Gregory A. Custer, PA-C

  • Indiana, PA
  • Physician assistant
NPI1043389976
Medicare patients, 2024
223
Part D claims, 2024
365
Hospital affiliations
1
Industry payments
$18
Medical groups
4
Practice address
835 Hospital Road, Indiana, PA 15701
Practice phone
Call (724) 357-7000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Indiana Regional Medical Center

Hospital · Indiana, Pennsylvania

See all 8 affiliations

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Gregory A. Custer is a physician assistant in Indiana, Pennsylvania

Gregory Custer practices at Indiana Regional Medical Center in Indiana, Pennsylvania, part of Mountains Health.

Gregory Custer's NPI, 1043389976, was assigned on November 7, 2006. Gregory Custer holds Pennsylvania license MA051350.

NPI and contact details
NPI enumeration date
November 7, 2006
NPI status
Active
Practice phone
(724) 357-7000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Gregory A. Custer practices at Indiana Regional Medical Center in Indiana, Pennsylvania

Gregory Custer's primary practice is Indiana Regional Medical Center, at 835 Hospital Road, Indiana, PA 15701 in Indiana County. The practice phone is (724) 357-7000.

Source: Dmand AI Affiliation Data

Gregory A. Custer is affiliated with 4 sites of care and 4 medical groups

Gregory Custer's primary practice is Indiana Regional Medical Center in Indiana, Pennsylvania, part of Mountains Health. The medical group on file is Conemaugh Physicians Group. Dmand AI also links Gregory Custer to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 8 affiliations for Gregory Custer

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Gregory A. Custer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Custer practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Indiana Regional Medical CenterAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Gregory A. Custer is one of 6,491 physician assistants in Pennsylvania

Physician assistant is Gregory Custer's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Gregory Custer is licensed in Pennsylvania.

Specialties and state licenses

  • Physician assistant, PennsylvaniaPrimaryLicense MA051350 · taxonomy 363A00000X

Physician assistants near Gregory Custer

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

Gregory A. Custer treated 223 Medicare patients in 2024, average age 74

CMS counts 223 Medicare patients who saw Gregory Custer in 2024. The largest group is 65 to 74, with 79 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Gregory Custer's median patient age at 41, with 52% women.

Medicare patients, 2024223
Average age74
Average risk score1.46
Also on Medicaid17%

Gregory Custer's Medicare patients by age, 2024

Gregory Custer's Medicare patients by sex, 2024

  • Women13561%
  • Men8839%

Chronic conditions among Gregory Custer's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol72%
  3. Arthritis57%
  4. Anxiety41%
  5. Mood disorders36%
  6. Ischemic heart disease35%
  7. Depression33%
  8. Diabetes30%

Share of Medicare patients with each condition. A patient can have several.

Gregory Custer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 41

Patient panel by sex, all payers

  • Women52%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Gregory A. Custer wrote 365 Medicare Part D claims in 2024

In 2024, Gregory Custer wrote 365 Medicare Part D claims for 269 patients. 96% of them were for generic drugs.

Part D claims, 2024365
Part D patients269

Gregory Custer's Part D claims by kind of drug, 2024

  • Generic349 claims96%
  • Brand-name and other16 claims4%

Drug classes CMS tracks in Gregory Custer's Part D claims, 2024

  • Opioids13%48 of 365 claims
  • Antibiotics44%160 of 365 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

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Gregory A. Custer received $18 in industry payments in 2025

CMS Open Payments shows 1 general payment to Gregory Custer from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $18.

Companies that paid Gregory Custer the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Gregory Custer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Gregory A. Custer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Gregory A. Custer

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Gregory A. Custer's NPI number?

Gregory A. Custer's NPI number is 1043389976. It was assigned on November 7, 2006, and it is active in the NPI Registry.

What does Gregory A. Custer specialize in?

Gregory A. Custer is a physician assistant in Indiana, Pennsylvania. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Gregory A. Custer practice?

Gregory Custer practices at 835 Hospital Road, Indiana, PA 15701. Gregory Custer's primary practice is Indiana Regional Medical Center in Indiana, Pennsylvania, part of Mountains Health. Dmand AI also links Gregory Custer to 3 group practices and clinics and 3 medical groups.

What is Gregory A. Custer's office phone number?

The practice phone on file for Gregory Custer is (724) 357-7000.

What is Gregory A. Custer's medical license number?

Gregory Custer holds Pennsylvania license MA051350.

Which hospitals is Gregory A. Custer affiliated with?

Gregory Custer practices at Indiana Regional Medical Center in Indiana, Pennsylvania.

What medical group is Gregory A. Custer part of?

Gregory Custer is linked to Conemaugh Physicians Group. Dmand AI links Gregory Custer to 3 more medical groups.

How many Medicare patients does Gregory A. Custer see?

CMS counts 223 Medicare patients who saw Gregory Custer in 2024, with an average age of 74.

Has Gregory A. Custer received payments from drug or device companies?

CMS Open Payments shows $18 in general payments to Gregory Custer from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.

How long has Gregory A. Custer been practicing?

Gregory Custer's NPI was assigned in 2006.

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