James Michael Clark, CRNA
- Medicare patients, 2024
- 149
- Hospital affiliations
- 2
- Industry payments
- $20
- Medical groups
- 4
- State license
- 1
- Practice address
- 4397 Ronald Reagan Blvd, Johnstown, CO 80534
- Practice phone
- Call (970) 663-3200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arete Surgical Centers
Surgery Center - Medicare-Certified · Johnstown, Colorado
Find James 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.
James Michael Clark is a nurse anesthetist in Johnstown, Colorado
James Clark practices at Arete Surgical Centers in Johnstown, Colorado.
James Clark's NPI, 1518167600, was assigned on July 18, 2007. James Clark holds Colorado license APN.0996173-CRNA.
- NPI
- 1518167600NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385739796
- NPI enumeration date
- July 18, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (970) 663-3200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
James Michael Clark practices at Arete Surgical Centers in Johnstown, Colorado
James Clark's primary practice is Arete Surgical Centers, at 4397 Ronald Reagan Blvd, Johnstown, CO 80534. The practice phone is (970) 663-3200.
- Arete Surgical Centers4397 Ronald Reagan Blvd, Johnstown, CO 80534Phone(970) 663-3200
Source: Dmand AI Affiliation Data
James Michael Clark is affiliated with 7 sites of care and 4 medical groups
James Clark's primary practice is Arete Surgical Centers in Johnstown, Colorado. James Clark is also affiliated with UCHealth Poudre Valley Hospital. The medical group on file is Northern Colorado Anesthesia Professionals. Dmand AI also links James Clark to 1 more hospital, 4 group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at James Michael Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Clark practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arete Surgical Centers | Available with a free account |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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James Michael Clark is one of 823 nurse anesthetists in Colorado
Nurse anesthetist, certified registered is James Clark's primary specialty in the NPI Registry, under taxonomy code 367500000X. James Clark is licensed in Colorado.
Specialties and state licenses
- Certified registered nurse anesthetist, ColoradoPrimary
Nurse anesthetists near James 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
James Michael Clark treated 149 Medicare patients in 2024, average age 73
CMS counts 149 Medicare patients who saw James Clark in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts James Clark's median patient age at 74, with 59% women.
James Clark's Medicare patients by age, 2024
James Clark's Medicare patients by sex, 2024
- Women7953%
- Men7047%
Chronic conditions among James Clark's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis66%
- Diabetes34%
- Mood disorders34%
- Depression32%
- Ischemic heart disease30%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
James 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 74
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How James Michael Clark takes part in Medicare
James 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)
James Michael Clark received $20 in industry payments in 2025
CMS Open Payments shows 1 general payment to James Clark from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $20.
Companies that paid James 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 James Michael 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 James Michael 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 James Michael Clark's NPI number?
James Michael Clark's NPI number is 1518167600. It was assigned on July 18, 2007, and it is active in the NPI Registry.
What does James Michael Clark specialize in?
James Michael Clark is a nurse anesthetist in Johnstown, Colorado. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does James Michael Clark practice?
James Clark practices at 4397 Ronald Reagan Blvd, Johnstown, CO 80534. James Clark's primary practice is Arete Surgical Centers in Johnstown, Colorado. Dmand AI also links James Clark to 1 hospital, 4 group practices and clinics and 3 medical groups.
What is James Michael Clark's office phone number?
The practice phone on file for James Clark is (970) 663-3200.
What is James Michael Clark's medical license number?
James Clark holds Colorado license APN.0996173-CRNA.
Which hospitals is James Michael Clark affiliated with?
James Clark is affiliated with UCHealth Poudre Valley Hospital. Dmand AI links James Clark to 1 more hospital.
What medical group is James Michael Clark part of?
James Clark is linked to Northern Colorado Anesthesia Professionals. Dmand AI links James Clark to 3 more medical groups.
Does James Michael Clark accept Medicare?
Yes. CMS lists James Clark as accepting Medicare assignment.
How many Medicare patients does James Michael Clark see?
CMS counts 149 Medicare patients who saw James Clark in 2024, with an average age of 73.
Has James Michael Clark received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to James Clark from 1 company from 2025 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has James Michael Clark been practicing?
James Clark graduated from medical school in 2007, 19 years ago.
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