NPPES file of Aug 9, 2026

Leonard B. Berkowitz, MD

Pulmonary Disease Physician · Chester, PA

Leonard B. Berkowitz, MD is a pulmonary disease physician with a practice address in Chester, Pennsylvania, and NPI 1558477422, issued on Aug 22, 2006. Check the license (Pennsylvania MD019078E, 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
1558477422
Name
Leonard B. Berkowitz
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License numbers
MD019078E PA
MD-019078-E PA
Self-reported in NPPES; status is on the state search
Practice location
1 Medical Center Blvd, Chester, PA 19013
Phone
(610) 619-7460
Enumerated
Aug 22, 2006
Record last updated
Nov 16, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
0006760390001 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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Also registered at 1 Medical Center Blvd

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

  1. Dina AbdurahmanStudent in an Organized Health Care Education/Training Program1093243396
  2. Daniel AbrahamStudent in an Organized Health Care Education/Training Program1780371237
  3. Chaitanya Adiga, DPMStudent in an Organized Health Care Education/Training Program1881443158
  4. David Adler, PA-CSurgical Physician Assistant1669613782
  5. Nissar Ahmed, DOHospitalist Physician1881181139
  6. Syed AliEmergency Medicine Physician1306334727

Verify Leonard B. Berkowitz 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 MD019078E
    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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98% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

22 Medicare Part D claims, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.

  1. Leonard Berkowitz22
  2. Specialty average1,425

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.

Leonard B. Berkowitz among 779 pulmonary disease physician records in Pennsylvania

Leonard B. Berkowitz, MD is one of 779 pulmonary disease physician records with a practice address in Pennsylvania. 86% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 53% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% 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 207RP1001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Pennsylvania

There are 779 pulmonary disease physician records in Pennsylvania.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Wei Bin, M.D.Chester, PA 190131619135043
  2. Pierre Frederique, MDChester, PA 190131235243502
  3. Asad Khan, MDChester, PA 190131134233372
  4. Kenneth Lander, M.D.Upland, PA 190131154318988
  5. Kuo Tchong, MDChester, PA 190131811008287
  6. Gary Wendell, MDChester, PA 190131497868848
  7. Joseph Abboud, M.D.Bryn Mawr, PA 190101295757649
  8. Melinda Darnell, M.D.Bryn Mawr, PA 190101356703557

Common questions

What is Leonard B. Berkowitz, MD's NPI number?

Leonard B. Berkowitz, MD's National Provider Identifier (NPI) is 1558477422, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leonard B. Berkowitz, MD located?

The NPPES record lists a practice address at 1 Medical Center Blvd, Chester, PA, 19013. Phone: (610) 619-7460. Providers update this record themselves, so call before visiting.

How can I verify Leonard B. Berkowitz, MD's license?

NPPES lists Pennsylvania license number MD019078E, 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 Leonard B. Berkowitz, MD prescribe under Medicare Part D?

In 2024, Leonard B. Berkowitz, MD had 22 Medicare Part D claims; the average among pulmonary disease physician prescribers was 1,425. 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.