NPPES file of Aug 9, 2026

Stephen Douglas Rubin, MD

Medical Oncology Physician · Collegeville, PA

Stephen Douglas Rubin, MD is a medical oncology physician with a practice address in Collegeville, Pennsylvania, and NPI 1427471903, issued on Feb 3, 2014. Check the license (Pennsylvania MD034245E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427471903
Name
Stephen Douglas Rubin
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
MD034245E PA
Self-reported in NPPES; status is on the state search
Practice location
1250 S Collegeville RD, Collegeville, PA 19426
Phone
(484) 620-9545
Enumerated
Feb 3, 2014
Record last updated
Feb 3, 2014 (not updated in 12 years: call before relying on the address or phone)
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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8 nearest medical oncology physician records → All 265 in Pennsylvania → Look up another NPI →

Also registered at 1250 S Collegeville RD

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

  1. Richard Brigandi, M.D., PH.D.Research Study Specialist1730578287
  2. Geoffrey Chan, M.D.Hematology & Oncology Physician1912962424
  3. Bhargav Chandrashekar, D.O.Preventive Medicine/Occupational Environmental Medicine Physician1003266511
  4. Peter Langmuir, MDPediatric Hematology & Oncology Physician1295151488
  5. Jeremey Levin, M.D.Medical Oncology Physician1871834721
  6. Andrew Lippa, M.D., PH.D.Pediatric Infectious Diseases Physician1659711935

Verify Stephen Douglas Rubin 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 MD034245E    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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Stephen Douglas Rubin among 265 medical oncology physician records in Pennsylvania

Stephen Douglas Rubin, MD is one of 265 medical oncology physician records with a practice address in Pennsylvania. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2014, is newer than 85% of them.

  • NPI issued2014 · 85% of these records are older, 12% newer
  • In a Medicare fileNo · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2014 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Pennsylvania

There are 265 medical oncology physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 265 in Pennsylvania → Every provider in Collegeville → Medical Oncology Physician nationwide →

The 8 medical oncology physician records with the nearest ZIP codes

  1. Jeremey Levin, M.D.Collegeville, PA 194261871834721
  2. Rezvan Rafi, M.D.Chester Springs, PA 194251578709192
  3. James Pluda, M.D.Hatfield, PA 194401275875239
  4. Barry Singer, MDNorristown, PA 194011588723894
  5. Michele Tedeschi, MDWest Chester, PA 193801366533275
  6. Michael Mikhail, M.D.Malvern, PA 193551043384035
  7. Calvin Lu, MDExton, PA 193411922105758
  8. William Luginbuhl, MDExton, PA 193411922105741

Common questions

What is Stephen Douglas Rubin, MD's NPI number?

Stephen Douglas Rubin, MD's National Provider Identifier (NPI) is 1427471903, issued on Feb 3, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Douglas Rubin, MD located?

The NPPES record lists a practice address at 1250 S Collegeville RD, Collegeville, PA, 19426. Phone: (484) 620-9545. Providers update this record themselves, so call before visiting.

How can I verify Stephen Douglas Rubin, MD's license?

NPPES lists Pennsylvania license number MD034245E, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.