NPPES file of Aug 9, 2026

Liza O'Dowd, M.D.

Allergy & Immunology Physician · Philadelphia, PA

Liza O'Dowd, M.D. is an allergy & immunology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1003976499, issued on Dec 8, 2006. Check the license (Pennsylvania MD053631L, 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
1003976499
Name
Liza O'Dowd
Credential
M.D.
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
MD053631L PA
Self-reported in NPPES; status is on the state search
Practice location
3400 Spruce St, Philadelphia, PA 19104
Phone
(215) 662-2425
Enumerated
Dec 8, 2006
Record last updated
Mar 17, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
0016812110001 PA
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.
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8 nearest allergy & immunology physician records → All 183 in Pennsylvania → Look up another NPI →

Also registered at 3400 Spruce St

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

  1. Megan Abbott, CRNPNurse Practitioner1396771689
  2. Michael Abboud, MDEmergency Medicine Physician1962820852
  3. Emily AbdelmessihPediatric Pharmacist1891612560
  4. Mohammed AbdullahStudent in an Organized Health Care Education/Training Program1013595495
  5. Amin Abedini, MDStudent in an Organized Health Care Education/Training Program1912609017
  6. Farid Aboharb, MD, PHDStudent in an Organized Health Care Education/Training Program1295595973

Verify Liza O'Dowd 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 MD053631L    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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Industry payments in 2024: $138.83

1 payment: food and beverage; the largest payer was Genentech USA, Inc. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Liza O'Dowd$138.83
  2. Specialty average$8,321.81

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

Liza O'Dowd among 183 allergy & immunology physician records in Pennsylvania

Liza O'Dowd, M.D. is one of 183 allergy & immunology physician records with a practice address in Pennsylvania. 77% 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 21% of them.

  • NPI issued2006 · 21% of these records are older, 49% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2011 · 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 207K00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Pennsylvania

There are 183 allergy & immunology physician records in Pennsylvania.

All 183 in Pennsylvania → Every provider in Philadelphia → Allergy & Immunology Physician nationwide →

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Andrea Apter, MDPhiladelphia, PA 191041164454419
  2. John Bosso, MDPhiladelphia, PA 191041265499982
  3. Olajumoke Fadugba, MDPhiladelphia, PA 191041760611511
  4. Scott Feldman, M.D., PH.D.Philadelphia, PA 191041164798146
  5. Matthew GerminaroPhiladelphia, PA 191041881836328
  6. Arnold Levinson, MDPhiladelphia, PA 191041669486189
  7. Geeta Patel, MDPhiladelphia, PA 191041619100401
  8. S Phillips, MDPhiladelphia, PA 191041487668901

Common questions

What is Liza O'Dowd, M.D.'s NPI number?

Liza O'Dowd, M.D.'s National Provider Identifier (NPI) is 1003976499, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Liza O'Dowd, M.D. located?

The NPPES record lists a practice address at 3400 Spruce St, Philadelphia, PA, 19104. Phone: (215) 662-2425. Providers update this record themselves, so call before visiting.

How can I verify Liza O'Dowd, M.D.'s license?

NPPES lists Pennsylvania license number MD053631L, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.