Gregory Brian Cain, PA-C
- Medicare patients, 2024
- 70
- Part D claims, 2024
- 9,850
- Hospital affiliations
- 4
- Industry payments
- $284
- Medical group
- 1
- Practice address
- 1114 W Madison Ave, Athens, TN 37371
- Practice phone
- Call (423) 745-1411
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gregory Cain'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.
Gregory Brian Cain is a physician assistant in Athens, Tennessee
Gregory Cain practices at Starr Regional Medical Center in Athens, Tennessee, part of Lifepoint Health.
Gregory Cain's NPI, 1528388592, was assigned on June 1, 2010. Gregory Cain holds Tennessee license 1861.
- NPI
- 1528388592NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042404220
- NPI enumeration date
- June 1, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (423) 745-1411
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory Brian Cain practices at Starr Regional Medical Center in Athens, Tennessee
Gregory Cain's primary practice is Starr Regional Medical Center, at 1114 W Madison Ave, Athens, TN 37371 in Mc Minn County. The practice phone is (423) 745-1411.
- Starr Regional Medical Center1114 W Madison Ave, Athens, TN 37371 · Mc Minn CountyPhone(423) 745-1411
Source: Dmand AI Affiliation Data
Gregory Brian Cain is affiliated with 5 sites of care and 1 medical group
Gregory Cain's primary practice is Starr Regional Medical Center in Athens, Tennessee, part of Lifepoint Health. Gregory Cain is also affiliated with Covenant Health Parkwest. The medical group on file is United Primary Care. Dmand AI also links Gregory Cain to 2 more hospitals and 1 rural health clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Brian Cain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Cain practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Starr Regional Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Lifepoint Health and 6.2K+ hospitals, with verified contacts in the same login.
Gregory Brian Cain is one of 493 physician assistants in Tennessee
Medical is Gregory Cain's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Gregory Cain is licensed in Tennessee.
Specialties and state licenses
- Medical physician assistant, TennesseePrimary
Physician assistants near Gregory Cain
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 Brian Cain treated 70 Medicare patients in 2024, average age 71
CMS counts 70 Medicare patients who saw Gregory Cain in 2024. The largest group is 65 to 74, with 40 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.81, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gregory Cain's median patient age at 66, with 48% women.
Gregory Cain's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gregory Cain's Medicare patients by sex, 2024
- Women4260%
- Men2840%
Chronic conditions among Gregory Cain's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Diabetes39%
- Ischemic heart disease29%
- Anxiety20%
- Chronic kidney disease17%
- COPD16%
Share of Medicare patients with each condition. A patient can have several.
Gregory Cain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory Brian Cain wrote 9,850 Medicare Part D claims in 2024
In 2024, Gregory Cain wrote 9,850 Medicare Part D claims for 736 patients. 87% of them were for generic drugs.
Gregory Cain's Part D claims by kind of drug, 2024
- Generic8,529 claims87%
- Brand-name1,276 claims13%
- Other45 claims0%
Drug classes CMS tracks in Gregory Cain's Part D claims, 2024
- Opioids2%152 of 9,850 claims
- Antibiotics4%437 of 9,850 claims
- Antipsychotics, patients 65 and over0%15 of 9,850 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
How Gregory Brian Cain takes part in Medicare
Gregory Cain accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Gregory Brian Cain received $284 in industry payments in 2025
CMS Open Payments shows 20 general payments to Gregory Cain from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $103.
Companies that paid Gregory Cain 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 Gregory Brian Cain'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 Gregory Brian Cain
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 Brian Cain's NPI number?
Gregory Brian Cain's NPI number is 1528388592. It was assigned on June 1, 2010, and it is active in the NPI Registry.
What does Gregory Brian Cain specialize in?
Gregory Brian Cain is a physician assistant in Athens, Tennessee. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Gregory Brian Cain practice?
Gregory Cain practices at 1114 W Madison Ave, Athens, TN 37371. Gregory Cain's primary practice is Starr Regional Medical Center in Athens, Tennessee, part of Lifepoint Health. Dmand AI also links Gregory Cain to 2 hospitals and 1 rural health clinic.
What is Gregory Brian Cain's office phone number?
The practice phone on file for Gregory Cain is (423) 745-1411.
What is Gregory Brian Cain's medical license number?
Gregory Cain holds Tennessee license 1861.
Which hospitals is Gregory Brian Cain affiliated with?
Gregory Cain practices at Starr Regional Medical Center in Athens, Tennessee. Gregory Cain is also affiliated with Covenant Health Parkwest. Dmand AI links Gregory Cain to 2 more hospitals.
What medical group is Gregory Brian Cain part of?
Gregory Cain is linked to United Primary Care.
Does Gregory Brian Cain accept Medicare?
Yes. CMS lists Gregory Cain as accepting Medicare assignment.
How many Medicare patients does Gregory Brian Cain see?
CMS counts 70 Medicare patients who saw Gregory Cain in 2024, with an average age of 71.
Has Gregory Brian Cain received payments from drug or device companies?
CMS Open Payments shows $284 in general payments to Gregory Cain from 6 companies from 2025 to 2025. The largest total came from Pfizer Inc.
How long has Gregory Brian Cain been practicing?
Gregory Cain graduated from medical school in 2009, 17 years ago.
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