NPPES file of Aug 9, 2026

Margaret A. Riggs, PA

Medical Physician Assistant · Lancaster, PA

Margaret A. Riggs, PA is a medical physician assistant with a practice address in Lancaster, Pennsylvania, and NPI 1780840934, issued on Aug 6, 2008. Check the license (Pennsylvania MA057349, as entered in NPPES) with the Pennsylvania board that licenses this profession; 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
1780840934
Name
Margaret A. Riggs
Credential
PA
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
MA057349 PA
0110002822 VA
Self-reported in NPPES; status is on the state search
Practice location
1655 Crooked Oak Dr, Lancaster, PA 17601
Phone
(717) 569-2678
Enumerated
Aug 6, 2008
Record last updated
Sep 14, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(717) 569-1730
Medicaid IDs
1780840934 VA
8101118 NC
Medicare enrollment
Enrolled (PECOS I20150708000634); 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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Also registered at 1655 Crooked Oak Dr

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

  1. Beth Been, D.O.Family Medicine Physician1811982028
  2. Morgan ChristyFamily Nurse Practitioner1467068858
  3. Janaina Rachor, CRNPFamily Nurse Practitioner1447032636
  4. Margarite Waller, CRNPNurse Practitioner1316239593

Verify Margaret A. Riggs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license MA057349
    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
Find the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.5 times the Medicare Part D claims of the average medical physician assistant in 2024

4,014 Medicare Part D claims for 532 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 76 claims were for opioids.

  1. Margaret Riggs4,014
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium234 claims
  2. Lisinopril166 claims
  3. Levothyroxine Sodium156 claims
  4. Amlodipine Besylate136 claims
  5. Gabapentin120 claims
  6. Losartan Potassium110 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. Lancaster General Medical GroupLancaster, PA

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

Margaret A. Riggs among 3,897 medical physician assistant records in Pennsylvania

Margaret A. Riggs, PA is one of 3,897 medical physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 26% of them.

  • NPI issued2008 · 26% of these records are older, 69% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2008 · median 2015 among the 2,467 with a school on file
  • Record last updated2016 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

92 medical physician assistant records list a practice address in Lancaster

They are 92 of the 5,378 NPPES records with a practice address in Lancaster, and 3,897 medical physician assistant records in Pennsylvania.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Lori Brackbill, PA-CLancaster, PA 176011881971927
  2. Frank Brizzi, PA-CLancaster, PA 176011699933754
  3. John De Jesus, MS, PA-CLancaster, PA 176011740318583
  4. Melissa Destefano, PA-CLancaster, PA 176011265461313
  5. Rodney Hostetter, PA-CLancaster, PA 176011760636591
  6. Lavonne Johnston, PA-CLancaster, PA 176011669402053
  7. Christine Kurpiel, PA-CLancaster, PA 176011891742755
  8. Lucy Quinn, PA-CLancaster, PA 176011396896007

Common questions

What is Margaret A. Riggs, PA's NPI number?

Margaret A. Riggs, PA's National Provider Identifier (NPI) is 1780840934, issued on Aug 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Margaret A. Riggs, PA located?

The NPPES record lists a practice address at 1655 Crooked Oak Dr, Lancaster, PA, 17601. Phone: (717) 569-2678. Providers update this record themselves, so call before visiting.

How can I verify Margaret A. Riggs, PA's license?

NPPES lists Pennsylvania license number MA057349, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Margaret A. Riggs, PA prescribe under Medicare Part D?

In 2024, Margaret A. Riggs, PA had 4,014 Medicare Part D claims for 532 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.