Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Joseph A Ridgeway, M.D.

Diagnostic Radiology Physician in Troy, OH · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1740209006

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Registry record

Entity type Individual (Type 1)

Name Dr. Joseph A Ridgeway

Credential M.D.

Sex Male

Practice address 3130 N Dixie Hwy, Troy, OH, 45373

Phone (937) 440-4800

Fax (937) 440-4381

Enumeration date Jul 18, 2006

Last updated in NPPES Aug 30, 2016

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 35062021 (OH) Primary

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License 35062021 (OH) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
H407582	Other	OH	MEDICARE PTAN
0929231	Medicaid	OH	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Joseph Ridgeway?

The National Provider Identifier (NPI) for Joseph Ridgeway is 1740209006, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joseph Ridgeway practice?

The practice location on file with NPPES is in Troy, OH. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Padmaja Sattu Internal Medicine Physician · Troy, OH NPI 1972508547 Miami County Urologists Inc Urology Physician · Troy, OH NPI 1366442857 Mohammed Hussain Urology Physician · Troy, OH NPI 1639179054 David Brown Diagnostic Radiology Physician · Troy, OH NPI 1013909027 West Central Emergency Physicians Emergency Medicine Physician · Troy, OH NPI 1578558417 Mohan R Nuthakki MD & Assoc Inc Hematology & Oncology Physician · Troy, OH NPI 1265405013 Upper Valley Medical Center Auxiliary Durable Medical Equipment & Medical Supplies · Troy, OH NPI 1568424323 Al-Mouthanna Rajab Anesthesiology Physician · Troy, OH NPI 1740246321

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-08-30.