NPPES file of Aug 9, 2026

Samantha L. Keiter, PAC

Medical Physician Assistant · Prince Frederick, MD

Samantha L. Keiter, PAC is a medical physician assistant with a practice address in Prince Frederick, Maryland, and NPI 1700215431, issued on Nov 4, 2013. Check the license (Maryland C05217, as entered in NPPES) with the Maryland 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700215431
Name
Samantha L. Keiter
Credential
PAC
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
C05217 MD
Self-reported in NPPES; status is on the state search
Practice location
110 Hospital RD, Prince Frederick, MD 20678
Phone
(410) 535-2005
Enumerated
Nov 4, 2013
Record last updated
Aug 11, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(410) 535-5761
Medicare enrollment
Enrolled (PECOS I20140109000439); 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 110 Hospital RD

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

  1. Bilal Ahmed, MDHematology & Oncology Physician1093984411
  2. Ruby Alonzo, M.D.Obstetrics & Gynecology Physician1386776193
  3. Bruce Beck, M.D.Orthopaedic Surgery Physician1447309539
  4. Cassius Belfonte, MDCardiovascular Disease Physician1093978322
  5. Gerlynn Calvaire, PHARMDPharmacist1528657095
  6. Richard Cirillo, M.D.Orthopaedic Surgery Physician1144379173

Verify Samantha L. Keiter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license C05217
    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 Maryland 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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3.4 times the Medicare Part D claims of the average medical physician assistant in 2024

3,890 Medicare Part D claims for 356 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 15 claims were for opioids.

  1. Samantha Keiter3,890
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium286 claims
  2. Amlodipine Besylate157 claims
  3. Rosuvastatin Calcium153 claims
  4. Levothyroxine Sodium150 claims
  5. Lisinopril129 claims
  6. Losartan Potassium127 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 practice group's MIPS final score for 2023 (Medicare payment program): 88 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 score95.3
  2. Costout of 100 · 30%66.3
  3. Promoting interoperabilityout of 100 · 25%98.0
  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. Calvert Internal Medicine Group, PADunkirk, MD

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

Samantha L. Keiter among 871 medical physician assistant records in Maryland

Samantha L. Keiter, PAC is one of 871 medical physician assistant records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 60% of them.

  • NPI issued2013 · 60% of these records are older, 36% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2013 · median 2012 among the 469 with a school on file
  • Record last updated2017 · 63% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Maryland

There are 871 medical physician assistant records in Maryland.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Christina Athens, P.A.Prince Frederick, MD 206781457305682
  2. Kenneth Ferrera, PA-CPrince Frederick, MD 206781164899241
  3. Stephanie Hickcox, PA-CPrince Frederick, MD 206781598276826
  4. John LeroyPrince Frederick, MD 206781295774438
  5. Kelly Mack, PA-CPrince Frederick, MD 206781396813960
  6. Meghan Pocius, PA-CWhite Plains, MD 206951326297920
  7. Gladys Wilkins, PA-CWhite Plains, MD 206951992952949
  8. Katherine Swan, PA-CLusby, MD 206571366606493

Common questions

What is Samantha L. Keiter, PAC's NPI number?

Samantha L. Keiter, PAC's National Provider Identifier (NPI) is 1700215431, issued on Nov 4, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Samantha L. Keiter, PAC located?

The NPPES record lists a practice address at 110 Hospital RD, Prince Frederick, MD, 20678. Phone: (410) 535-2005. Providers update this record themselves, so call before visiting.

How can I verify Samantha L. Keiter, PAC's license?

NPPES lists Maryland license number C05217, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Samantha L. Keiter, PAC prescribe under Medicare Part D?

In 2024, Samantha L. Keiter, PAC had 3,890 Medicare Part D claims for 356 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Samantha L. Keiter, PAC's MIPS final score?

The 2023 MIPS final score is 88 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.