NPPES file of Aug 9, 2026

Margaret Groff, M.D.

Family Medicine Physician · Mechanicsburg, PA

Margaret Groff, M.D. is a family medicine physician with a practice address in Mechanicsburg, Pennsylvania, and NPI 1073506945, issued on Aug 25, 2005. Check the license (Pennsylvania MD034743E, 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
1073506945
Name
Margaret Groff
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD034743E PA
Self-reported in NPPES; status is on the state search
Practice location
310 Lambs Gap RD, Mechanicsburg, PA 17050
Phone
(717) 591-1425
Enumerated
Aug 25, 2005
Record last updated
Nov 24, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(717) 591-1365
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 310 Lambs Gap RD

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

  1. John Brow, DC, DACNB, CNS, CRNPFamily Nurse Practitioner1972687895
  2. Angela Brubaker, NP-CFamily Nurse Practitioner1295062933
  3. Collin GillChiropractor1952941981
  4. Cassandra Haddad, CRNPFamily Nurse Practitioner1073801619
  5. Ross Marchegiani, DCNutrition Chiropractor1720551427
  6. Mark Mascari, DOAddiction Medicine (Family Medicine) Physician1356316707

Verify Margaret Groff 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 MD034743E
    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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100% fewer Medicare Part D claims than the average family medicine physician in 2024

12 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Margaret Groff12
  2. Specialty average3,544

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.

Margaret Groff among 7,483 family medicine physician records in Pennsylvania

Margaret Groff, M.D. is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2010 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

49 family medicine physician records list a practice address in Mechanicsburg

They are 49 of the 1,659 NPPES records with a practice address in Mechanicsburg, and 7,483 family medicine physician records in Pennsylvania.

The 8 family medicine physician records with the nearest ZIP codes

  1. Vanitha Abraham, M.D.Mechanicsburg, PA 170501124011101
  2. Ann Bogdan, MDMechanicsburg, PA 170501992762058
  3. Vernne Greiner, DOMechanicsburg, PA 170501255398319
  4. Richard Harker, MDMechanicsburg, PA 170501780670885
  5. Creston Herold, MDMechanicsburg, PA 170501184610289
  6. Charles Lowe, MDMechanicsburg, PA 170501841253119
  7. Valentine Osborn, DOMechanicsburg, PA 170501750348827
  8. Stephen Phillips, D.O.Mechanicsburg, PA 170501386629475

Common questions

What is Margaret Groff, M.D.'s NPI number?

Margaret Groff, M.D.'s National Provider Identifier (NPI) is 1073506945, issued on Aug 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Groff, M.D. located?

The NPPES record lists a practice address at 310 Lambs Gap RD, Mechanicsburg, PA, 17050. Phone: (717) 591-1425. Providers update this record themselves, so call before visiting.

How can I verify Margaret Groff, M.D.'s license?

NPPES lists Pennsylvania license number MD034743E, 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 Margaret Groff, M.D. prescribe under Medicare Part D?

In 2024, Margaret Groff, M.D. had 12 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.

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.