DR. BRIAN GALLMAN D.O.
NPI 1639106438
Internal Medicine in Gilbert, AZ
About Dr. Brian Gallman D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRIAN GALLMAN D.O. (NPI 1639106438) is an individual internal medicine provider in Gilbert, Arizona, licensed in Arizona (4061) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Dr. Brian Gallman D.o. 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
8Medicare enrollment records show Brian Gallman reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mesa, AZ 85206
- Reassigned Medicare billing, Arizona enrollment
- 58 clinicians in this Medicare group
Mesa, AZ 85209
- Reassigned Medicare billing, Arizona enrollment
- 79 clinicians in this Medicare group
Maricopa, AZ 85139
- Reassigned Medicare billing, Arizona enrollment
- 159 clinicians in this Medicare group
Eloy, AZ 85131
- Reassigned Medicare billing, Arizona enrollment
- 70 clinicians in this Medicare group
Prescott, AZ 86301
- Reassigned Medicare billing, Arizona enrollment
- 123 clinicians in this Medicare group
Yuma, AZ 85365
- Reassigned Medicare billing, Arizona enrollment
- 147 clinicians in this Medicare group
Bullhead City, AZ 86442
- Reassigned Medicare billing, Arizona enrollment
- 147 clinicians in this Medicare group
Durango, CO 81301
- Reassigned Medicare billing, Arizona enrollment
- 57 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 2
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 85234 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GILBERT, AZ 85234
GILBERT, AZ 85234
GILBERT, AZ 85234
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 Brian Gallman's NPI number?
The NPI number for Brian Gallman is 1639106438. It was assigned to this individual provider in the NPPES registry on June 27, 2006.
Where is Brian Gallman located?
Brian Gallman practices at 875 N Greenfield Rd Suite 104, Gilbert, AZ 85234. The listed phone number is (480) 633-0551.
What is Brian Gallman's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Brian Gallman enrolled in Medicare?
Yes. Brian Gallman 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 Brian Gallman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Gallman reassigns Medicare benefits to 8 organizations: Mountain Vista Emergency Physicians, LLC (Mesa, AZ), Usacs Emergency Medicine Of Arizona, LLC (Mesa, AZ), Exceptional Physicians Group Arizona PLLC (Maricopa, AZ), Exceptional Physicians Group Eloy Hospital PLLC (Eloy, AZ), Exceptional Physicians Group Prescott Hospital PLLC (Prescott, AZ) and 3 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 Brian Gallman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Brian Gallman was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Brian Gallman, D.O. · NPI 1639106438
Internal Medicine physician in Gilbert, Arizona. Individual provider, active in the CMS NPPES registry since June 27, 2006.
## Identity
- **NPI:** 1639106438 (Entity type: Individual)
- **Enumerated:** June 27, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 4061 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 875 N GREENFIELD RD, SUITE 104, Gilbert, AZ 85234-5044
- **Phone:** (480) 633-0551 · **Fax:** (480) 633-0807
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Mountain Vista Emergency Physicians, LLC (NPI 1164642963, Mesa, AZ); Usacs Emergency Medicine Of Arizona, LLC (NPI 1770392490, Mesa, AZ); Exceptional Physicians Group Arizona PLLC (NPI 1447910229, Maricopa, AZ); Exceptional Physicians Group Eloy Hospital PLLC (NPI 1760203855, Eloy, AZ); Exceptional Physicians Group Prescott Hospital PLLC (NPI 1720807670, Prescott, AZ); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Des Moines University Of Osteopathic Medicine And Health Sciences, class of 2000
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicaid 885402 (AZ); Medicare ID-Type Unspecified Z84932 (AZ); Medicare UPIN I19640 (AZ); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1639106438) · Data from the CMS NPPES public registry.