JOSHUA PAUL GAHAN MD
NPI 1649809674
Radiology - Diagnostic Radiology in Royal Oak, MI
About Joshua Paul Gahan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSHUA PAUL GAHAN MD (NPI 1649809674) is an individual diagnostic radiology provider in Royal Oak, Michigan, licensed in Michigan (4301513944) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Ascension Providence Hospital, Southfield And Novi, and is a graduate of Wayne State University School Of Medicine (2020).
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
Joshua Paul Gahan 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 Reassignment
Medicare enrollment records show Joshua Gahan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Royal Oak, MI 48073
- Reassigned Medicare billing, Michigan enrollment
- 946 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension Providence Hospital, Southfield And Novi
Acute Care Hospitals · Southfield, MIBeaumont Hospital Royal Oak
Acute Care Hospitals · Royal Oak, MIBeaumont Hospital - Farmington Hills
Acute Care Hospitals · Farmington Hills, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48073 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.
ROYAL OAK, MI 48073
ROYAL OAK, MI 48073
ROYAL OAK, MI 48073
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 Joshua Gahan's NPI number?
The NPI number for Joshua Gahan is 1649809674. It was assigned to this individual provider in the NPPES registry on April 2, 2020.
Where is Joshua Gahan located?
Joshua Gahan practices at 3601 W 13 Mile Rd, Royal Oak, MI 48073. The listed phone number is (248) 898-5000.
What is Joshua Gahan's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Joshua Gahan enrolled in Medicare?
Yes. Joshua Gahan 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 organization bills Medicare for Joshua Gahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Gahan reassigns Medicare benefits to Beaumont Medical Group Hospital -Based Services (Royal Oak, MI). The 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 Joshua Gahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joshua Gahan accept?
Health plans from Priority Health list Joshua Gahan 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 Joshua Gahan affiliated with any hospitals?
According to CMS data, Joshua Gahan is affiliated with Ascension Providence Hospital, Southfield And Novi, Beaumont Hospital Royal Oak and Beaumont Hospital - Farmington Hills.
When was this NPI record last updated?
The NPPES record for Joshua Gahan was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Joshua Paul Gahan, MD · NPI 1649809674
Diagnostic Radiology physician in Royal Oak, Michigan. Individual provider, active in the CMS NPPES registry since April 2, 2020.
## Identity
- **NPI:** 1649809674 (Entity type: Individual)
- **Enumerated:** April 2, 2020
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 4301513944 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 3601 W 13 MILE RD, Royal Oak, MI 48073-6712
- **Phone:** (248) 898-5000
## 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:** Beaumont Medical Group Hospital -Based Services (NPI 1427567858, Royal Oak, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** August 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1649809674) · Data from the CMS NPPES public registry.