NPPES file of Aug 9, 2026

Maclean Marie Pancoast Nasrallah, M.D.

Neuropathology Physician · Philadelphia, PA

Maclean Marie Pancoast Nasrallah, M.D. is a neuropathology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1699037770, issued on Jun 13, 2012. Check the license (Pennsylvania MD456832, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699037770
Name
Maclean Marie Pancoast Nasrallah
Credential
M.D.
Primary taxonomy
Neuropathology Physician 207ZN0500X
License number
MD456832 PA
Self-reported in NPPES; status is on the state search
Practice location
800 Spruce St, Philadelphia, PA 19107
Phone
(215) 829-3000
Enumerated
Jun 13, 2012
Record last updated
Oct 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(215) 829-7564
Medicare enrollment
Enrolled (PECOS I20160812001265); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 2012
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 800 Spruce St

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

  1. Ahmad Abdalla, MDInternal Medicine Physician1730981127
  2. Annabelle Abdo, DOObstetrics & Gynecology Physician1518583665
  3. Omar AbdounStudent in an Organized Health Care Education/Training Program1669260279
  4. Monica Aber, CRNPAcute Care Nurse Practitioner1922876820
  5. Jennifer Acquaviva, MPTSpecialist1346366820
  6. Sarah Adams, DOStudent in an Organized Health Care Education/Training Program1184327108

Verify Maclean Marie Pancoast Nasrallah 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 MD456832    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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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).

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).

Neuropathology Physician providers in Pennsylvania

There are 14 neuropathology physician records in Pennsylvania.

All 14 in Pennsylvania → Every provider in Philadelphia →

Other neuropathology physician records in Pennsylvania

  1. Ierachmiel Daskal, M.D., PHDPhiladelphia, PA1194811257
  2. Mark Forman, MDPhiladelphia, PA1346285871
  3. Kymberly Gyure, M.D.Pittsburgh, PA1942275359
  4. Zachary Hoffer, MD., PH.D.Danville, PA1831348374
  5. Syed Kazmi, MDDanville, PA1750591970
  6. Edward Lee, MDPhiladelphia, PA1063579050
  7. Zissimos Mourelatos, MDPhiladelphia, PA1023046513
  8. Denise Najjar, M.D.Philadelphia, PA1104911718
  9. Thomas Pearce, MD, PHDPittsburgh, PA1245769041
  10. Drew Pratt, MDPittsburgh, PA1194131763

Common questions

What is Maclean Marie Pancoast Nasrallah, M.D.'s NPI number?

Maclean Marie Pancoast Nasrallah, M.D.'s National Provider Identifier (NPI) is 1699037770, issued on Jun 13, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Maclean Marie Pancoast Nasrallah, M.D. located?

The NPPES record lists a practice address at 800 Spruce St, Philadelphia, PA, 19107. Phone: (215) 829-3000. Providers update this record themselves, so call before visiting.

How can I verify Maclean Marie Pancoast Nasrallah, M.D.'s license?

NPPES lists Pennsylvania license number MD456832, 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.

What is Maclean Marie Pancoast Nasrallah, M.D.'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.

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.