JAMES CHRISTEN LARSEN III M.D.
NPI 1366767352
Radiology - Diagnostic Radiology in Lubbock, TX
About James Christen Larsen Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES CHRISTEN LARSEN III M.D. (NPI 1366767352) is an individual diagnostic radiology provider in Lubbock, Texas, licensed in New York (305145) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Wellmont Bristol Regional Medical Center, and maintains 9 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 9
Accepted 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 Christen Larsen Iii 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.
Medicare Billing Reassignments
25Medicare enrollment records show James Larsen reassigns Medicare billing to 25 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lubbock, TX 79415
- Reassigned Medicare billing, Texas enrollment
- 101 clinicians in this Medicare group
Perryton, TX 79070
- Reassigned Medicare billing, Texas enrollment
- Also billed through NPI 1245237593 (Texas)
- 68 clinicians in this Medicare group
Waco, TX 76712
- Reassigned Medicare billing, Arizona and Texas enrollments
- 9 clinicians in this Medicare group
Mesa, AZ 85202
- Reassigned Medicare billing, Arizona enrollment
- 447 clinicians in this Medicare group
Oakland, IL 61943
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1679502322 (Illinois)
- 216 clinicians in this Medicare group
Riverside, CA 92507
- Reassigned Medicare billing, Arizona enrollment
- 13 clinicians in this Medicare group
Rockford, IL 61103
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Illinois enrollment
- 671 clinicians in this Medicare group
Harvard, IL 60033
- Reassigned Medicare billing, Illinois enrollment
- 382 clinicians in this Medicare group
Chicago, IL 60613
- Reassigned Medicare billing, Illinois enrollment
- 48 clinicians in this Medicare group
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 40
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wellmont Bristol Regional Medical Center
Acute Care Hospitals · Bristol, TNWellmont Holston Valley Medical Center
Acute Care Hospitals · Kingsport, TNJohnson City Medical Center
Acute Care Hospitals · Johnson City, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 79415 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
LUBBOCK, TX 79415
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 1366767352. It was assigned to this individual provider in the NPPES registry on April 1, 2010.
Where is James Larsen located?
James Larsen practices at 602 Indiana Ave, Lubbock, TX 79415. The listed phone number is (806) 775-8600.
What is James Larsen's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
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 organizations bill Medicare for James Larsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Larsen reassigns Medicare benefits to 25 organizations: Lubbock County Hospital District (Lubbock, TX), Ochiltree Hospital District (Perryton, TX), Central Texas Radiological Associates PA (Waco, TX), Sonoran Radiology Ltd (Mesa, AZ), Hospital & Medical Foundation Of Paris, Inc. (Oakland, IL) and 20 more organizations, listed in the Medicare section above. Each 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 Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Texas, CareSource and Cigna Healthcare and 2 other insurers 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.
Is James Larsen affiliated with any hospitals?
According to CMS data, James Larsen is affiliated with Wellmont Bristol Regional Medical Center, Wellmont Holston Valley Medical Center and Johnson City Medical Center.
When was this NPI record last updated?
The NPPES record for James Larsen was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.
# James Christen Larsen III, M.D. · NPI 1366767352
Diagnostic Radiology physician in Lubbock, Texas. Individual provider, active in the CMS NPPES registry since April 1, 2010.
## Identity
- **NPI:** 1366767352 (Entity type: Individual)
- **Enumerated:** April 1, 2010
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 305145 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 602 INDIANA AVE, Lubbock, TX 79415-3364
- **Phone:** (806) 775-8600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 25 organizations under Medicare reassignment (form CMS-855R): Lubbock County Hospital District (NPI 1063468031, Lubbock, TX); Ochiltree Hospital District (NPI 1528557410, Perryton, TX); Central Texas Radiological Associates PA (NPI 1861452864, Waco, TX); Sonoran Radiology Ltd (NPI 1033745708, Mesa, AZ); Hospital & Medical Foundation Of Paris, Inc. (NPI 1831559509, Oakland, IL); and 20 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Nevada School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** September 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1366767352) · Data from the CMS NPPES public registry.