DR. OLEG YAKYMOVYCH MD
NPI 1962996611
Internal Medicine in Butte, MT

Q: What is Oleg Yakymovych's NPI number?

The NPI number for Oleg Yakymovych is 1962996611. It was assigned to this individual provider in the NPPES registry on June 17, 2018.

Q: What is Oleg Yakymovych's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Oleg Yakymovych was last updated on November 8, 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.

Active since June 17, 2018PECOS EnrolledAccepts Medicare Assignment

400 S CLARK ST, BUTTE, MT 59701(406) 723-2500 Get Directions Write a Review

NPPES record last updated: November 8, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 8, 2021, Apr 8, 2021, Jun 17, 2018 (3 updates tracked since 2018).

On this page

About Dr. Oleg Yakymovych Md NPPES

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

DR. OLEG YAKYMOVYCH MD (NPI 1962996611) is an individual internal medicine provider in Butte, Montana, licensed in Montana (MED-PHYS-LIC-99630) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with St James Healthcare, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1962996611

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. OLEG YAKYMOVYCHCredential: MD

Location Address400 S CLARK STButte, MT 59701-9756

Mailing Address400 S Clark StButte, MT 59701-2328

Phone(406) 723-2500

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateJune 17, 2018

Last NPPES UpdateNovember 8, 20213 updates tracked since enumeration

NPPES CertifiedJuly 15, 2021

✔ NPI 1962996611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MT · MED-PHYS-LIC-99630

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

400 S CLARK ST, Butte, MT 59701

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans.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

Dr. Oleg Yakymovych 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 ID4587053590

PECOS Enrollment IDI20211112001772

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

Medicare enrollment records show Oleg Yakymovych reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Scl Health Medical Group-Butte LLC

Same address

Family Medicine

400 S CLARK ST
Butte, MT 59701

Reassigned Medicare billing, Montana enrollment
278 clinicians in this Medicare group

NPI 1477869600 (406) 723-2500

Hospitalist Medicine Physicians Of Montana - Tcs PC

3.2 mi

Internal Medicine

2400 CONTINENTAL DR
Butte, MT 59701

Reassigned Medicare billing, Montana enrollment
69 clinicians in this Medicare group

NPI 1902567183 (406) 723-6556

Cogent Healthcare Of Montana P C

92 mi

Internal Medicine

2827 FORT MISSOULA RD
Missoula, MT 59804

Reassigned Medicare billing, Montana enrollment
155 clinicians in this Medicare group

NPI 1053569525 (406) 728-4100

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 7

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

201 services82 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

111 services107 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

76 services45 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

50 services50 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

48 services46 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

30 services14 patients

Hospital Affiliations CMS Care Compare 2

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

St James Healthcare

Acute Care Hospitals · Butte, MT

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270017

Location400 S Clark StButte, MT 59701 · Silver Bow County

Emergency services Birthing friendly

Barrett Hospital & Healthcare

Critical Access Hospitals · Dillon, MT

OwnershipGovernment - Hospital District or Authority

CMS Certification Number271318

Location600 Mt Hwy 91 SDillon, MT 59725 · Beaverhead County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59701 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

$130.52 typical visit price

range $56.81 – $172.26

Typical copayment $32.63 (range $14.20 – $43.06)

Most-billed visit code 99204

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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers19 claims20 services$23.27 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers26 claims29 services$115.48 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

TAYLOR LOUISE ST. JOHN RN

Registered Nurse