Dr. Jack O. Clark, MD
- Medicare services, 2024
- 251
- Medicare patients, 2024
- 153
- Part D claims, 2024
- 1,432
- Hospital affiliations
- 3
- Industry payments
- $119
- Practice address
- 410 West 1st North, Rexburg, ID 83440
- Practice phone
- Call (208) 359-7676
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Carriage Cove Rehab & Care
Skilled Nursing Facility · Rexburg, Idaho
Find Dr. 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.
Dr. Jack O. Clark is an internist in Rexburg, Idaho
Dr. Clark practices at Carriage Cove Rehab & Care in Rexburg, Idaho.
Dr. Clark's NPI, 1902992837, was assigned on October 5, 2006. Dr. Clark graduated from Pennsylvania State University College of Medicine in 1999. Dr. Clark holds Idaho license M-7743.
- NPI
- 1902992837NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264564491
- NPI enumeration date
- October 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (208) 359-7676
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jack O. Clark practices at Carriage Cove Rehab & Care in Rexburg, Idaho
Dr. Clark's primary practice is Carriage Cove Rehab & Care, at 410 West 1st North, Rexburg, ID 83440 in Madison County. The practice phone is (208) 359-7676.
- Carriage Cove Rehab & Care410 West 1st North, Rexburg, ID 83440 · Madison CountyPhone(208) 359-7676
Source: Dmand AI Affiliation Data
Dr. Jack O. Clark is affiliated with 4 sites of care and 2 medical groups
Dr. Clark's primary practice is Carriage Cove Rehab & Care in Rexburg, Idaho. Dr. Clark is also affiliated with Madison Memorial Hospital. The medical group on file is Rexburg Medical. Dmand AI also links Dr. Clark to 2 more hospitals and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jack O. Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Carriage Cove Rehab & Care | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jack O. Clark is one of 419 internists in Idaho
Internal medicine is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Clark is licensed in Idaho.
Specialties and state licenses
- Internal medicine, IdahoPrimary
Internists near Dr. Clark
Counts of internists 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. Jack O. Clark billed Medicare for 251 services in 2024
CMS data shows 251 Medicare services from Dr. Clark across 8 procedure codes in 2024, for 153 Medicare patients. Medicare paid $20,633 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Clark's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5082024: 23554%
- Tests and treatments
- 2023: 412024: 1661%
Dr. Clark compared with the Idaho median for internists, 2024
- Dr. Clark
- Idaho median
- Medicare services
- 251vs 42541% below
- Medicare patients
- 153vs 20826% below
- Part D claims
- 1,129vs 1189.6 times
Medians across 407 internists in Idaho with Dmand AI profiles that report each measure.
Dr. Clark'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Clark and other internists in Idaho.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jack O. Clark treated 153 Medicare patients in 2024, average age 76
CMS counts 153 Medicare patients who saw Dr. Clark in 2024. The largest group is 75 to 84, with 48 patients. 75% of them have high blood pressure, and 64% have arthritis. 20% are also on Medicaid. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Clark's median patient age at 71, with 57% women.
Dr. Clark's Medicare patients by age, 2024
Dr. Clark's Medicare patients by sex, 2024
- Women7247%
- Men8153%
Chronic conditions among Dr. Clark's Medicare patients, 2024
- High blood pressure75%
- Arthritis64%
- High cholesterol54%
- Diabetes42%
- Anxiety37%
- Atrial fibrillation37%
- COPD36%
- Ischemic heart disease36%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 71
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jack O. Clark wrote 1,432 Medicare Part D claims in 2024
In 2024, Dr. Clark wrote 1,432 Medicare Part D claims for 76 patients. 89% of them were for generic drugs. CMS names the drug for 1,129 of them, across 51 drugs with 11 or more claims each, at $61,519 in total drug cost. In 2023, CMS named 1,334 claims across 52 drugs.
Dr. Clark's Part D claims by kind of drug, 2024
- Generic1,274 claims89%
- Brand-name158 claims11%
Dr. Clark's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Clark's Part D claims, 2024
- Opioids5%78 of 1,432 claims
- Antibiotics4%58 of 1,432 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,3342024: 1,12915%
Drugs named by CMS: 51 in 2024, 52 in 2023.
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. Jack O. Clark takes part in Medicare
Dr. 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)
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Dr. Jack O. Clark received $119 in industry payments from 2017 to 2024
CMS Open Payments shows 4 general payments to Dr. Clark from 3 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $80.
General payments to Dr. Clark by program year, 2017 to 2024
Companies that paid Dr. Clark the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jack O. Clark graduated from Pennsylvania State University College of Medicine
Dr. Clark graduated from Pennsylvania State University College of Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jack O. 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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Jack O. 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 Dr. Jack O. Clark's NPI number?
Dr. Jack O. Clark's NPI number is 1902992837. It was assigned on October 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jack O. Clark?
Dr. Jack O. Clark is an internist in Rexburg, Idaho. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jack O. Clark practice?
Dr. Clark practices at 410 West 1st North, Rexburg, ID 83440. Dr. Clark's primary practice is Carriage Cove Rehab & Care in Rexburg, Idaho. Dmand AI also links Dr. Clark to 2 hospitals and 1 medical group.
What is Dr. Jack O. Clark's office phone number?
The practice phone on file for Dr. Clark is (208) 359-7676.
What is Dr. Jack O. Clark's medical license number?
Dr. Clark holds Idaho license M-7743.
Which hospitals is Dr. Jack O. Clark affiliated with?
Dr. Clark is affiliated with Madison Memorial Hospital. Dmand AI links Dr. Clark to 2 more hospitals.
What medical group is Dr. Jack O. Clark part of?
Dr. Clark is linked to Rexburg Medical. Dmand AI links Dr. Clark to 1 more medical group.
Does Dr. Jack O. Clark accept Medicare?
Yes. CMS data shows Dr. Clark billed Medicare for 251 services in 2024, and Dr. Clark accepts Medicare assignment.
How many Medicare patients does Dr. Jack O. Clark see?
CMS counts 153 Medicare patients who saw Dr. Clark in 2024, with an average age of 76.
What services does Dr. Jack O. Clark bill to Medicare?
In 2024, Dr. Clark's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
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Where did Dr. Jack O. Clark go to medical school?
Dr. Clark graduated from Pennsylvania State University College of Medicine in 1999.
What drugs does Dr. Jack O. Clark prescribe most?
In 2024 Medicare Part D data, Dr. Clark's most prescribed drugs by claims were Warfarin Sodium, Gabapentin and Duloxetine HCl.
Has Dr. Jack O. Clark received payments from drug or device companies?
CMS Open Payments shows $119 in general payments to Dr. Clark from 3 companies from 2017 to 2024. The largest total came from Stryker Corporation.
How long has Dr. Jack O. Clark been practicing?
Dr. Clark graduated from medical school in 1999, 27 years ago.
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