DR. FRANK A REISER M.D.
NPI 1750381257
Emergency Medicine in Tucson, AZ
About Dr. Frank A Reiser M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FRANK A REISER M.D. (NPI 1750381257) is an individual emergency medicine provider in Tucson, Arizona, licensed in Colorado (DR.0065136) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Mckenzie County Healthcare Systems Inc, and is a graduate of University Of Arizona College Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. Frank A Reiser 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
8Medicare enrollment records show Frank Reiser reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Durango, CO 81301
- Reassigned Medicare billing, Colorado enrollment
- 468 clinicians in this Medicare group
Durango, CO 81301
- Reassigned Medicare billing, Colorado enrollment
- 285 clinicians in this Medicare group
Lamar, CO 81052
- Reassigned Medicare billing, Colorado enrollment
- 115 clinicians in this Medicare group
Beach, ND 58621
- Reassigned Medicare billing, North Dakota enrollment
- Also billed through NPI 1992947956 (North Dakota)
- 401 clinicians in this Medicare group
Castlewood, SD 57223
- Reassigned Medicare billing, South Dakota enrollment
- 109 clinicians in this Medicare group
Watford City, ND 58854
- Reassigned Medicare billing, North Dakota enrollment
- 108 clinicians in this Medicare group
Williston, ND 58801
- Reassigned Medicare billing, North Dakota enrollment
- Also billed through NPI 1902824576 (North Dakota)
- 268 clinicians in this Medicare group
Devils Lake, ND 58301
- Reassigned Medicare billing, North Dakota enrollment
- Also billed through NPI 1659343093 (North Dakota)
- 102 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mckenzie County Healthcare Systems Inc
Critical Access Hospitals · Watford City, NDChi St Alexius Health Williston
Critical Access Hospitals · Williston, NDChi St Alexius Health Dickinson
Critical Access Hospitals · Dickinson, NDPrairie Lakes Healthcare System, Inc
Acute Care Hospitals · Watertown, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85711 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.
TUCSON, AZ 85711
TUCSON, AZ 85711
TUCSON, AZ 85711
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 Frank Reiser's NPI number?
The NPI number for Frank Reiser is 1750381257. It was assigned to this individual provider in the NPPES registry on July 26, 2005.
Where is Frank Reiser located?
Frank Reiser practices at 350 N Wilmot Rd, Tucson, AZ 85711. The listed phone number is (520) 872-7130.
What is Frank Reiser's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Frank Reiser enrolled in Medicare?
Yes. Frank Reiser 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 Frank Reiser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frank Reiser reassigns Medicare benefits to 8 organizations: Usacs Of Colorado Inc (Durango, CO), Usacs Observation Medicine Services Of Colorado Inc. (Durango, CO), Prowers County Hospital District (Lamar, CO), St. Joseph's Hospital And Health Center (Beach, ND), Prairie Lakes Health Care System Inc (Castlewood, SD) 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 Frank Reiser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Frank Reiser accept?
Health plans from Blue Cross Blue Shield of North Dakota, Sanford Health Plan, Select Health and Wellmark of South Dakota, Inc. list Frank Reiser 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 Frank Reiser affiliated with any hospitals?
According to CMS data, Frank Reiser is affiliated with Mckenzie County Healthcare Systems Inc, Chi St Alexius Health Williston, Chi St Alexius Health Dickinson and Prairie Lakes Healthcare System, Inc.
When was this NPI record last updated?
The NPPES record for Frank Reiser was last updated on June 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.