Gilbert Kasirsky, D.O.
Family Medicine Physician · Feasterville Trevose, PA
Gilbert Kasirsky, D.O. is a family medicine physician with a practice address in Feasterville Trevose, Pennsylvania, and NPI 1609826429, issued on May 11, 2006. Check the license (Pennsylvania OS003198L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gilbert Kasirsky
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS003198L PA
Self-reported in NPPES; status is on the state search - Practice location
- 178 W Street RD, Feasterville Trevose, PA 19053
- Phone
- (215) 710-6490
- Enumerated
- May 11, 2006
- Record last updated
- Jun 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (215) 710-6492
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 178 W Street RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gilbert Kasirsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS003198LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
47 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Gilbert Kasirsky among 7,483 family medicine physician records in Pennsylvania
Gilbert Kasirsky, D.O. is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 family medicine physician records list a practice address in Feasterville Trevose
They are 16 of the 256 NPPES records with a practice address in Feasterville Trevose, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Feasterville Trevose → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Thomas Duffield, M.D.Feasterville, PA 190531548207699
- John Junod, M.D.Feasterville Trevose, PA 190531205839339
- Douglas Kimmel, D.O.Feasterville Trevose, PA 190531891780631
- Alberto Larrieu, MDFeasterville Trevose, PA 190531447209614
- John McDonald, D.O.Feasterville Trevose, PA 190531427021872
- Adam Mikulski, D.O.Trevose, PA 190531437129574
- Susan Pak-Lee, DOFeasterville, PA 190531093711574
- John Peniston, DOFeasterville, PA 190531265438642
Common questions
What is Gilbert Kasirsky, D.O.'s NPI number?
Gilbert Kasirsky, D.O.'s National Provider Identifier (NPI) is 1609826429, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gilbert Kasirsky, D.O. located?
The NPPES record lists a practice address at 178 W Street RD, Feasterville Trevose, PA, 19053. Phone: (215) 710-6490. Providers update this record themselves, so call before visiting.
How can I verify Gilbert Kasirsky, D.O.'s license?
NPPES lists Pennsylvania license number OS003198L, 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 Gilbert Kasirsky, D.O. prescribe under Medicare Part D?
In 2024, Gilbert Kasirsky, D.O. had 47 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.