NPPES file of Aug 9, 2026

Cory Alexieff, DO

Pediatrics Physician · Philadelphia, PA

Cory Alexieff, DO is a pediatrics physician with a practice address in Philadelphia, Pennsylvania, and NPI 1447875877, issued on Jun 11, 2020. Check the license (Pennsylvania OT020303, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447875877
Name
Cory Alexieff
Credential
DO
Primary taxonomy
Pediatrics Physician 208000000X
License number
OT020303 PA
Self-reported in NPPES; status is on the state search
Practice location
5501 Old York RD Ste 1, Philadelphia, PA 19141
Phone
(215) 456-7595
Enumerated
Jun 11, 2020
Record last updated
Jun 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250916000920); may accept Medicare assignment
Medical or professional school
Lincoln Mem Univ, Debusk Col Of Osteopathic Med, 2020
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 5501 Old York RD Ste 1

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

  1. Fattum AbbadStudent in an Organized Health Care Education/Training Program1750212270
  2. Vitoria Acar, MDStudent in an Organized Health Care Education/Training Program1780500017
  3. Omar AhmadStudent in an Organized Health Care Education/Training Program1508596271
  4. Shakelah Ahmady, CRNPPediatric Nurse Practitioner1669139887
  5. Eman Ahmed, DOStudent in an Organized Health Care Education/Training Program1194518340
  6. Elise Ahn, MDStudent in an Organized Health Care Education/Training Program1639009095

Verify Cory Alexieff 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 OT020303
    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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Cory Alexieff among 3,382 pediatrics physician records in Pennsylvania

Cory Alexieff, DO 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 not. Its NPI, issued in 2020, is newer than 82% of them.

  • NPI issued2020 · 82% of these records are older, 16% newer
  • In a Medicare fileNo · 25% of these records are
  • In the CMS Doctors and Clinicians fileYes · 7% of these records are
  • Graduated2020 · median 2011 among the 243 with a school on file
  • Record last updated2020 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Mayssa Abuali, M.D.Philadelphia, PA 191411023273943
  2. Kelly Bethea, MDPhiladelphia, PA 191411992705115
  3. Kelly Bradley-Dodds, MDPhiladelphia, PA 191411982793667
  4. Raymond Cattaneo, MDPhiladelphia, PA 191411831163765
  5. Mario Cruz, M.D.Philadelphia, PA 191411962628677
  6. Cynthia Delago, M.D.Philadelphia, PA 191411972573947
  7. Nora Esteban-Cruciani, MD, MSPhiladelphia, PA 191411982774188
  8. Matilde Irigoyen, M.D.Philadelphia, PA 191411447236419

Common questions

What is Cory Alexieff, DO's NPI number?

Cory Alexieff, DO's National Provider Identifier (NPI) is 1447875877, issued on Jun 11, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Cory Alexieff, DO located?

The NPPES record lists a practice address at 5501 Old York RD Ste 1, Philadelphia, PA, 19141. Phone: (215) 456-7595. Providers update this record themselves, so call before visiting.

How can I verify Cory Alexieff, DO's license?

NPPES lists Pennsylvania license number OT020303, 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. 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.