NPPES file of Aug 9, 2026

Benjamin Greb, PA-C

Medical Physician Assistant · Mechanicsburg, PA

Benjamin Greb, PA-C is a medical physician assistant with a practice address in Mechanicsburg, Pennsylvania, and NPI 1326777293, issued on Jun 7, 2022. Check the license (Pennsylvania MA063657, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326777293
Name
Benjamin Greb
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
MA063657 PA
Self-reported in NPPES; status is on the state search
Practice location
21 Waterford Dr, Mechanicsburg, PA 17050
Phone
(717) 591-3630
Enumerated
Jun 7, 2022
Record last updated
Dec 20, 2022
Medicare enrollment
Enrolled (PECOS I20220725002527); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 21 Waterford Dr

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

  1. Jay Bollinger, PTPhysical Therapist1124080510
  2. Kate Brown, CRNPFamily Nurse Practitioner1477903565
  3. Larisa Fritz, MDAllergy & Immunology Physician1235441999
  4. Megan Greevy, RD, LDNRegistered Dietitian1063810042
  5. Ashley Hamilton, CRNPFamily Nurse Practitioner1578394771
  6. Ellie Hillard, CRNPFamily Nurse Practitioner1396397253

Verify Benjamin Greb 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 MA063657
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

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

2,985 Medicare Part D claims for 566 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Benjamin Greb2,985
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium243 claims
  2. Amlodipine Besylate115 claims
  3. Losartan Potassium98 claims
  4. Lisinopril74 claims
  5. Rosuvastatin Calcium74 claims
  6. Hydrochlorothiazide73 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): 82.5 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 score76.6
  2. Costout of 100 · 30%65.2
  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 2 group practices

  1. Phoenix Rehabilitation And Health Services IncCranberry Twp, PA
  2. Pinnacle Health Medical ServicesMechanicsburg, PA

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

Benjamin Greb among 3,897 medical physician assistant records in Pennsylvania

Benjamin Greb, PA-C 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 2022, is newer than 83% of them.

  • NPI issued2022 · 83% of these records are older, 13% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2022 · median 2015 among the 2,467 with a school on file
  • Record last updated2022 · 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).

23 medical physician assistant records list a practice address in Mechanicsburg

They are 23 of the 1,659 NPPES records with a practice address in Mechanicsburg, and 3,897 medical physician assistant records in Pennsylvania.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Bianca Angello, PA-CMechanicsburg, PA 170501205661758
  2. Jacky Chen, PA-CMechanicsburg, PA 170501104491265
  3. Rachel ChenMechanicsburg, PA 170501710614706
  4. Amber Dagostino, PA-CMechanicsburg, PA 170501679984694
  5. Julia Deputy, PACMechanicsburg, PA 170501851388839
  6. Jennifer Gacka, PA-CMechanicsburg, PA 170501023167822
  7. Suzanne Glossner, PA-CMechanicsburg, PA 170501164588034
  8. Kaitlin Hellyer, PA-CMechanicsburg, PA 170501992055313

Common questions

What is Benjamin Greb, PA-C's NPI number?

Benjamin Greb, PA-C's National Provider Identifier (NPI) is 1326777293, issued on Jun 7, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Greb, PA-C located?

The NPPES record lists a practice address at 21 Waterford Dr, Mechanicsburg, PA, 17050. Phone: (717) 591-3630. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Greb, PA-C's license?

NPPES lists Pennsylvania license number MA063657, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Benjamin Greb, PA-C prescribe under Medicare Part D?

In 2024, Benjamin Greb, PA-C had 2,985 Medicare Part D claims for 566 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Benjamin Greb, PA-C's MIPS final score?

The 2023 MIPS final score is 82.5 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.