NPPES file of Aug 9, 2026

Stephen Joseph Bagley, MD

Hematology & Oncology Physician · Philadelphia, PA

Stephen Joseph Bagley, MD is a hematology & oncology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1164717369, issued on Jun 15, 2011. Check the license (Pennsylvania MT200466, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164717369
Name
Stephen Joseph Bagley
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
MT200466 PA
Self-reported in NPPES; status is on the state search
Practice location
3400 Civic Center Blvd, Philadelphia, PA 19104
Phone
(215) 662-4000
Enumerated
Jun 15, 2011
Record last updated
Apr 11, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170807000356); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 2011
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3400 Civic Center Blvd

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

  1. Erin Aakhus, M.D.Hematology & Oncology Physician1255652087
  2. Patricia Abbott, PA-CMedical Physician Assistant1316011018
  3. Nawar Abdul Latif, M.D.Gynecologic Oncology Physician1023247335
  4. Srinath Adusumalli, MDCardiovascular Disease Physician1720373418
  5. Shivani AgarwalEndocrinology, Diabetes & Metabolism Physician1104144708
  6. Charu Aggarwal, MD, MPHHematology & Oncology Physician1114181740

Verify Stephen Joseph Bagley 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 MT200466
    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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69% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

272 Medicare Part D claims for 53 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Stephen Bagley272
  2. Specialty average877

Most prescribed

  1. Dexamethasone53 claims
  2. Levetiracetam42 claims
  3. Lacosamide24 claims
  4. Ondansetron Hcl23 claims
  5. Sulfamethoxazole-Trimethoprim13 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,892.07

4 payments; by number, the most common kind was food and beverage; the largest payer was Servier Pharmaceuticals LLC. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Bagley$2,892.07
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University OF Penn - Medical GroupPhiladelphia, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stephen Joseph Bagley among 784 hematology & oncology physician records in Pennsylvania

Stephen Joseph Bagley, MD is one of 784 hematology & 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. Its NPI, issued in 2011, is newer than 67% of them.

  • NPI issued2011 · 67% of these records are older, 30% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2011 · median 2004 among the 553 with a school on file
  • Record last updated2017 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Pennsylvania

There are 784 hematology & oncology physician records in Pennsylvania.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Roger Cohen, MDPhiladelphia, PA 191041639146939
  2. Nevena Damjanov, MDPhiladelphia, PA 191041518954395
  3. Andrew Dancis, MDPhiladelphia, PA 191041316988249
  4. Arthur Feldman, MDPhiladelphia, PA 191041518966357
  5. Patrick Fogarty, MDPhiladelphia, PA 191041528016052
  6. Steven Freedman, M.D./PH.D.Philadelphia, PA 191041417932757
  7. Alison Loren, MDPhiladelphia, PA 191041942241641
  8. Carlos Madamba, MDPhiladelphia, PA 191041811994866

Common questions

What is Stephen Joseph Bagley, MD's NPI number?

Stephen Joseph Bagley, MD's National Provider Identifier (NPI) is 1164717369, issued on Jun 15, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Joseph Bagley, MD located?

The NPPES record lists a practice address at 3400 Civic Center Blvd, Philadelphia, PA, 19104. Phone: (215) 662-4000. Providers update this record themselves, so call before visiting.

How can I verify Stephen Joseph Bagley, MD's license?

NPPES lists Pennsylvania license number MT200466, 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 Stephen Joseph Bagley, MD prescribe under Medicare Part D?

In 2024, Stephen Joseph Bagley, MD had 272 Medicare Part D claims for 53 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Stephen Joseph Bagley, MD's MIPS final score?

The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.