DR. RONALD L LINFESTY M.D.
NPI 1972583045
Pathology - Anatomic Pathology in Billings, MT

Q: What is Ronald Linfesty's NPI number?

The NPI number for Ronald Linfesty is 1972583045. It was assigned to this individual provider in the NPPES registry on January 17, 2006.

Q: What is Ronald Linfesty's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Q: When was this NPI record last updated?

The NPPES record for Ronald Linfesty was last updated on August 25, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 January 17, 2006PECOS EnrolledAccepts Medicare Assignment

94.3/100

CMS Quality Rating

2800 10TH AVE N, BILLINGS, MT 59101(406) 238-2500 Get Directions Write a Review

NPPES record last updated: August 25, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Ronald L Linfesty M.d. NPPES

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

DR. RONALD L LINFESTY M.D. (NPI 1972583045) is an individual anatomic pathology provider in Billings, Montana, licensed in California (G73690) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of George Washington University School Of Medicine (1989).

NPPES Registry Identity

NPI1972583045

Entity TypeIndividualMale

Primary Taxonomy207ZP0101X

Provider Legal NameDR. RONALD L LINFESTYCredential: M.D.

Location Address2800 10TH AVE NBillings, MT 59101-0703

Mailing AddressPo Box 35100Billings, MT 59107-5100 · (406) 238-2500

Phone(406) 238-2500

Sole ProprietorNo

Medical School CMSGeorge Washington University School Of MedicineGraduated 1989

Enumeration DateJanuary 17, 2006

Last NPPES UpdateAugust 25, 2010

✔ NPI 1972583045 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0101X

License✔ Licensed in CA · G73690

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

2800 10TH AVE N, Billings, MT 59101

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Accepted Insurance

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

Dr. Ronald L Linfesty 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 ID4183755366

PECOS Enrollment IDI20100702000190, I20180626000840

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 Ronald Linfesty reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Billings Clinic

0.1 mi

General Practice

801 N 29TH ST
Billings, MT 59101

Reassigned Medicare billing, Montana and Wyoming enrollments
Also billed through NPI 1346288347 (Wyoming)
1,264 clinicians in this Medicare group

NPI 1376598714 (406) 238-2500

Stillwater Hospital Association, Inc.

37 mi

Critical Access

710 N 11TH STREET
Columbus, MT 59019

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

NPI 1053488387 (406) 322-1000

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 22

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

1,274 services613 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

327 services83 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

210 services172 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

123 services94 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

87 services81 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

82 services32 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

56 services51 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

53 services42 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

50 services42 patients

Blood smear interpretation by physician with written report 85060

Blood smear interpretation is a lab test where your doctor examines a sample of your blood under a microscope. They look for abnormalities in your blood cells which can help diagnose various conditions. You'll receive a written report of the findings.

39 services39 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

35 services26 patients

Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method G0416

This procedure involves taking a small tissue sample from your gland located beneath your bladder. The sample is then examined under a microscope by a pathologist to check for any abnormalities or diseases. This is a standard method to ensure your well-being.

34 services34 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

32 services25 patients

Special stained specimen slides to examine tissue, each multiplex procedure 88344

Special stained specimen slides are used to study tissue in detail. This multiplex procedure involves applying different dyes to the tissue sample on a slide to highlight specific elements. These colors help identify any abnormalities in the tissue, aiding in accurate diagnosis and treatment planning.

27 services15 patients

Bone marrow, smear interpretation 85097

Bone marrow smear interpretation is a procedure where a small sample of your bone marrow is taken and examined under a microscope. This helps doctors identify any abnormal cells or signs of diseases such as anemia, leukemia, or infections. It's a crucial step in diagnosing various blood disorders.

22 services19 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

22 services16 patients

Cell examination of specimen, concentration technique 88108

Cell examination of a specimen using a concentration technique is a lab process that enhances the detection of cells in a sample. This method helps to focus on key areas of the sample, making it easier to spot abnormalities or changes. It's a crucial part of diagnosing and monitoring certain health conditions.

20 services19 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

20 services19 patients

Evaluation of fine needle aspirate 88172

Evaluation of fine needle aspirate is a diagnostic procedure where a thin needle is used to collect cells from a lump or mass. This sample is then examined under a microscope to determine the nature of the lump, whether it's benign (non-cancerous) or malignant (cancerous).

16 services14 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

13 services12 patients

Genetic sequencing localization, initial procedure 88365

Genetic sequencing localization is a process to identify where specific genes are located in your DNA. During the initial procedure, a sample of your cells is collected, usually through a simple swab or blood test. This data is then analyzed to pinpoint the location of certain genes. This can help understand your genetic makeup and potential health risks.

13 services11 patients

Pathology cytologic examination of specimen during surgery, initial site 88333

A pathology cytologic examination during surgery involves taking a small sample of cells from the initial site of concern. This sample is then examined under a microscope by a pathologist to check for any abnormal or disease-causing cells. This helps guide the ongoing surgical procedure.

12 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Livingston Healthcare

Critical Access Hospitals · Livingston, MT

3/5 CMS rating

OwnershipPhysician

CMS Certification Number271317

Location320 Alpenglow LaneLivingston, MT 59047 · Park County

Emergency services

Glendive Medical Center

Critical Access Hospitals · Glendive, MT

OwnershipVoluntary non-profit - Private

CMS Certification Number271332

Location202 Prospect DrGlendive, MT 59330 · Dawson County

Emergency services

Sidney Health Center

Critical Access Hospitals · Sidney, MT

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number271344

Location216 14th Ave SWSidney, MT 59270 · Richland County

Emergency services Birthing friendly

North Big Horn Hospital District

Critical Access Hospitals · Lovell, WY

OwnershipGovernment - Hospital District or Authority

CMS Certification Number531309

Location1115 Lane 12Lovell, WY 82431 · Big Horn County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59101 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.

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.

94.3/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

85.58

Promoting Interoperability

100

Improvement Activities

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.

ANNA VICTORIA NESOVIC DNP, FNP-BC

Nurse Practitioner (Family)