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MARK J JAREK MD
NPI 1013955541
Internal Medicine - Rheumatology in Republic, MO

Active since June 04, 2006PECOS EnrolledAccepts Medicare Assignment
3733 S MOONLIT LN, REPUBLIC, MO 65738(000) 000-0000 Get Directions Write a Review

NPPES record last updated: March 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 21, 2025, Mar 8, 2024, Jan 12, 2018 and 2 more (5 updates tracked since 2016).

About Mark J Jarek Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK J JAREK MD (NPI 1013955541) is an individual rheumatology provider in Republic, Missouri, licensed in Missouri (114482) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Via Christi Hospital Pittsburg Inc, and is a graduate of Hahnemann University College Of Medicine (1989).

NPPES Registry Identity

NPI1013955541
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameMARK J JAREKCredential: MD
Location Address3733 S MOONLIT LNRepublic, MO 65738-9448
Mailing Address3733 S Moonlit LnRepublic, MO 65738-9448
Phone(000) 000-0000
Sole ProprietorNo
Medical School CMSHahnemann University College Of MedicineGraduated 1989
Enumeration DateJune 4, 2006
Last NPPES UpdateMarch 21, 20255 updates tracked since enumeration
NPPES CertifiedMarch 21, 2025
✔ NPI 1013955541 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in MO · 114482
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
3733 S MOONLIT LN, Republic, MO 65738
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Other Identifiers 1

Medicaid203834205MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark J Jarek Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406886209
PECOS Enrollment IDI20050820000070
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Mark Jarek reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Citizens Memorial Healthcare
31 mi
Surgery
1500 N OAKLAND AVE
Bolivar, MO 65613
  • Reassigned Medicare billing, Missouri enrollment
  • 249 clinicians in this Medicare group
NPI 1568566131 (417) 326-6000
Mercy Hospital Carthage
48 mi
Rural Health
1615 HAZEL AVE
Carthage, MO 64836
  • Reassigned Medicare billing, Missouri enrollment
  • Also billed through NPI 1003201955 (Missouri)
  • 133 clinicians in this Medicare group
NPI 1285904342 (417) 237-0983
Mercy Clinic Joplin LLC
48 mi
Emergency Medicine
3125 DR RUSSELL SMITH WAY
Carthage, MO 64836
  • Reassigned Medicare billing, Missouri enrollment
  • 562 clinicians in this Medicare group
NPI 1477822567 (417) 358-8121
Freeman-Oak Hill Health System
58 mi
Multi-Specialty
1102 W 32ND ST
Joplin, MO 64804
  • Reassigned Medicare billing, Missouri enrollment
  • 427 clinicians in this Medicare group
NPI 1679517023 (417) 347-6605

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
193 services135 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
108 services54 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
97 services71 patients
Smoking and tobacco use intensive counseling, 4-10 minutes 99406
This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.
29 services19 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Via Christi Hospital Pittsburg Inc

Acute Care Hospitals · Pittsburg, KS
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number170006
Location1 Mt Carmel WayPittsburg, KS 66762 · Crawford County
Emergency services Birthing friendly

Mercy Hospital Joplin

Acute Care Hospitals · Joplin, MO
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260001
Location100 Mercy WayJoplin, MO 64804 · Jasper County
Emergency services Birthing friendly

Freeman Health System - Freeman West

Acute Care Hospitals · Joplin, MO
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260137
Location1102 West 32nd StreetJoplin, MO 64804 · Jasper County
Emergency services Birthing friendly

Citizens Memorial Hospital

Acute Care Hospitals · Bolivar, MO
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number260195
Location1500 N OaklandBolivar, MO 65613 · Polk County
Emergency services Birthing friendly

Mercy Hospital Carthage

Critical Access Hospitals · Carthage, MO
OwnershipVoluntary non-profit - Private
CMS Certification Number261338
Location3125 Dr Russell Smith WayCarthage, MO 64836 · Jasper County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65738 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.96 typical visit price
range $52.28 – $161.24
Typical copayment $30.49 (range $13.07 – $40.31)
Most-billed visit code 99204
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Jarek's NPI number?

The NPI number for Mark Jarek is 1013955541. It was assigned to this individual provider in the NPPES registry on June 4, 2006.

Where is Mark Jarek located?

Mark Jarek practices at 3733 S Moonlit Ln, Republic, MO 65738. The listed phone number is (000) 000-0000.

What is Mark Jarek's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Mark Jarek enrolled in Medicare?

Yes. Mark Jarek is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mark Jarek's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Jarek reassigns Medicare benefits to 4 organizations: Citizens Memorial Healthcare (Bolivar, MO), Mercy Hospital Carthage (Carthage, MO), Mercy Clinic Joplin LLC (Carthage, MO) and Freeman-Oak Hill Health System (Joplin, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Jarek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Jarek accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list Mark Jarek as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Jarek affiliated with any hospitals?

According to CMS data, Mark Jarek is affiliated with Via Christi Hospital Pittsburg Inc, Mercy Hospital Joplin, Freeman Health System - Freeman West, Citizens Memorial Hospital and Mercy Hospital Carthage.

When was this NPI record last updated?

The NPPES record for Mark Jarek was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.