NPPES file of Aug 9, 2026

Ubaldo Emilio Martinez Outschoorn, M.D.

Medical Oncology Physician · Philadelphia, PA

Ubaldo Emilio Martinez Outschoorn, M.D. is a medical oncology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1801004106, issued on May 18, 2007. Check the license (Pennsylvania MD430368, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801004106
Name
Ubaldo Emilio Martinez Outschoorn
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License numbers
MD430368 PA
MT182097 PA
Self-reported in NPPES; status is on the state search
Practice location
925 Chestnut St, Philadelphia, PA 19107
Phone
(215) 955-8874
Enumerated
May 18, 2007
Record last updated
Dec 16, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(215) 955-2340
Medicaid IDs
0233790 NJ
102481441 PA
Medicare enrollment
Enrolled (PECOS I20100916000934); accepts Medicare assignment
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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8 nearest medical oncology physician records → All 265 in Pennsylvania → Look up another NPI →

Also registered at 925 Chestnut St

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

  1. Maysa Abu-Khalaf, MDMedical Oncology Physician1194713495
  2. Asim AhmedStudent in an Organized Health Care Education/Training Program1669319059
  3. Seyfettin Alpdogan, MDMedical Oncology Physician1558538991
  4. Anjali Avadhani, MDHematology & Oncology Physician1194887059
  5. Rita Axelrod, M.D.Medical Oncology Physician1881616126
  6. Donald Beahm, MDOtolaryngology Physician1245423714

Verify Ubaldo Emilio Martinez Outschoorn 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 MD430368    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 medical oncology physician in 2024

217 Medicare Part D claims for 55 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.

  1. Ubaldo Martinez Outschoorn217
  2. Specialty average703

Most prescribed

  1. Valacyclovir28 claims
  2. Entecavir23 claims
  3. Allopurinol16 claims
  4. Ondansetron Hcl13 claims
  5. Prednisone13 claims
  6. Prochlorperazine Maleate12 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.

Bills Medicare through one group practice

  1. Jefferson University PhysiciansPhiladelphia, PA

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

Ubaldo Emilio Martinez Outschoorn among 265 medical oncology physician records in Pennsylvania

Ubaldo Emilio Martinez Outschoorn, M.D. 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. Its NPI, issued in 2007, is newer than 51% of them.

  • NPI issued2007 · 51% of these records are older, 40% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2002 · median 2002 among the 189 with a school on file
  • 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.

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

The 8 medical oncology physician records with the nearest ZIP codes

  1. Maysa Abu-Khalaf, MDPhiladelphia, PA 191071194713495
  2. Rita Axelrod, M.D.Philadelphia, PA 191071881616126
  3. David Berd, M.D.Philadelphia, PA 191071861414195
  4. Emmanuel Besa, M.D.Philadelphia, PA 191071114947967
  5. Barbara Campling, MDPhiladelphia, PA 191071508807983
  6. Matthew Carabasi, M.D.Philadelphia, PA 191071255351003
  7. Brian Carr, MDPhiladelphia, PA 191071831161785
  8. Joanne Filicko-O'Hara, M.D.Philadelphia, PA 191071801818141

Common questions

What is Ubaldo Emilio Martinez Outschoorn, M.D.'s NPI number?

Ubaldo Emilio Martinez Outschoorn, M.D.'s National Provider Identifier (NPI) is 1801004106, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ubaldo Emilio Martinez Outschoorn, M.D. located?

The NPPES record lists a practice address at 925 Chestnut St, Philadelphia, PA, 19107. Phone: (215) 955-8874. Providers update this record themselves, so call before visiting.

How can I verify Ubaldo Emilio Martinez Outschoorn, M.D.'s license?

NPPES lists Pennsylvania license number MD430368, 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 Ubaldo Emilio Martinez Outschoorn, M.D. prescribe under Medicare Part D?

In 2024, Ubaldo Emilio Martinez Outschoorn, M.D. had 217 Medicare Part D claims for 55 beneficiaries; the average among medical oncology physician prescribers was 703. 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.

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.