Donald Lawrence Siegel, MD
Clinical Pathology/Laboratory Medicine Physician · Philadelphia, PA
Donald Lawrence Siegel, MD is a clinical pathology/laboratory medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1396773446, issued on Jun 29, 2006. Check the license (Pennsylvania MD044574E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Donald Lawrence Siegel
- Credential
- MD
- Primary taxonomy
- Clinical Pathology/Laboratory Medicine Physician 207ZP0105X
- License numbers
- MD044574E PA
MD044574R 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 29, 2006
- Record last updated
- Oct 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (215) 829-7564
- Medicaid ID
- 0015674780001 PA
- Medicare enrollment
- Enrolled (PECOS I20100405000393); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 1987
- Entity
- Type 1 · individual
8 nearest clinical pathology/laboratory medicine physician records → All 86 in Pennsylvania → Look up another NPI →
Also registered at 800 Spruce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmad Abdalla, MDInternal Medicine Physician1730981127
- Annabelle Abdo, DOObstetrics & Gynecology Physician1518583665
- Omar AbdounStudent in an Organized Health Care Education/Training Program1669260279
- Monica Aber, CRNPAcute Care Nurse Practitioner1922876820
- Jennifer Acquaviva, MPTSpecialist1346366820
- Sarah Adams, DOStudent in an Organized Health Care Education/Training Program1184327108
Verify Donald Lawrence Siegel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD044574ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Penn - Medical GroupDoylestown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Lawrence Siegel among 86 clinical pathology/laboratory medicine physician records in Pennsylvania
Donald Lawrence Siegel, MD is one of 86 clinical pathology/laboratory medicine physician records with a practice address in Pennsylvania. 55% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 38% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated1987 · median 1989 among the 36 with a school on file
- Record last updated2019 · 87% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0105X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Pathology/Laboratory Medicine Physician providers in Pennsylvania
There are 86 clinical pathology/laboratory medicine physician records in Pennsylvania.
All 86 in Pennsylvania → Every provider in Philadelphia → Clinical Pathology/Laboratory Medicine Physician nationwide →
The 8 clinical pathology/laboratory medicine physician records with the nearest ZIP codes
- Diana Alame, MDPhiladelphia, PA 191071194919605
- Nicole Aqui, MDPhiladelphia, PA 191071134157621
- Adam Bagg, MDPhiladelphia, PA 191071689619744
- Gabriel Caponetti, MDPhiladelphia, PA 191071225243553
- Malay Haldar, M.DPhiladelphia, PA 191071851521314
- Susan Inniss, MDPhiladelphia, PA 191071588652531
- Megan Lim, MDPhiladelphia, PA 191071467522888
- Warren Pear, MDPhiladelphia, PA 191071740225291
Common questions
What is Donald Lawrence Siegel, MD's NPI number?
Donald Lawrence Siegel, MD's National Provider Identifier (NPI) is 1396773446, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Lawrence Siegel, MD 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 Donald Lawrence Siegel, MD's license?
NPPES lists Pennsylvania license number MD044574E, 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 Donald Lawrence Siegel, 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.