4,208 with a school on file
  • Record last updated2026 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

750 internal medicine physician records list a practice address in Pittsburgh

They are 750 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Paul Carson, M.D.Pittsburgh, PA 152121679578603
  2. Elizabeth Cuevas, MDPittsburgh, PA 152121861482507
  3. Sonia Dhawan, MDPittsburgh, PA 152121639169352
  4. Andrew HallPittsburgh, PA 152121275538381
  5. Marc Itskowitz, MDPittsburgh, PA 152121922009901
  6. Sharon Kiely, MDPittsburgh, PA 152121639170616
  7. Christine Mackey, MDPittsburgh, PA 152121427059054
  8. Patrick Perri, MDPittsburgh, PA 152121427048164

Common questions

What is Abigail Arrigo, DO's NPI number?

Abigail Arrigo, DO's National Provider Identifier (NPI) is 1316688559, issued on Apr 3, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Abigail Arrigo, DO located?

The NPPES record lists a practice address at 320 E North Ave FL 1, Pittsburgh, PA, 15212. Phone: (412) 325-5700. Providers update this record themselves, so call before visiting.

How can I verify Abigail Arrigo, DO's license?

NPPES lists Pennsylvania license number OS025207, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Abigail Arrigo, DO prescribe under Medicare Part D?

In 2024, Abigail Arrigo, DO had 189 Medicare Part D claims for 58 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.