Dr. Clark Renwick Herniman, DO
- Medicare services, 2024
- 74
- Medicare patients, 2024
- 35
- Part D claims, 2024
- 30
- Hospital affiliations
- 1
- Industry payments
- $2,434
- Practice address
- 2605 Circle Drive, Jamestown, ND 58401
- Practice phone
- Call (701) 253-3650
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Herniman'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.
Dr. Clark Renwick Herniman is a psychiatrist in Jamestown, North Dakota
Dr. Herniman practices at North Dakota State Hospital in Jamestown, North Dakota, part of State of North Dakota.
Dr. Herniman's NPI, 1720373996, was assigned on June 15, 2011. Dr. Herniman holds North Dakota license 13436.
- NPI
- 1720373996NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113160094
- NPI enumeration date
- June 15, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (701) 253-3650
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Clark Renwick Herniman practices at North Dakota State Hospital in Jamestown, North Dakota
Dr. Herniman's primary practice is North Dakota State Hospital, at 2605 Circle Drive, Jamestown, ND 58401 in Stutsman County. The practice phone is (701) 253-3650.
- North Dakota State Hospital2605 Circle Drive, Jamestown, ND 58401 · Stutsman CountyPhone(701) 253-3650
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Clark Renwick Herniman is affiliated with 1 site of care and 1 medical group
Dr. Herniman's primary practice is North Dakota State Hospital in Jamestown, North Dakota, part of State of North Dakota. The medical group on file is North Dakota State Hospital.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Clark Renwick Herniman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herniman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Dakota State Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Clark Renwick Herniman is one of 96 psychiatrists in North Dakota
Psychiatry is Dr. Herniman's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Herniman is licensed in North Dakota.
Specialties and state licenses
- Psychiatry, North DakotaPrimary
Psychiatrists near Dr. Herniman
Counts of psychiatrists 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
Dr. Clark Renwick Herniman billed Medicare for 74 services in 2024
CMS data shows 74 Medicare services from Dr. Herniman across 3 procedure codes in 2024, for 35 Medicare patients. Medicare paid $5,739 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Herniman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 02024: 49
- Tests and treatments
- 2023: 132024: 2592%
Dr. Herniman compared with the North Dakota median for psychiatrists, 2024
- Dr. Herniman
- North Dakota median
- Medicare services
- 74vs 16655% below
- Medicare patients
- 35vs 7251% below
- Part D claims
- 22vs 18588% below
Medians across 104 psychiatrists in North Dakota with Dmand AI profiles that report each measure.
Dr. Herniman's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Clark Renwick Herniman treated 35 Medicare patients in 2024, average age 49
CMS counts 35 Medicare patients who saw Dr. Herniman in 2024. 75% of them have anxiety, and 75% have mood disorders. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Dr. Herniman's Medicare patients by sex, 2024
- Women1646%
- Men1954%
Chronic conditions among Dr. Herniman's Medicare patients, 2024
- Anxiety75%
- Mood disorders75%
- Schizophrenia and other psychoses75%
- Alcohol and drug use disorders66%
- Depression66%
- Tobacco use63%
- High blood pressure60%
- High cholesterol57%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Clark Renwick Herniman wrote 30 Medicare Part D claims in 2024
In 2024, Dr. Herniman wrote 30 Medicare Part D claims. 93% of them were for generic drugs. CMS names the drug for 22 of them, across 2 drugs with 11 or more claims each, at $101 in total drug cost. In 2022, CMS named 19 claims across 1 drug.
Dr. Herniman's Part D claims by kind of drug, 2024
- Generic28 claims93%
- Brand-name and other2 claims7%
Dr. Herniman's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 192023: 2216%
Drugs named by CMS: 2 in 2023, 1 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Clark Renwick Herniman takes part in Medicare
Dr. Herniman 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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Dr. Clark Renwick Herniman received $2,434 in industry payments from 2016 to 2025
CMS Open Payments shows 153 general payments to Dr. Herniman from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $728.
General payments to Dr. Herniman by program year, 2016 to 2025
Companies that paid Dr. Herniman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Clark Renwick Herniman's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Clark Renwick Herniman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Clark Renwick Herniman's NPI number?
Dr. Clark Renwick Herniman's NPI number is 1720373996. It was assigned on June 15, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Clark Renwick Herniman?
Dr. Clark Renwick Herniman is a psychiatrist in Jamestown, North Dakota. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Clark Renwick Herniman practice?
Dr. Herniman practices at 2605 Circle Drive, Jamestown, ND 58401. Dr. Herniman's primary practice is North Dakota State Hospital in Jamestown, North Dakota, part of State of North Dakota.
What is Dr. Clark Renwick Herniman's office phone number?
The practice phone on file for Dr. Herniman is (701) 253-3650.
What is Dr. Clark Renwick Herniman's medical license number?
Dr. Herniman holds North Dakota license 13436.
Which hospitals is Dr. Clark Renwick Herniman affiliated with?
Dr. Herniman practices at North Dakota State Hospital in Jamestown, North Dakota.
What medical group is Dr. Clark Renwick Herniman part of?
Dr. Herniman is linked to North Dakota State Hospital.
Does Dr. Clark Renwick Herniman accept Medicare?
Yes. CMS data shows Dr. Herniman billed Medicare for 74 services in 2024, and Dr. Herniman accepts Medicare assignment.
How many Medicare patients does Dr. Clark Renwick Herniman see?
CMS counts 35 Medicare patients who saw Dr. Herniman in 2024, with an average age of 49.
What services does Dr. Clark Renwick Herniman bill to Medicare?
In 2024, Dr. Herniman's most billed Medicare services were hospital inpatient care (99232), psychiatric service (90792) and hospital inpatient care (99231).
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What drugs does Dr. Clark Renwick Herniman prescribe most?
In 2023 Medicare Part D data, Dr. Herniman's most prescribed drugs by claims were Omeprazole and Trazodone HCl.
Has Dr. Clark Renwick Herniman received payments from drug or device companies?
CMS Open Payments shows $2,434 in general payments to Dr. Herniman from 16 companies from 2016 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Clark Renwick Herniman been practicing?
Dr. Herniman's NPI was assigned in 2011.
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