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JAMES C. LARSEN MD
NPI 1760528855
Family Medicine in Sundance, WY

Active since January 29, 2007PECOS EnrolledAccepts Medicare Assignment
713 OAK ST., SUNDANCE, WY 82729(307) 283-3501(307) 283-2255 Get Directions Write a Review

NPPES record last updated: August 9, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About James C. Larsen Md NPPES

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

JAMES C. LARSEN MD (NPI 1760528855) is an individual family medicine provider in Sundance, Wyoming, licensed in Wyoming (4487A) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Creighton University School Of Medicine (1983).

NPPES Registry Identity

NPI1760528855
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameJAMES C. LARSENCredential: MD
Location Address713 OAK ST.Sundance, WY 82729-0517
Mailing AddressPo Box 517Sundance, WY 82729-0517 · (307) 283-3501 · Fax (307) 283-2489
Phone(307) 283-3501
Fax(307) 283-2255
Sole ProprietorNo
Medical School CMSCreighton University School Of MedicineGraduated 1983
Enumeration DateJanuary 29, 2007
Last NPPES UpdateAugust 9, 2018
✔ NPI 1760528855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in WY · 4487A
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.
713 OAK ST., Sundance, WY 82729
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Other Identifiers 1

Other810542541MT · Commercial

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.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

James C. Larsen 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 ID8921997214
PECOS Enrollment IDI20151103002445
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 Reassignment

Medicare enrollment records show James Larsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Crook County Medical Services District
Same address
Family Medicine
713 OAK STREET
Sundance, WY 82729
  • Reassigned Medicare billing, Wyoming enrollment
  • 14 clinicians in this Medicare group
NPI 1518081678 (307) 283-3501

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 82729 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
$87.12 typical visit price
range $56.42 – $170.72
Typical copayment $21.78 (range $14.10 – $42.68)
Most-billed visit code 99203
Established Patient
$99.46 typical visit price
range $18.19 – $139.32
Typical copayment $24.86 (range $4.54 – $34.83)
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

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
34%79 patients2/55-star benchmark: 92%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
21%169 patients2/55-star benchmark: 85%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
13%24 patients1/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
97%1,518 patients4/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
73%120 patients4/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%33 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
28%529 patients2/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
94%529 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
2%529 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
15%529 patients
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 11

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

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
3 suppliers13 claims13 services$74.20 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
3 suppliers13 claims13 services$19.09 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers16 claims88 services$2.93 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers38 claims39 services$19.11 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers12 claims12 services$49.03 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 suppliers69 claims70 services$109.58 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 James Larsen's NPI number?

The NPI number for James Larsen is 1760528855. It was assigned to this individual provider in the NPPES registry on January 29, 2007.

Where is James Larsen located?

James Larsen practices at 713 Oak St., Sundance, WY 82729. The listed phone number is (307) 283-3501.

What is James Larsen's specialty?

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

Is James Larsen enrolled in Medicare?

Yes. James Larsen 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.

Which organization bills Medicare for James Larsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Larsen reassigns Medicare benefits to Crook County Medical Services District (Sundance, WY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Larsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Larsen accept?

Health plans from UnitedHealthcare list James Larsen 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.

When was this NPI record last updated?

The NPPES record for James Larsen was last updated on August 9, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.