NPPES file of Aug 9, 2026

Ira Jay Bleiweiss, MD

Anatomic Pathology & Clinical Pathology Physician · Philadelphia, PA

Ira Jay Bleiweiss, MD is an anatomic pathology & clinical pathology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1851399869, issued on Jul 13, 2005. Check the license (Pennsylvania MD034904E, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851399869
Name
Ira Jay Bleiweiss
Credential
MD
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
MD034904E PA
Self-reported in NPPES; status is on the state search
Practice location
800 Spruce St, Philadelphia, PA 19107
Phone
(215) 829-3000
Enumerated
Jul 13, 2005
Record last updated
Oct 24, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(215) 829-7564
Medicare enrollment
Enrolled (PECOS I20160216000830); accepts Medicare assignment
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 800 Spruce St

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

  1. Ahmad Abdalla, MDInternal Medicine Physician1730981127
  2. Annabelle Abdo, DOObstetrics & Gynecology Physician1518583665
  3. Omar AbdounStudent in an Organized Health Care Education/Training Program1669260279
  4. Monica Aber, CRNPAcute Care Nurse Practitioner1922876820
  5. Jennifer Acquaviva, MPTSpecialist1346366820
  6. Sarah Adams, DOStudent in an Organized Health Care Education/Training Program1184327108

Verify Ira Jay Bleiweiss 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 MD034904E
    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

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The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 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 score73.6
  2. Costnot scored (reweighted)
  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).

Bills Medicare through one group practice

  1. University OF Penn - Medical GroupPhiladelphia, PA

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

Ira Jay Bleiweiss among 716 anatomic pathology & clinical pathology physician records in Pennsylvania

Ira Jay Bleiweiss, MD is one of 716 anatomic pathology & clinical pathology physician records with a practice address in Pennsylvania. 62% 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, 93% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated1984 · median 2001 among the 388 with a school on file
  • Record last updated2019 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in Pennsylvania

There are 716 anatomic pathology & clinical pathology physician records in Pennsylvania.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. John Brooks, MDPhiladelphia, PA 191071073559837
  2. Mary Cunnane, M.D.Philadelphia, PA 191071346258985
  3. Mark CurtisPhiladelphia, PA 191071306854955
  4. Lisa Dwyer-Joyce, MDPhiladelphia, PA 191071780627570
  5. John FarberPhiladelphia, PA 191071174531719
  6. Tunde Farkas, MDPhiladelphia, PA 191071245275759
  7. Fred Gorstein, M.D.Philadelphia, PA 191071295743888
  8. Michael Husson, MDPhiladelphia, PA 191071093759979

Common questions

What is Ira Jay Bleiweiss, MD's NPI number?

Ira Jay Bleiweiss, MD's National Provider Identifier (NPI) is 1851399869, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ira Jay Bleiweiss, MD located?

The NPPES record lists a practice address at 800 Spruce St, Philadelphia, PA, 19107. Phone: (215) 829-3000. Providers update this record themselves, so call before visiting.

How can I verify Ira Jay Bleiweiss, MD's license?

NPPES lists Pennsylvania license number MD034904E, 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 Ira Jay Bleiweiss, MD's MIPS final score?

The 2023 MIPS final score is 85.5 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.