Gregory W. Clark, CRNA
- Medicare patients, 2024
- 310
- Hospital affiliations
- 1
- Industry payments
- $154
- Medical groups
- 6
- State license
- 1
- Practice address
- 100 Knowlson Avenue, Beaver Falls, PA 15010
- Practice phone
- Call (724) 891-2100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Four Seasons Endoscopy Center
Surgery Center - Medicare-Certified · Beaver Falls, Pennsylvania
Find Gregory Clark'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 W. Clark is a nurse anesthetist in Beaver Falls, Pennsylvania
Gregory Clark practices at Four Seasons Endoscopy Center in Beaver Falls, Pennsylvania.
Gregory Clark's NPI, 1376776633, was assigned on September 2, 2009. Gregory Clark holds Pennsylvania license RN550651.
- NPI
- 1376776633NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395886998
- NPI enumeration date
- September 2, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (724) 891-2100
- 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 W. Clark practices at Four Seasons Endoscopy Center in Beaver Falls, Pennsylvania
Gregory Clark's primary practice is Four Seasons Endoscopy Center, at 100 Knowlson Avenue, Beaver Falls, PA 15010. The practice phone is (724) 891-2100.
- Four Seasons Endoscopy Center100 Knowlson Avenue, Beaver Falls, PA 15010Phone(724) 891-2100
Source: Dmand AI Affiliation Data
Gregory W. Clark is affiliated with 3 sites of care and 6 medical groups
Gregory Clark's primary practice is Four Seasons Endoscopy Center in Beaver Falls, Pennsylvania. Gregory Clark is also affiliated with WVU Medicine Harrison Community Hospital. The medical group on file is Valley Gastroenterology Associates. Dmand AI also links Gregory Clark to 5 more medical groups and 1 group practice or 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 W. Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Clark practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Four Seasons Endoscopy Center | Available with a free account |
| +2 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory W. Clark is one of 3,504 nurse anesthetists in Pennsylvania
Nurse anesthetist, certified registered is Gregory Clark's primary specialty in the NPI Registry, under taxonomy code 367500000X. Gregory Clark is licensed in Pennsylvania.
Specialties and state licenses
- Certified registered nurse anesthetist, PennsylvaniaPrimary
Nurse anesthetists near Gregory Clark
Counts of nurse anesthetists 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 W. Clark treated 310 Medicare patients in 2024, average age 71
CMS counts 310 Medicare patients who saw Gregory Clark in 2024. The largest group is 65 to 74, with 220 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gregory Clark's median patient age at 63, with 54% women.
Gregory Clark's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gregory Clark's Medicare patients by sex, 2024
- Women17657%
- Men13443%
Chronic conditions among Gregory Clark's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis49%
- Anxiety30%
- Diabetes26%
- Mood disorders20%
- Depression19%
- Ischemic heart disease17%
Share of Medicare patients with each condition. A patient can have several.
Gregory Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Gregory W. Clark takes part in Medicare
Gregory Clark 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)
Gregory W. Clark received $154 in industry payments in 2025
CMS Open Payments shows 7 general payments to Gregory Clark from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $50.
Companies that paid Gregory Clark 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 W. Clark'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) |
| 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 W. Clark
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 W. Clark's NPI number?
Gregory W. Clark's NPI number is 1376776633. It was assigned on September 2, 2009, and it is active in the NPI Registry.
What does Gregory W. Clark specialize in?
Gregory W. Clark is a nurse anesthetist in Beaver Falls, Pennsylvania. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does Gregory W. Clark practice?
Gregory Clark practices at 100 Knowlson Avenue, Beaver Falls, PA 15010. Gregory Clark's primary practice is Four Seasons Endoscopy Center in Beaver Falls, Pennsylvania. Dmand AI also links Gregory Clark to 5 medical groups and 1 group practice or clinic.
What is Gregory W. Clark's office phone number?
The practice phone on file for Gregory Clark is (724) 891-2100.
What is Gregory W. Clark's medical license number?
Gregory Clark holds Pennsylvania license RN550651.
Which hospitals is Gregory W. Clark affiliated with?
Gregory Clark is affiliated with WVU Medicine Harrison Community Hospital.
What medical group is Gregory W. Clark part of?
Gregory Clark is linked to Valley Gastroenterology Associates. Dmand AI links Gregory Clark to 5 more medical groups.
Does Gregory W. Clark accept Medicare?
Yes. CMS lists Gregory Clark as accepting Medicare assignment.
How many Medicare patients does Gregory W. Clark see?
CMS counts 310 Medicare patients who saw Gregory Clark in 2024, with an average age of 71.
Has Gregory W. Clark received payments from drug or device companies?
CMS Open Payments shows $154 in general payments to Gregory Clark from 5 companies from 2025 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Gregory W. Clark been practicing?
Gregory Clark graduated from medical school in 2009, 17 years ago.
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