NPPES file of Aug 9, 2026

Irwin Hollander, M.D.

Anatomic Pathology & Clinical Pathology Physician · Sellersville, PA

Irwin Hollander, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Sellersville, Pennsylvania, and NPI 1003966391, issued on Jan 11, 2007. Check the license (Pennsylvania MD014407E, 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
1003966391
Name
Irwin Hollander
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
MD014407E PA
Self-reported in NPPES; status is on the state search
Practice location
700 Lawn Ave, Sellersville, PA 18960
Phone
(215) 453-4522
Enumerated
Jan 11, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(215) 453-4167
Medicare enrollment
Enrolled (PECOS I20111209000261); 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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8 nearest anatomic pathology & clinical pathology physician records → All 716 in Pennsylvania → Look up another NPI →

Also registered at 700 Lawn Ave

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

  1. Linda Alderfer, CRNACertified Registered Nurse Anesthetist1952307225
  2. Linda Alesi Huber, CRNPAdult Health Nurse Practitioner1306218417
  3. Mohammad Almomani, M.D.Pediatrics Physician1497774251
  4. Deborah Atwell, PA-CPhysician Assistant1285277293
  5. Keith Bair, PAPhysician Assistant1174639454
  6. Mitchell Barrer, MDAnesthesiology Physician1457317711

Verify Irwin Hollander 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 MD014407E    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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55% fewer Medicare Part D claims than the average anatomic pathology & clinical pathology physician in 2024

86 Medicare Part D claims, against an average of 192 among the 401 providers of this specialty who prescribed in Part D.

  1. Irwin Hollander86
  2. Specialty average192

Most prescribed

  1. Lorazepam13 claims
  2. Naltrexone Hcl13 claims
  3. Risperidone12 claims
  4. Bupropion Hcl Sr11 claims
  5. Buspirone Hcl11 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.

Bills Medicare through 2 group practices

  1. Grand View HospitalSellersville, PA
  2. St Lukes Physician Group IncBethlehem, PA

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

Irwin Hollander among 716 anatomic pathology & clinical pathology physician records in Pennsylvania

Irwin Hollander, M.D. 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 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 46% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated1972 · median 2001 among the 388 with a school on file
  • Record last updated2007 · 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.

All 716 in Pennsylvania → Every provider in Sellersville → Anatomic Pathology & Clinical Pathology Physician nationwide →

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

  1. Linda Lavin, M.D.Sellersville, PA 189601548310824
  2. Herbert Auerbach, D.O.Abington, PA 190011013079516
  3. Karen Bell, M.D.Abington, PA 190011790712487
  4. Joshua Cantor, M,D,Abington, PA 190011245441252
  5. Denise Gotsdiner, MDAbington, PA 190011962434464
  6. Cynthia Kelley, MDAbington, PA 190011356587299
  7. Jeanne McFalls, MDAbington, PA 190011194033993
  8. Daniel Jones, MDArdmore, PA 190031124284336

Common questions

What is Irwin Hollander, M.D.'s NPI number?

Irwin Hollander, M.D.'s National Provider Identifier (NPI) is 1003966391, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Irwin Hollander, M.D. located?

The NPPES record lists a practice address at 700 Lawn Ave, Sellersville, PA, 18960. Phone: (215) 453-4522. Providers update this record themselves, so call before visiting.

How can I verify Irwin Hollander, M.D.'s license?

NPPES lists Pennsylvania license number MD014407E, 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 Irwin Hollander, M.D. prescribe under Medicare Part D?

In 2024, Irwin Hollander, M.D. had 86 Medicare Part D claims; the average among anatomic pathology & clinical pathology physician prescribers was 192. 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.

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.