KATHRYN LEE WILLIAMS MD
NPI 1952857385
Family Medicine in Lewistown, MT

Q: What is Kathryn Williams's NPI number?

The NPI number for Kathryn Williams is 1952857385. It was assigned to this individual provider in the NPPES registry on August 26, 2016.

Q: What is Kathryn Williams's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Kathryn Williams was last updated on December 30, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since August 26, 2016PECOS EnrolledAccepts Medicare Assignment

311 W MAIN ST, LEWISTOWN, MT 59457(406) 535-6545 Get Directions Write a Review

NPPES record last updated: December 30, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 30, 2025, Sep 15, 2020, Sep 9, 2020 and 2 more (5 updates tracked since 2016).

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About Kathryn Lee Williams Md NPPES

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

KATHRYN LEE WILLIAMS MD (NPI 1952857385) is an individual family medicine provider in Lewistown, Montana, licensed in Montana (MED-PHYS-LIC-78141) and active in the NPI registry since August 2016. She is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1952857385

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameKATHRYN LEE WILLIAMSCredential: MD

Location Address311 W MAIN STLewistown, MT 59457-2760

Mailing Address311 W Main StLewistown, MT 59457-2760 · (406) 535-6545

Phone(406) 535-6545

Sole ProprietorNo

Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2016

Enumeration DateAugust 26, 2016

Last NPPES UpdateDecember 30, 20255 updates tracked since enumeration

NPPES CertifiedDecember 30, 2025

✔ NPI 1952857385 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in MT · MED-PHYS-LIC-78141

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.

Also ListedObstetrics & Gynecology · ObstetricsTaxonomy 207VX0000X · License 65709 (MN)

311 W MAIN ST, Lewistown, MT 59457

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Secondary Practice Locations 2

Location 1401 Railroad St WMissoula, MT 59802-4109 · Phone (406) 258-4789 · Fax (406) 258-4732

Location 2400 E 3rd StDuluth, MN 55805 · Phone (218) 786-8364

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 and more.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

Kathryn Lee Williams 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 ID4385970037

PECOS Enrollment IDI20201105001287

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 3

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.

39 services18 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

24 services20 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.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Billings Clinic

Acute Care Hospitals · Billings, MT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270004

Location2800 10th Ave NBillings, MT 59101 · Yellowstone County

Emergency services Birthing friendly

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

Central Montana Medical Center

Critical Access Hospitals · Lewistown, MT

OwnershipVoluntary non-profit - Private

CMS Certification Number271345

Location408 Wendell AveLewistown, MT 59457 · Fergus County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59457 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.

Patient Reviews User submitted

Reviews are submitted by site visitors and approved by a human moderator before publication.

Review by David ***** February 11, 2026

4/5

I have both worked with and have been an inpatient with her care. She is great with my care, and more important, with the care of all the patients I observed her caring for. She is very competent, compassionate, and very nice.

Provider 5/5 Office Staff 4/5

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Other Providers at the Same Location NPPES 11

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

ERI OGAMI MARTIN LCPC

Counselor (Mental Health)