NPPES file of Aug 9, 2026

Stephen A. Arrigo, M.D.

Radiation Oncology Physician · King Of Prussia, PA

Stephen A. Arrigo, M.D. is a radiation oncology physician with a practice address in King Of Prussia, Pennsylvania, and NPI 1467496877, issued on Jun 15, 2006. Check the license (Pennsylvania MD033150E, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467496877
Name
Stephen A. Arrigo
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
MD033150E PA
Self-reported in NPPES; status is on the state search
Practice location
211 S Gulph RD Ste 200, King Of Prussia, PA 19406
Phone
(610) 382-5900
Enumerated
Jun 15, 2006
Record last updated
Jul 25, 2023
Medicaid ID
0011714790001 PA
Medicare enrollment
Enrolled (PECOS I20041028000090); accepts Medicare assignment
Medical or professional school
New York University School Of Medicine, 1983
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 211 S Gulph RD Ste 200

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

  1. Estella Graeffe, MDRadiation Oncology Physician1750332300
  2. Michael Nagar, M.D.Anatomic Pathology & Clinical Pathology Physician1588996847

Verify Stephen A. 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 MD033150E
    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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88% fewer Medicare Part D claims than the average radiation oncology physician in 2024

16 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Stephen Arrigo16
  2. Specialty average134

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 92.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%91.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Stephen A. Arrigo among 383 radiation oncology physician records in Pennsylvania

Stephen A. Arrigo, M.D. is one of 383 radiation oncology physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 51% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1983 · median 2004 among the 285 with a school on file
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Pennsylvania

There are 383 radiation oncology physician records in Pennsylvania.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Estella Graeffe, MDKing Of Prussia, PA 194061750332300
  2. Michael McKennaKing Of Prussia, PA 194061073556528
  3. Lawrence Scharf, MDKing Of Prussia, PA 194061174526214
  4. Leslie Tupchong, MDNorristown, PA 194011578531653
  5. Ann Borofski Siegal, MDWest Chester, PA 193801063410959
  6. Min Cheung, MDWest Chester, PA 193801811096597
  7. Casey Hollawell, MDWest Chester, PA 193801689258626
  8. Zachary Kiss, DOWest Chester, PA 193801902485311

Common questions

What is Stephen A. Arrigo, M.D.'s NPI number?

Stephen A. Arrigo, M.D.'s National Provider Identifier (NPI) is 1467496877, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen A. Arrigo, M.D. located?

The NPPES record lists a practice address at 211 S Gulph RD Ste 200, King Of Prussia, PA, 19406. Phone: (610) 382-5900. Providers update this record themselves, so call before visiting.

How can I verify Stephen A. Arrigo, M.D.'s license?

NPPES lists Pennsylvania license number MD033150E, 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 Stephen A. Arrigo, M.D. prescribe under Medicare Part D?

In 2024, Stephen A. Arrigo, M.D. had 16 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Stephen A. Arrigo, M.D.'s MIPS final score?

The 2023 MIPS final score is 92.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.