NPPES file of Aug 9, 2026

Allison R. Horowitz, M.D.

Pediatrics Physician · Media, PA

Allison R. Horowitz, M.D. is a pediatrics physician with a practice address in Media, Pennsylvania, and NPI 1346401155, issued on Jun 24, 2008. Check the license (Pennsylvania MD442227, 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
1346401155
Name
Allison R. Horowitz
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
MD442227 PA
Self-reported in NPPES; status is on the state search
Practice location
100 Granite Dr, Media, PA 19063
Phone
(610) 565-1945
Enumerated
Jun 24, 2008
Record last updated
May 14, 2014 (not updated in 12 years: call before relying on the address or phone)
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 100 Granite Dr

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

  1. Olivia Dimaggio, MDPediatrics Physician1316908031
  2. Alison Gaudet, M.D.Pediatrics Physician1215998380
  3. Betsy Race, MDPediatrics Physician1710948401
  4. William Strowhouer, DOFamily Medicine Physician1184828899

Verify Allison R. Horowitz 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 MD442227
    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.

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

Industry payments in 2024: $50.19

2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Allison Horowitz$50.19
  2. Specialty average$842.05

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

Allison R. Horowitz among 3,382 pediatrics physician records in Pennsylvania

Allison R. Horowitz, M.D. is one of 3,382 pediatrics physician records with a practice address in Pennsylvania. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 48% of them.

  • NPI issued2008 · 48% of these records are older, 47% newer
  • In a Medicare fileYes · 25% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2014 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in Pennsylvania

There are 3,382 pediatrics physician records in Pennsylvania.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Gia Altomari, MDMedia, PA 190631336177815
  2. Russel Applegate, MDMedia, PA 190631205943966
  3. Olivia Dimaggio, MDMedia, PA 190631316908031
  4. Alison Gaudet, M.D.Media, PA 190631215998380
  5. Hunter Kupchella, DOMedia, PA 190631588359178
  6. Betsy Race, MDMedia, PA 190631710948401
  7. Philip Siu, MDMedia, PA 190631861432882
  8. Megan Speare, MDMedia, PA 190631174842819

Common questions

What is Allison R. Horowitz, M.D.'s NPI number?

Allison R. Horowitz, M.D.'s National Provider Identifier (NPI) is 1346401155, issued on Jun 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Allison R. Horowitz, M.D. located?

The NPPES record lists a practice address at 100 Granite Dr, Media, PA, 19063. Phone: (610) 565-1945. Providers update this record themselves, so call before visiting.

How can I verify Allison R. Horowitz, M.D.'s license?

NPPES lists Pennsylvania license number MD442227, 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.

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.