Christopher Charles Gregorich, PA-C
Physician Assistant · Hummelstown, PA
Christopher Charles Gregorich, PA-C is a physician assistant with a practice address in Hummelstown, Pennsylvania, and NPI 1730284829, issued on Sep 13, 2006. Check the license (Pennsylvania MA052685, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christopher Charles Gregorich
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MA052685 PA
Self-reported in NPPES; status is on the state search - Practice location
- 300 E Main St, Hummelstown, PA 17036
- Phone
- (717) 566-1100
- Enumerated
- Sep 13, 2006
- Record last updated
- Dec 17, 2024
- Fax
- (717) 566-0600
- Medicaid ID
- 1035691060001 PA
- Medicare enrollment
- Enrolled (PECOS I20061023000015); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
Also registered at 300 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Casale, PA-CPhysician Assistant1134604911
- Todd Fisher, MDFamily Medicine Physician1336104504
- Evelyn Hetherington, PTAPhysical Therapy Assistant1235554312
- Mary Karis, CRNPNurse Practitioner1790448355
- Timothy McDonald, MSPTPhysical Therapist1336307917
- Timothy Warren, DOFamily Medicine Physician1902435373
Verify Christopher Charles Gregorich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA052685Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.4 times the Medicare Part D claims of the average physician assistant in 2024
5,320 Medicare Part D claims for 472 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 67 claims were for opioids.
Most prescribed
- Atorvastatin Calcium417 claims
- Rosuvastatin Calcium232 claims
- Levothyroxine Sodium200 claims
- Amlodipine Besylate176 claims
- Pantoprazole Sodium164 claims
- Omeprazole151 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.
Industry payments in 2024: $304.83
18 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Family Practice Center PCMiddleburg, PA
- Phoenix Rehabilitation And Health Services IncCranberry Twp, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Charles Gregorich among 8,020 physician assistant records in Pennsylvania
Christopher Charles Gregorich, PA-C is one of 8,020 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 85% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2006 · median 2018 among the 5,313 with a school on file
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 physician assistant records list a practice address in Hummelstown
They are 9 of the 322 NPPES records with a practice address in Hummelstown, and 8,020 physician assistant records in Pennsylvania.
All 8,020 in Pennsylvania → Every provider in Hummelstown → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Amy Casale, PA-CHummelstown, PA 170361134604911
- Gwendolyn Collier, PA-CHummelstown, PA 170361790258911
- Emily Hoke, PA-CHummelstown, PA 170361144988114
- Emilie RoemerHummelstown, PA 170361154904324
- Abigail Stauffer, PA-CHummelstown, PA 170361144955345
- Alexandra SwihuraHummelstown, PA 170361154850287
- Geena Thomas, PA-CHummelstown, PA 170361750012837
- Kaitlin Zdilla, P.A.-CHummelstown, PA 170361881822815
Common questions
What is Christopher Charles Gregorich, PA-C's NPI number?
Christopher Charles Gregorich, PA-C's National Provider Identifier (NPI) is 1730284829, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Charles Gregorich, PA-C located?
The NPPES record lists a practice address at 300 E Main St, Hummelstown, PA, 17036. Phone: (717) 566-1100. Providers update this record themselves, so call before visiting.
How can I verify Christopher Charles Gregorich, PA-C's license?
NPPES lists Pennsylvania license number MA052685, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Christopher Charles Gregorich, PA-C prescribe under Medicare Part D?
In 2024, Christopher Charles Gregorich, PA-C had 5,320 Medicare Part D claims for 472 beneficiaries; the average among physician assistant prescribers was 830. 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.