NPPES file of Aug 9, 2026

Irvin M. Liebman, MD

Dermatology Physician · Warminster, PA

Irvin M. Liebman, MD is a dermatology physician with a practice address in Warminster, Pennsylvania, and NPI 1194783290, issued on May 1, 2006. Check the license (Pennsylvania MD028206L, 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
1194783290
Name
Irvin M. Liebman
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
MD028206L PA
Self-reported in NPPES; status is on the state search
Practice location
205 New Town Road, Warminster, PA 18974
Phone
(215) 441-0999
Enumerated
May 1, 2006
Record last updated
Dec 6, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(215) 441-3750
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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Verify Irvin M. Liebman 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 MD028206L
    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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97% fewer Medicare Part D claims than the average dermatology physician in 2024

20 Medicare Part D claims, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Irvin Liebman20
  2. Specialty average797

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.

Irvin M. Liebman among 681 dermatology physician records in Pennsylvania

Irvin M. Liebman, MD is one of 681 dermatology physician records with a practice address in Pennsylvania. 87% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 57% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2013 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Pennsylvania

There are 681 dermatology physician records in Pennsylvania.

The 8 dermatology physician records with the nearest ZIP codes

  1. Robert Tokarek, MDWarminster, PA 189741083619407
  2. Roman Bronfenbrener, MDSouthampton, PA 189661134488638
  3. Kathleen Kucer, MDSellersville, PA 189601629055157
  4. Daniel Shrager, M.D.Sellersville, PA 189601396784120
  5. Adam Woldow, M.D.Richboro, PA 189541750583316
  6. David Twardzik, M.D.Quakertown, PA 189511457422925
  7. Ali Alajmi, MD , FRCPC , FAADArdmore, PA 190031760172522
  8. Eric Bernstein, M.D.Ardmore, PA 190031336183383

Common questions

What is Irvin M. Liebman, MD's NPI number?

Irvin M. Liebman, MD's National Provider Identifier (NPI) is 1194783290, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Irvin M. Liebman, MD located?

The NPPES record lists a practice address at 205 New Town Road, Warminster, PA, 18974. Phone: (215) 441-0999. Providers update this record themselves, so call before visiting.

How can I verify Irvin M. Liebman, MD's license?

NPPES lists Pennsylvania license number MD028206L, 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 Irvin M. Liebman, MD prescribe under Medicare Part D?

In 2024, Irvin M. Liebman, MD had 20 Medicare Part D claims; the average among dermatology physician prescribers was 797. 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.