WILLIAM K RIORDAN DO
NPI 1447259718
Radiology - Diagnostic Radiology in Petoskey, MI

Q: What is William Riordan's NPI number?

The NPI number for William Riordan is 1447259718. It was assigned to this individual provider in the NPPES registry on July 19, 2005.

Q: What is William Riordan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for William Riordan was last updated on August 13, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since July 19, 2005

416 CONNABLE AVE, PETOSKEY, MI 49770(231) 487-4000 Get Directions Write a Review

NPPES record last updated: August 13, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About William K Riordan Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM K RIORDAN DO (NPI 1447259718) is an individual diagnostic radiology provider in Petoskey, Michigan, licensed in Michigan (5101010779) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1447259718

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameWILLIAM K RIORDANCredential: DO

Location Address416 CONNABLE AVEPetoskey, MI 49770-2212

Mailing Address416 Connable AvePetoskey, MI 49770-2297 · (989) 401-4245 · Fax (989) 401-4235

Phone(231) 487-4000

Sole ProprietorNo

Enumeration DateJuly 19, 2005

Last NPPES UpdateAugust 13, 2018

✔ NPI 1447259718 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in MI · 5101010779

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

416 CONNABLE AVE, Petoskey, MI 49770

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Other Identifiers 3

Medicaid113497443MI

Other300088078MI · Railroad Medicare

Other3052422495MI · Bcbs

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.

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

95%1,049 patients

Radiology: Reminder System for Screening Mammograms

Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram

100%86 patients

Radiology: Stenosis Measurement in Carotid Imaging Reports

Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…

99%72 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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