NPPES file of Aug 9, 2026

Mary Catherine Santos, M.D.

Pediatric Surgery Physician · Hershey, PA

Mary Catherine Santos, M.D. is a pediatric surgery physician with a practice address in Hershey, Pennsylvania, and NPI 1932136702, issued on Jun 27, 2006. Check the license (Pennsylvania MD437277, 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
1932136702
Name
Mary Catherine Santos
Credential
M.D.
Primary taxonomy
Pediatric Surgery Physician 2086S0120X
License number
MD437277 PA
Self-reported in NPPES; status is on the state search
Practice location
500 University Dr, Hershey, PA 17033
Phone
(800) 243-1455
Enumerated
Jun 27, 2006
Record last updated
Dec 1, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicaid IDs
02520152 NY
1023763010001 PA
Medicare enrollment
Enrolled (PECOS I20090911000683); accepts Medicare assignment
Medical or professional school
Rutgers New Jersey Medical School, 1986
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 500 University Dr

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

  1. Victor Abarca, CRNACertified Registered Nurse Anesthetist1003575853
  2. Aiza Abbas, MDStudent in an Organized Health Care Education/Training Program1164312500
  3. Fatemeh Abbasi, MDPulmonary Disease Physician1750878625
  4. Andrea Abbe, LDNRegistered Dietitian1366623795
  5. Mahdi Abdallah, MDStudent in an Organized Health Care Education/Training Program1497457360
  6. Ashraf Abdelhalim, MDAnesthesiology Physician1356931729

Verify Mary Catherine Santos 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 MD437277
    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

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

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The practice group's MIPS final score for 2023 (Medicare payment program): 71.8 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. Qualityout of 100 · 30% of the final score48.3
  2. Costout of 100 · 30%57.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Industry payments in 2024: $25.57

1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 523 providers of this specialty with any payment received $5,419.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Santos$25.57
  2. Specialty average$5,419.89

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

Bills Medicare through one group practice

  1. The Milton S Hershey Medical Center Physicians GroupHershey, PA

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

Mary Catherine Santos among 76 pediatric surgery physician records in Pennsylvania

Mary Catherine Santos, M.D. is one of 76 pediatric surgery physician records with a practice address in Pennsylvania. 39% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 62% newer
  • In a Medicare fileYes · 39% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated1986 · median 1998 among the 16 with a school on file
  • Record last updated2009 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0120X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Surgery Physician providers in Pennsylvania

There are 76 pediatric surgery physician records in Pennsylvania.

The 8 pediatric surgery physician records with the nearest ZIP codes

  1. Robert Crum, MDHershey, PA 170331669868162
  2. Afif Kulaylat, M.D.Hershey, PA 170331942593793
  3. Louis Marmon, MDHershey, PA 170331134107956
  4. Brittany Potz, M.D.Hershey, PA 170331134489016
  5. Karthik Vaidyanathan Ramakrishnan, MD, FRCS, DNBHershey, PA 170331629424478
  6. Robert Ricca, MDHershey, PA 170331053391227
  7. Dorothy Rocourt, MDHershey, PA 170331255371688
  8. Thomas Tracy, MDHershey, PA 170331184622995

Common questions

What is Mary Catherine Santos, M.D.'s NPI number?

Mary Catherine Santos, M.D.'s National Provider Identifier (NPI) is 1932136702, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Catherine Santos, M.D. located?

The NPPES record lists a practice address at 500 University Dr, Hershey, PA, 17033. Phone: (800) 243-1455. Providers update this record themselves, so call before visiting.

How can I verify Mary Catherine Santos, M.D.'s license?

NPPES lists Pennsylvania license number MD437277, 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.

What is Mary Catherine Santos, M.D.'s MIPS final score?

The 2023 MIPS final score is 71.8 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.