Ari Reuben Geselowitz, MD
Diagnostic Radiology Physician · State College, PA
Ari Reuben Geselowitz, MD is a diagnostic radiology physician with a practice address in State College, Pennsylvania, and NPI 1326021577, issued on Nov 22, 2005. Check the license (Pennsylvania MD043267L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Ari Reuben Geselowitz
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- MD043267L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1800 E Park Ave, State College, PA 16803
- Phone
- (814) 234-6137
- Enumerated
- Nov 22, 2005
- Record last updated
- May 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (814) 234-6795
- Medicaid ID
- 001240834 PA
- Medicare enrollment
- Enrolled (PECOS I20080220000073); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 2,199 in Pennsylvania → Look up another NPI →
Also registered at 1800 E Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cara Albarano, CRNACertified Registered Nurse Anesthetist1528097300
- Patrick Allen, PA-CPhysician Assistant1427743269
- Bryson Anderson, CRNACertified Registered Nurse Anesthetist1760954093
- Jonathan Ashley, M.D.Hospitalist Physician1275919672
- Joseph Basedow, D.O.Anesthesiology Physician1922532852
- Ross Bellinger, CRNACertified Registered Nurse Anesthetist1992042345
Verify Ari Reuben Geselowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD043267LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mount Nittany Medical Center Health Services IncState College, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ari Reuben Geselowitz among 2,199 diagnostic radiology physician records in Pennsylvania
Ari Reuben Geselowitz, MD is one of 2,199 diagnostic radiology physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1986 · median 2003 among the 1,439 with a school on file
- Record last updated2008 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Pennsylvania
There are 2,199 diagnostic radiology physician records in Pennsylvania.
All 2,199 in Pennsylvania → Every provider in State College → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Jacob Alexander, M.D.State College, PA 168031477755577
- Joshua BotteicherState College, PA 168031518232339
- Mary Fisher, MDState College, PA 168031093797821
- Anna Hood, M.D.State College, PA 168031508008921
- Roger Rockower, MDState College, PA 168031962484709
- Mark Shears, MDState College, PA 168031922080761
- Paul Steindorf, MDState College, PA 168031861474264
- Paul Stoddard, M.D.State College, PA 168031528358595
Common questions
What is Ari Reuben Geselowitz, MD's NPI number?
Ari Reuben Geselowitz, MD's National Provider Identifier (NPI) is 1326021577, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ari Reuben Geselowitz, MD located?
The NPPES record lists a practice address at 1800 E Park Ave, State College, PA, 16803. Phone: (814) 234-6137. Providers update this record themselves, so call before visiting.
How can I verify Ari Reuben Geselowitz, MD's license?
NPPES lists Pennsylvania license number MD043267L, 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.
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.