Matilde M. Irigoyen, M.D.
Pediatrics Physician · Philadelphia, PA
Matilde M. Irigoyen, M.D. is a pediatrics physician with a practice address in Philadelphia, Pennsylvania, and NPI 1447236419, issued on Dec 21, 2005. Check the license (Pennsylvania MD430503, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Matilde M. Irigoyen
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- MD430503 PA
Self-reported in NPPES; status is on the state search - Practice location
- 5501 Old York RD, Philadelphia, PA 19141
- Phone
- (215) 456-7170
- Enumerated
- Dec 21, 2005
- Record last updated
- Nov 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (215) 456-4923
- Medicaid IDs
- 00671458 NY
101883541 PA - Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 3,382 in Pennsylvania → Look up another NPI →
Also registered at 5501 Old York RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matilde M. Irigoyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD430503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average pediatrics physician in 2024
23 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Matilde M. Irigoyen among 3,382 pediatrics physician records in Pennsylvania
Matilde M. Irigoyen, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% 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).
1,153 pediatrics physician records list a practice address in Philadelphia
They are 1,153 of the 42,849 NPPES records with a practice address in Philadelphia, and 3,382 pediatrics physician records in Pennsylvania.
All 3,382 in Pennsylvania → Every provider in Philadelphia → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Mayssa Abuali, M.D.Philadelphia, PA 191411023273943
- Kelly Bethea, MDPhiladelphia, PA 191411992705115
- Kelly Bradley-Dodds, MDPhiladelphia, PA 191411982793667
- Raymond Cattaneo, MDPhiladelphia, PA 191411831163765
- Mario Cruz, M.D.Philadelphia, PA 191411962628677
- Cynthia Delago, M.D.Philadelphia, PA 191411972573947
- Nora Esteban-Cruciani, MD, MSPhiladelphia, PA 191411982774188
- Barbara Kelly, MDPhiladelphia, PA 191411003982448
Common questions
What is Matilde M. Irigoyen, M.D.'s NPI number?
Matilde M. Irigoyen, M.D.'s National Provider Identifier (NPI) is 1447236419, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Matilde M. Irigoyen, M.D. located?
The NPPES record lists a practice address at 5501 Old York RD, Philadelphia, PA, 19141. Phone: (215) 456-7170. Providers update this record themselves, so call before visiting.
How can I verify Matilde M. Irigoyen, M.D.'s license?
NPPES lists Pennsylvania license number MD430503, 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 Matilde M. Irigoyen, M.D. prescribe under Medicare Part D?
In 2024, Matilde M. Irigoyen, M.D. had 23 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.