DR. MARC VAN FARNWORTH MD
NPI 1124288758
Family Medicine in Twin Falls, ID

Active since June 17, 2008PECOS EnrolledAccepts Medicare Assignment
801 POLE LINE RD W, TWIN FALLS, ID 83301(208) 814-4100(208) 814-4908 Get Directions Write a Review

NPPES record last updated: June 4, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 4, 2025, Mar 31, 2025 (2 updates tracked since 2025).

About Dr. Marc Van Farnworth Md NPPES

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

DR. MARC VAN FARNWORTH MD (NPI 1124288758) is an individual family medicine provider in Twin Falls, Idaho, licensed in Idaho (M-10859) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with St Lukes Magic Valley Medical Center, and is a graduate of University Of Michigan Medical School (2008).

NPPES Registry Identity

NPI1124288758
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARC VAN FARNWORTHCredential: MD
Location Address801 POLE LINE RD WTwin Falls, ID 83301-5810
Mailing Address190 E Bannock StBoise, ID 83712-6241
Fax(208) 814-4908
Sole ProprietorYes
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2008
Enumeration DateJune 17, 2008
Last NPPES UpdateJune 4, 20252 updates tracked since enumeration
NPPES CertifiedJune 4, 2025
NPI 1124288758 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in ID · M-10859
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.
801 POLE LINE RD W, Twin Falls, ID 83301

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

Dr. Marc Van Farnworth 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 ID3476722018
PECOS Enrollment IDI20110816000333
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 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.
675 services233 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.
88 services84 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.
73 services72 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.
70 services68 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.
68 services32 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.
33 services33 patients

Hospital Affiliations CMS Care Compare 5

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

St Lukes Magic Valley Medical Center

Acute Care Hospitals · Twin Falls, ID
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number130002
Location801 Pole Line Road WestTwin Falls, ID 83301 · Twin Falls County
Emergency services Birthing friendly

St Luke's Regional Medical Center

Acute Care Hospitals · Boise, ID
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number130006
Location190 East Bannock StreetBoise, ID 83712 · Ada County
Emergency services Birthing friendly

Portneuf Medical Center

Acute Care Hospitals · Pocatello, ID
4/5 CMS rating
OwnershipProprietary
CMS Certification Number130028
Location777 Hospital WayPocatello, ID 83201 · Bannock County
Emergency services Birthing friendly

St Luke's Wood River Medical Center

Critical Access Hospitals · Ketchum, ID
OwnershipVoluntary non-profit - Private
CMS Certification Number131323
Location100 Hospital DriveKetchum, ID 83340 · Blaine County
Emergency services Birthing friendly

Cassia Regional Hospital

Critical Access Hospitals · Burley, ID
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number131326
Location1501 Hiland AvenueBurley, ID 83318 · Cassia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83301 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
$81.13 typical visit price
range $52.44 – $160.17
Typical copayment $20.28 (range $13.11 – $40.04)
Most-billed visit code 99203
Established Patient
$93.26 typical visit price
range $16.68 – $130.93
Typical copayment $23.31 (range $4.17 – $32.73)
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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
89%81 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 3

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
3 suppliers27 claims27 services$18.31 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier11 claims11 services$6.10 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
3 suppliers37 claims37 services$91.78 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.

Nurse Anesthetist, Certified Registered
801 POLE LINE RD W
TWIN FALLS, ID 83301
Social Worker
801 POLE LINE RD W
TWIN FALLS, ID 83301
Speech-Language Pathologist
801 POLE LINE RD W
TWIN FALLS, ID 83301
Hospitalist
801 POLE LINE RD W
TWIN FALLS, ID 83301
Nurse Anesthetist, Certified Registered
801 POLE LINE RD W
TWIN FALLS, ID 83301
Social Worker (Clinical)
801 POLE LINE RD W
TWIN FALLS, ID 83301
Occupational Therapist
801 POLE LINE RD W
TWIN FALLS, ID 83301
Specialist/Technologist, Other (Surgical Assistant)
801 POLE LINE RD W
TWIN FALLS, ID 83301

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 Marc Farnworth's NPI number?

The NPI number for Marc Farnworth is 1124288758. It was assigned to this individual provider in the NPPES registry on June 17, 2008.

Where is Marc Farnworth located?

Marc Farnworth practices at 801 Pole Line Rd W, Twin Falls, ID 83301. The listed phone number is (208) 814-4100.

What is Marc Farnworth's specialty?

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

Is Marc Farnworth enrolled in Medicare?

Yes. Marc Farnworth 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 Marc Farnworth accept?

Health plans from Moda Health Plan, Inc. and Providence Health Plan list Marc Farnworth 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 Marc Farnworth affiliated with any hospitals?

According to CMS data, Marc Farnworth is affiliated with St Lukes Magic Valley Medical Center, St Luke's Regional Medical Center, Portneuf Medical Center, St Luke's Wood River Medical Center and Cassia Regional Hospital.

When was this NPI record last updated?

The NPPES record for Marc Farnworth was last updated on June 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.