WILLIAM MARCUS BRANN MD
NPI 1912087826
Internal Medicine - Cardiovascular Disease in Evanston, WY
About William Marcus Brann Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM MARCUS BRANN MD (NPI 1912087826) is an individual cardiovascular disease provider in Evanston, Wyoming, licensed in Wyoming (3489A) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Geisel School Of Medicine At Dartmouth (1980).
NPPES Registry Identity
Specialties & Licenses
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
William Marcus Brann 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.
Medicare Billing Reassignments
4Medicare enrollment records show William Brann reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Evanston, WY 82930
- Reassigned Medicare billing, Wyoming enrollment
- 33 clinicians in this Medicare group
South Jordan, UT 84095
- Reassigned Medicare billing, Utah enrollment
- 254 clinicians in this Medicare group
Rock Springs, WY 82901
- Reassigned Medicare billing, Wyoming enrollment
- Also billed through NPI 1558361949 (Wyoming)
- 176 clinicians in this Medicare group
Price, UT 84501
- Reassigned Medicare billing, Utah enrollment
- Medicare enrollment name: Castleview Physician Practice LLC
- 34 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 10
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 82930 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EVANSTON, WY 82930
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 William Brann's NPI number?
The NPI number for William Brann is 1912087826. It was assigned to this individual provider in the NPPES registry on October 16, 2006.
Where is William Brann located?
William Brann practices at 196 Arrowhead Dr Ste 1, Evanston, WY 82930. The listed phone number is (307) 789-0524.
What is William Brann's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is William Brann enrolled in Medicare?
Yes. William Brann 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 William Brann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Brann reassigns Medicare benefits to 4 organizations: Evanston Clinic Corp (Evanston, WY), Physician Group Of Utah Inc (South Jordan, UT), Memorial Hospital Of Sweetwater County (Rock Springs, WY) and Castleview Physician Practices LLC (Price, UT). 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 William Brann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Brann accept?
Health plans from Blue Cross Blue Shield of Wyoming, Imperial Health Plan of the Southwest, Inc. and University of Utah Health Plans list William Brann 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 William Brann was last updated on March 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# William Marcus Brann, MD · NPI 1912087826
Cardiovascular Disease physician in Evanston, Wyoming. Individual provider, active in the CMS NPPES registry since October 16, 2006.
## Identity
- **NPI:** 1912087826 (Entity type: Individual)
- **Enumerated:** October 16, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 3489A (Wyoming)
- **Sole proprietor:** No
## Practice location
- **Address:** 196 ARROWHEAD DR STE 1, Evanston, WY 82930-8752
- **Phone:** (307) 789-0524
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Evanston Clinic Corp (NPI 1013916519, Evanston, WY); Physician Group Of Utah Inc (NPI 1477676930, South Jordan, UT); Memorial Hospital Of Sweetwater County (NPI 1437312436, Rock Springs, WY); Castleview Physician Practices LLC (NPI 1033621362, Price, UT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Geisel School Of Medicine At Dartmouth, class of 1980
## Record status
- **NPPES last updated:** March 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1912087826) · Data from the CMS NPPES public registry.