NPPES file of Aug 9, 2026

Nancy Ellen Davidson, M.D.

Medical Oncology Physician · Pittsburgh, PA

Nancy Ellen Davidson, M.D. is a medical oncology physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1114954153, issued on Jun 26, 2006. Check the license 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
1114954153
Name
Nancy Ellen Davidson
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
D28239 MD
Self-reported in NPPES; status is on the state search
Practice location
200 Lothrop St, Pittsburgh, PA 15213
Phone
(412) 623-3205
Enumerated
Jun 26, 2006
Record last updated
Feb 5, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(412) 623-3210
Medicaid ID
445731500 MD
Medicare enrollment
Enrolled (PECOS I20170227001941); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 1979
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 200 Lothrop St

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

  1. Amy AbbottCertified Registered Nurse Anesthetist1689943490
  2. Bisan Abboud, MDStudent in an Organized Health Care Education/Training Program1588359434
  3. Othman Abdul-MalakVascular Surgery Physician1003285602
  4. Mohamed Abdullah, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1164001277
  5. Raed Abdullah, MDSpecialist1962474353
  6. Michael Abesamis, M.D.Emergency Medicine Physician1467647958

Verify Nancy Ellen Davidson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)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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96% fewer Medicare Part D claims than the average medical oncology physician in 2024

30 Medicare Part D claims for 13 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Nancy Davidson30
  2. Specialty average703

Most prescribed

  1. Letrozole20 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 MIPS final score for 2023 (Medicare payment program): 93.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score74.0
  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; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. The Association OF University PhysiciansSeattle, WA

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

Nancy Ellen Davidson among 265 medical oncology physician records in Pennsylvania

Nancy Ellen Davidson, 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 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 49% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1979 · 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.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Shannon Huggins-Puhalla, MDPittsburgh, PA 152131326251299
  2. Ashwin SomasundaramPittsburgh, PA 152131356784763
  3. Antonios Christou, M.D.Pittsburgh, PA 152121922044098
  4. Larisa Greenberg, MDPittsburgh, PA 152121144220385
  5. Ariel Lopez-Chavez, M.D., M.S.Pittsburgh, PA 152121871786913
  6. Dulabh Monga, MDPittsburgh, PA 152121578564019
  7. Naga Sai Krishna Patibandla, M.D.Pittsburgh, PA 152121861948069
  8. Jane Raymond, MDPittsburgh, PA 152121518968825

Common questions

What is Nancy Ellen Davidson, M.D.'s NPI number?

Nancy Ellen Davidson, M.D.'s National Provider Identifier (NPI) is 1114954153, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Ellen Davidson, M.D. located?

The NPPES record lists a practice address at 200 Lothrop St, Pittsburgh, PA, 15213. Phone: (412) 623-3205. Providers update this record themselves, so call before visiting.

How can I verify Nancy Ellen Davidson, M.D.'s license?

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 Nancy Ellen Davidson, M.D. prescribe under Medicare Part D?

In 2024, Nancy Ellen Davidson, M.D. had 30 Medicare Part D claims for 13 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.

What is Nancy Ellen Davidson, M.D.'s MIPS final score?

The 2023 MIPS final score is 93.1 of 100. 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.