Christopher Charles Gregorich, PA-C
- Medicare patients, 2024
- 135
- Part D claims, 2024
- 5,320
- Hospital affiliations
- 1
- Industry payments
- $274
- Medical groups
- 3
- Practice address
- 300 E Main St, Hummelstown, PA 17036
- Practice phone
- Call (717) 566-1100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Todd R. Fisher MD
Hummelstown, Pennsylvania
Find Christopher Gregorich's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Christopher Charles Gregorich is a physician assistant in Hummelstown, Pennsylvania
Christopher Gregorich practices at Todd R. Fisher MD in Hummelstown, Pennsylvania.
Christopher Gregorich's NPI, 1730284829, was assigned on September 13, 2006. Christopher Gregorich holds Pennsylvania license MA052685.
- NPI
- 1730284829NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123025830
- NPI enumeration date
- September 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (717) 566-1100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Christopher Charles Gregorich practices at Todd R. Fisher MD in Hummelstown, Pennsylvania
Christopher Gregorich's primary practice is Todd R. Fisher MD, at 300 E Main St, Hummelstown, PA 17036 in Dauphin County. The practice phone is (717) 566-1100.
- Todd R. Fisher MD300 E Main St, Hummelstown, PA 17036 · Dauphin CountyPhone(717) 566-1100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Christopher Charles Gregorich is affiliated with 5 sites of care and 3 medical groups
Christopher Gregorich's primary practice is Todd R. Fisher MD in Hummelstown, Pennsylvania. Christopher Gregorich is also affiliated with Penn State Health Milton S. Hershey Medical Center. The medical group on file is Phoenix Physical Therapy. Dmand AI also links Christopher Gregorich to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Christopher Charles Gregorich's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Gregorich practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Todd R. Fisher MD | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Christopher Charles Gregorich is one of 6,491 physician assistants in Pennsylvania
Physician assistant is Christopher Gregorich's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Christopher Gregorich is licensed in Pennsylvania.
Specialties and state licenses
- Physician assistant, PennsylvaniaPrimary
Physician assistants near Christopher Gregorich
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Christopher Charles Gregorich treated 135 Medicare patients in 2024, average age 72
CMS counts 135 Medicare patients who saw Christopher Gregorich in 2024. The largest group is 65 to 74, with 89 patients. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.79, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christopher Gregorich's median patient age at 64, with 59% women.
Christopher Gregorich's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Christopher Gregorich's Medicare patients by sex, 2024
- Women5944%
- Men7656%
Chronic conditions among Christopher Gregorich's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis50%
- Diabetes27%
- Chronic kidney disease19%
- Ischemic heart disease17%
- Anxiety16%
- Mood disorders16%
Share of Medicare patients with each condition. A patient can have several.
Christopher Gregorich's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christopher Charles Gregorich wrote 5,320 Medicare Part D claims in 2024
In 2024, Christopher Gregorich wrote 5,320 Medicare Part D claims for 472 patients. 90% of them were for generic drugs.
Christopher Gregorich's Part D claims by kind of drug, 2024
- Generic4,799 claims90%
- Brand-name488 claims9%
- Other33 claims1%
Drug classes CMS tracks in Christopher Gregorich's Part D claims, 2024
- Opioids1%67 of 5,320 claims
- Antibiotics4%211 of 5,320 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Christopher Charles Gregorich offers telehealth to Medicare patients
Christopher Gregorich accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Christopher Gregorich as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Christopher Charles Gregorich received $274 in industry payments in 2025
CMS Open Payments shows 15 general payments to Christopher Gregorich from 9 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $93.
Companies that paid Christopher Gregorich the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Christopher Charles Gregorich's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Christopher Charles Gregorich
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christopher Charles Gregorich's NPI number?
Christopher Charles Gregorich's NPI number is 1730284829. It was assigned on September 13, 2006, and it is active in the NPI Registry.
What does Christopher Charles Gregorich specialize in?
Christopher Charles Gregorich is a physician assistant in Hummelstown, Pennsylvania. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Christopher Charles Gregorich practice?
Christopher Gregorich practices at 300 E Main St, Hummelstown, PA 17036. Christopher Gregorich's primary practice is Todd R. Fisher MD in Hummelstown, Pennsylvania. Dmand AI also links Christopher Gregorich to 3 group practices and clinics and 2 medical groups.
What is Christopher Charles Gregorich's office phone number?
The practice phone on file for Christopher Gregorich is (717) 566-1100.
What is Christopher Charles Gregorich's medical license number?
Christopher Gregorich holds Pennsylvania license MA052685.
Which hospitals is Christopher Charles Gregorich affiliated with?
Christopher Gregorich is affiliated with Penn State Health Milton S. Hershey Medical Center.
What medical group is Christopher Charles Gregorich part of?
Christopher Gregorich is linked to Phoenix Physical Therapy. Dmand AI links Christopher Gregorich to 2 more medical groups.
Does Christopher Charles Gregorich accept Medicare?
Yes. CMS lists Christopher Gregorich as accepting Medicare assignment.
Does Christopher Charles Gregorich offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Christopher Gregorich as offering telehealth services.
How many Medicare patients does Christopher Charles Gregorich see?
CMS counts 135 Medicare patients who saw Christopher Gregorich in 2024, with an average age of 72.
Has Christopher Charles Gregorich received payments from drug or device companies?
CMS Open Payments shows $274 in general payments to Christopher Gregorich from 9 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Christopher Charles Gregorich been practicing?
Christopher Gregorich graduated from medical school in 2006, 20 years ago.
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