DR. JOHN N HOFFMAN M.D.
NPI 1689643173
Radiology - Diagnostic Radiology in Phoenix, AZ
About Dr. John N Hoffman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN N HOFFMAN M.D. (NPI 1689643173) is an individual diagnostic radiology provider in Phoenix, Arizona, licensed in Arizona (23523) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Salem Hospital, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
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. John N Hoffman 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
5Medicare enrollment records show John Hoffman reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulare, CA 93274
- Reassigned Medicare billing, California enrollment
- 119 clinicians in this Medicare group
Reedley, CA 93654
- Reassigned Medicare billing, California enrollment
- 315 clinicians in this Medicare group
Hanford, CA 93230
- Reassigned Medicare billing, California enrollment
- 139 clinicians in this Medicare group
Mill City, OR 97360
- Reassigned Medicare billing, Oregon enrollment
- 152 clinicians in this Medicare group
Columbus, OH 43214
- Reassigned Medicare billing, Oregon enrollment
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 51
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Salem Hospital
Acute Care Hospitals · Salem, ORSantiam Hospital
Acute Care Hospitals · Stayton, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85031 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHOENIX, AZ 85031
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 John Hoffman's NPI number?
The NPI number for John Hoffman is 1689643173. It was assigned to this individual provider in the NPPES registry on March 16, 2006.
Where is John Hoffman located?
John Hoffman practices at 4700 N 51st Ave Suite 2, Phoenix, AZ 85031. The listed phone number is (623) 849-3800.
What is John Hoffman's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is John Hoffman enrolled in Medicare?
Yes. John Hoffman 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 John Hoffman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Hoffman reassigns Medicare benefits to 5 organizations: Adventist Health Tulare (Tulare, CA), Reedley Community Hospital (Reedley, CA), Hanford Community Hospital (Hanford, CA), Santiam Memorial Hospital (Mill City, OR) and Lucidsolutions, Inc. (Columbus, OH). 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 John Hoffman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Hoffman affiliated with any hospitals?
According to CMS data, John Hoffman is affiliated with Salem Hospital and Santiam Hospital.
When was this NPI record last updated?
The NPPES record for John Hoffman was last updated on November 2, 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.