MARK KENTON BUCK M.D.
NPI 1801887815
Family Medicine in Helena, MT

Active since October 31, 2005PECOS EnrolledAccepts Medicare Assignment
80.46/100
CMS Quality Rating
2960 N WASHINGTON ST, HELENA, MT 59602(406) 389-2555(406) 443-2261 Get Directions Write a Review

NPPES record last updated: October 7, 2021. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Oct 7, 2021, Sep 27, 2021 (2 updates tracked since 2021).

About Mark Kenton Buck M.d. NPPES

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

MARK KENTON BUCK M.D. (NPI 1801887815) is an individual family medicine provider in Helena, Montana, licensed in Montana (8420) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Benefis Hospitals Inc, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1801887815
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMARK KENTON BUCKCredential: M.D.
Location Address2960 N WASHINGTON STHelena, MT 59602-1210
Mailing Address1401 25th St S, Bmg AdminGreat Falls, MT 59405-5183 · (406) 731-8888 · Fax (406) 731-8318
Fax(406) 443-2261
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateOctober 31, 2005
Last NPPES UpdateOctober 7, 20212 updates tracked since enumeration
NPPES CertifiedOctober 7, 2021
✔ NPI 1801887815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MT · 8420
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2960 N WASHINGTON ST, Helena, MT 59602

Secondary Practice Locations 2

Location 12720 Evergreen DrGreat Falls, MT 59404-3636 · Phone (406) 899-6589 ext. 6179
Location 21401 25th St SGreat Falls, MT 59405-5183 · Phone (406) 731-8888 · Fax (406) 731-8318

Other Identifiers 2

Medicaid000032368MT
Other810348783MT · Billing Tax I.d.

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark Kenton Buck M.d. 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 ID2769374065
PECOS Enrollment IDI20040415001173
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.

Areas of Expertise CMS Part B claims 15

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 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.
88 services81 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
54 services50 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
53 services50 patients
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.
50 services48 patients
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635
This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.
38 services35 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
37 services37 patients

Hospital Affiliations CMS Care Compare

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

Benefis Hospitals Inc

Acute Care Hospitals · Great Falls, MT
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270012
Location1101 26th St SGreat Falls, MT 59405 · Cascade County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59602 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
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.1
Promoting Interoperability75
Improvement Activities40
Cost62.61

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
2960 N WASHINGTON ST
HELENA, MT 59602
Physician Assistant
2960 N WASHINGTON ST
HELENA, MT 59602
Nurse Practitioner (Family)
2960 N WASHINGTON ST
HELENA, MT 59602
Emergency Medicine
2960 N WASHINGTON ST
HELENA, MT 59602
Registered Nurse
2960 N WASHINGTON ST
HELENA, MT 59602

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 Buck's NPI number?

The NPI number for Mark Buck is 1801887815. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Where is Mark Buck located?

Mark Buck practices at 2960 N Washington St, Helena, MT 59602. The listed phone number is (406) 389-2555.

What is Mark Buck's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mark Buck enrolled in Medicare?

Yes. Mark Buck 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.

What insurance does Mark Buck accept?

Health plans from Blue Cross and Blue Shield of Montana and Providence Health Plan list Mark Buck 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 Buck affiliated with any hospitals?

According to CMS data, Mark Buck is affiliated with Benefis Hospitals Inc.

When was this NPI record last updated?

The NPPES record for Mark Buck was last updated on October 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.