KEITH MAXWELL BULL CRNA
NPI 1851751432
Nurse Anesthetist, Certified Registered in Farmington, NM
About Keith Maxwell Bull Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEITH MAXWELL BULL CRNA (NPI 1851751432) is an individual nurse anesthetist, certified registered in Farmington, New Mexico, licensed in Nebraska (101335) and active in the NPI registry since February 2016. He is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Keith Maxwell Bull Crna 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
2Medicare enrollment records show Keith Bull reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Farmington, NM 87401
- Reassigned Medicare billing, New Mexico enrollment
- 9 clinicians in this Medicare group
Cheyenne, WY 82009
- Reassigned Medicare billing, Wyoming enrollment
- 17 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 6
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 87401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
FARMINGTON, NM 87401
FARMINGTON, NM 87401
FARMINGTON, NM 87401
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 Keith Bull's NPI number?
The NPI number for Keith Bull is 1851751432. It was assigned to this individual provider in the NPPES registry on February 25, 2016.
Where is Keith Bull located?
Keith Bull practices at 2300 E 30th St Building A, Farmington, NM 87401. The listed phone number is (505) 326-6400.
What is Keith Bull's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Keith Bull enrolled in Medicare?
Yes. Keith Bull 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 Keith Bull's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Bull reassigns Medicare benefits to 2 organizations: Four Corners Anesthesia, P.A. (Farmington, NM) and Frontier Anesthesia LLC (Cheyenne, WY). 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 Keith Bull's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Keith Bull accept?
Health plans from Blue Cross Blue Shield of Wyoming list Keith Bull 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 Keith Bull was last updated on April 27, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Keith Maxwell Bull, CRNA · NPI 1851751432
Nurse Anesthetist, Certified Registered physician in Farmington, New Mexico. Individual provider, active in the CMS NPPES registry since February 25, 2016.
## Identity
- **NPI:** 1851751432 (Entity type: Individual)
- **Enumerated:** February 25, 2016
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 101335 (Nebraska)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2300 E 30TH ST, BUILDING A, Farmington, NM 87401-8990
- **Phone:** (505) 326-6400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Four Corners Anesthesia, P.A. (NPI 1093758831, Farmington, NM); Frontier Anesthesia LLC (NPI 1568815843, Cheyenne, WY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** April 27, 2017
- **Other identifiers:** Medicaid 55278710 (NM); Medicaid 140943 (AZ); Medicare PIN 505153YTR2 (NM)
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Source: [NPI Profile](https://npiprofile.com/npi/1851751432) · Data from the CMS NPPES public registry.