Mark Kirk Jr.
- Medicare services, 2024
- 829
- Medicare patients, 2024
- 353
- Part D claims, 2024
- 220
- Hospital affiliations
- 6
- Industry payments
- $204
- Practice address
- 415 Sixth Street, Lewiston, ID 83501
- Practice phone
- Call (208) 799-5300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mark Kirk'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.
Mark Kirk Jr. is an internist in Lewiston, Idaho
Mark Kirk practices at St. Joseph Regional Medical Center in Lewiston, Idaho, part of Lifepoint Health.
Mark Kirk's NPI, 1477180107, was assigned on March 24, 2020. Mark Kirk holds Arizona license 70907.
- NPI
- 1477180107NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567816879
- NPI enumeration date
- March 24, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (208) 799-5300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Kirk Jr. practices at St. Joseph Regional Medical Center in Lewiston, Idaho
Mark Kirk's primary practice is St. Joseph Regional Medical Center, at 415 Sixth Street, Lewiston, ID 83501 in Nez Perce County. The practice phone is (208) 799-5300.
- St. Joseph Regional Medical Center415 Sixth Street, Lewiston, ID 83501 · Nez Perce CountyPhone(208) 799-5300
Source: Dmand AI Affiliation Data
Mark Kirk Jr. is affiliated with 7 sites of care and 12 medical groups
Mark Kirk's primary practice is St. Joseph Regional Medical Center in Lewiston, Idaho, part of Lifepoint Health. Mark Kirk is also affiliated with Atlantic Health CentraState Medical Center. The medical group on file is Sound Physicians. Dmand AI also links Mark Kirk to 4 more hospitals, 11 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 Mark Kirk Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Kirk practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Joseph Regional Medical Center | Available with a free account |
| +6 more sites and 11 medical groups | 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.
Mark Kirk Jr. is one of 419 internists in Idaho
Internal medicine is Mark Kirk's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Mark Kirk is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Mark Kirk
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
Mark Kirk Jr. billed Medicare for 829 services in 2024
CMS data shows 829 Medicare services from Mark Kirk across 4 procedure codes in 2024, for 353 Medicare patients. Medicare paid $69,442 for them. Every service was in a facility, such as a hospital, rather than an office.
Mark Kirk's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 542024: 8291435%
Mark Kirk compared with the Idaho median for internists, 2024
- Mark Kirk
- Idaho median
- Medicare services
- 829vs 42595% above
- Medicare patients
- 353vs 20870% above
- Part D claims
- 45vs 11862% below
Medians across 407 internists in Idaho with Dmand AI profiles that report each measure.
Mark Kirk'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.
Need commercial claims for Mark Kirk?
Medicare shows one payer. Book a meeting to get commercial claims data for Mark Kirk and other internists in Idaho.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Mark Kirk Jr. treated 353 Medicare patients in 2024, average age 75
CMS counts 353 Medicare patients who saw Mark Kirk in 2024. The largest group is 75 to 84, with 131 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.89, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mark Kirk's median patient age at 71, with 45% women.
Mark Kirk's Medicare patients by age, 2024
Mark Kirk's Medicare patients by sex, 2024
- Women16747%
- Men18653%
Chronic conditions among Mark Kirk's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Ischemic heart disease45%
- Atrial fibrillation44%
- Heart failure44%
- Diabetes43%
- Mood disorders43%
Share of Medicare patients with each condition. A patient can have several.
Mark Kirk'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
- Women45%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark Kirk Jr. wrote 220 Medicare Part D claims in 2024
In 2024, Mark Kirk wrote 220 Medicare Part D claims for 106 patients. 85% of them were for generic drugs. CMS names the drug for 45 of them, across 4 drugs with 11 or more claims each, at $6,814 in total drug cost.
Mark Kirk's Part D claims by kind of drug, 2024
- Generic188 claims85%
- Brand-name32 claims15%
Mark Kirk'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 Mark Kirk's Part D claims, 2024
- Opioids8%17 of 220 claims
- Antibiotics17%37 of 220 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 Mark Kirk Jr. takes part in Medicare
Mark Kirk 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Mark Kirk Jr. received $204 in industry payments in 2023
CMS Open Payments shows 4 general payments to Mark Kirk from 3 drug and device companies in 2023. Food and beverage make up the largest share, 100% of the total. ShockWave Medical, Inc paid the most, $142.
Companies that paid Mark Kirk the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mark Kirk Jr.'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) |
| 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 Mark Kirk Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Kirk Jr.'s NPI number?
Mark Kirk Jr.'s NPI number is 1477180107. It was assigned on March 24, 2020, and it is active in the NPI Registry.
What does Mark Kirk Jr. specialize in?
Mark Kirk Jr. is an internist in Lewiston, Idaho. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Mark Kirk Jr. practice?
Mark Kirk practices at 415 Sixth Street, Lewiston, ID 83501. Mark Kirk's primary practice is St. Joseph Regional Medical Center in Lewiston, Idaho, part of Lifepoint Health. Dmand AI also links Mark Kirk to 4 hospitals, 11 medical groups and 1 group practice or clinic.
What is Mark Kirk Jr.'s office phone number?
The practice phone on file for Mark Kirk is (208) 799-5300.
What is Mark Kirk Jr.'s medical license number?
Mark Kirk holds Arizona license 70907.
Which hospitals is Mark Kirk Jr. affiliated with?
Mark Kirk practices at St. Joseph Regional Medical Center in Lewiston, Idaho. Mark Kirk is also affiliated with Atlantic Health CentraState Medical Center. Dmand AI links Mark Kirk to 4 more hospitals.
What medical group is Mark Kirk Jr. part of?
Mark Kirk is linked to Sound Physicians. Dmand AI links Mark Kirk to 11 more medical groups.
Does Mark Kirk Jr. accept Medicare?
Yes. CMS data shows Mark Kirk billed Medicare for 829 services in 2024, and Mark Kirk accepts Medicare assignment.
How many Medicare patients does Mark Kirk Jr. see?
CMS counts 353 Medicare patients who saw Mark Kirk in 2024, with an average age of 75.
What services does Mark Kirk Jr. bill to Medicare?
In 2024, Mark Kirk's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Show 3 more questionsShow fewer questions
What drugs does Mark Kirk Jr. prescribe most?
In 2024 Medicare Part D data, Mark Kirk's most prescribed drugs by claims were Eliquis, Atorvastatin Calcium and Clopidogrel.
Has Mark Kirk Jr. received payments from drug or device companies?
CMS Open Payments shows $204 in general payments to Mark Kirk from 3 companies from 2023 to 2023. The largest total came from ShockWave Medical, Inc.
How long has Mark Kirk Jr. been practicing?
Mark Kirk graduated from medical school in 2018, 8 years ago.
Selling to internal medicine practices?
See internists in Idaho by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card