Gerald A. Isenberg, M.D.
Colon & Rectal Surgery Physician · Paoli, PA
Gerald A. Isenberg, M.D. is a colon & rectal surgery physician with a practice address in Paoli, Pennsylvania, and NPI 1821018532, issued on Jul 19, 2006. Check the license (Pennsylvania MD037695E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gerald A. Isenberg
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- MD037695E PA
Self-reported in NPPES; status is on the state search - Practice location
- 255 W Lancaster Ave Ste 332, Paoli, PA 19301
- Phone
- (610) 647-3077
- Enumerated
- Jul 19, 2006
- Record last updated
- Apr 16, 2026
- Fax
- (610) 993-0668
- Medicaid IDs
- 8667101 NJ
001430759 PA - Medicare enrollment
- Enrolled (PECOS I20050216000256); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1982
- Entity
- Type 1 · individual
Also registered at 255 W Lancaster Ave Ste 332
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel JoSurgery Physician1033616842
- Scott Kripke, MDSurgery Physician1851352553
- David Reel, D.O.Surgery Physician1023025558
- Edward Romero, M.D.Surgery Physician1720490915
- Susan Sees, M.D.Surgery Physician1952516445
Verify Gerald A. Isenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD037695ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
80 Medicare Part D claims for 43 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Hydrocortisone22 claims
- Triamcinolone Acetonide17 claims
- Procto-Med Hc15 claims
- Mesalamine11 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.
Industry payments in 2024: $131.04
1 payment: food and beverage; the largest payer was Baxter Healthcare. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Jefferson University PhysiciansPhiladelphia, PA
- Main Line HealthcarePaoli, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colon & Rectal Surgery Physician providers in Pennsylvania
There are 122 colon & rectal surgery physician records in Pennsylvania.
Other colon & rectal surgery physician records in Pennsylvania
- Robert Akbari, M.D.Doylestown, PA1053328765
- Asna Amin, M.D.State College, PA1649474925
- Taro Arai, MDHavertown, PA1518002393
- Rajeev Arora, M.D.Bethlehem, PA1255446456
- Brian Bansidhar, D.O.Erie, PA1992891220
- James BaranMonroeville, PA1033118484
- Puja Berry, M.D.York, PA1174899389
- Suzan Bilgesu, DODanville, PA1932635026
- Joshua Bleier, MDPhiladelphia, PA1124292487
- Malak BokhariPittsburgh, PA1992894760
Common questions
What is Gerald A. Isenberg, M.D.'s NPI number?
Gerald A. Isenberg, M.D.'s National Provider Identifier (NPI) is 1821018532, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gerald A. Isenberg, M.D. located?
The NPPES record lists a practice address at 255 W Lancaster Ave Ste 332, Paoli, PA, 19301. Phone: (610) 647-3077. Providers update this record themselves, so call before visiting.
How can I verify Gerald A. Isenberg, M.D.'s license?
NPPES lists Pennsylvania license number MD037695E, 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 Gerald A. Isenberg, M.D. prescribe under Medicare Part D?
In 2024, Gerald A. Isenberg, M.D. had 80 Medicare Part D claims for 43 beneficiaries; the average among colon & rectal surgery 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.
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.