What is John Nay's NPI number?

John Nay's National Provider Identifier (NPI) is 1942520788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Nay's specialty?

John Nay is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).

Where is John Nay located?

John Nay's practice location on file with NPPES is 1105 Sixth St, Traverse City, MI 49684-2345.

What is John Nay's phone number?

The practice phone number listed in the NPPES registry for John Nay is (231) 935-0497.

Does John Nay accept Medicare?

John Nay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is John Nay's NPI active?

Yes — John Nay's NPI (1942520788) is active in the NPPES registry as of the last update on 2021-03-31.

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John Nay

NPI 1942520788 · Diagnostic Radiology Physician · Traverse City, MI

John Nay is a Diagnostic Radiology Physician provider in Traverse City, MI (NPI 1942520788).

Provider details

NPI number: 1942520788
Entity type: Individual
Primary specialty: Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: No
License: 4301501471 (MI)

Practice location

1105 Sixth St

Traverse City, MI 49684-2345

Phone: (231) 935-0497

Street-level locationGet directions

More MI providers

Mailing address

Po Box 30516 Dept 9516

Lansing, MI 48909-8016

Specialties & taxonomies

Diagnostic Radiology PhysicianPrimary2085R0202XLicense 4301501471 (MI)
Allopathic & Osteopathic Physicians
Diagnostic Radiology Physician2085R0202XLicense 01076055A (IN)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(88/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
16 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
7,585 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
X-Ray of Chest, 1 View71045	1,001	$8
X-Ray of Chest, 2 Views71046	503	$10
Ct Scan of Abdomen and Pelvis With Contrast74177	433	$82
Ct Scan of Chest With Contrast71260	321	$51
Ct Scan Head Or Brain Without Contrast70450	299	$37
Ct Scan of Chest Without Contrast71250	275	$49
Mri Scan of Pelvis Before and After Contrast

Enumerated: 2010-06-03
Last updated: 2021-03-31
Certified: 2021-03-31

Frequently asked questions

What is John Nay's NPI number?: John Nay's National Provider Identifier (NPI) is 1942520788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is John Nay's specialty?: John Nay is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
Where is John Nay located?: John Nay's practice location on file with NPPES is 1105 Sixth St, Traverse City, MI 49684-2345.
What is John Nay's phone number?: The practice phone number listed in the NPPES registry for John Nay is (231) 935-0497.
Does John Nay accept Medicare?: John Nay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is John Nay's NPI active?: Yes — John Nay's NPI (1942520788) is active in the NPPES registry as of the last update on 2021-03-31.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)