Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
James R Rademacher, M.D.
Ophthalmology Physician in Troy, OH · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1669475133
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Registry record
Entity type Individual (Type 1)
Name James R Rademacher
Credential M.D.
Sex Male
Practice address 180 S Stanfield Rd, Troy, OH, 45373
Phone (937) 335-9020
Fax (937) 335-6684
Enumeration date May 27, 2005
Last updated in NPPES Sep 16, 2020
Taxonomy & licenses
207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 26886 (SC) Secondary
207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 35089288 (OH) Primary
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 |
|---|---|---|---|
| 20036127 | Other | SC | SELECT HEALTH |
| 9624212 | Other | SC | GHI |
| 7439590 | Other | SC | AETNA |
| 268864 | Medicaid | SC | - |
| P00127042 | Other | SC | RAILROAD MEDICARE |
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.
Frequently asked questions
Is NPI 1669475133 active?
Yes, as of the latest NPPES snapshot, NPI 1669475133 is active (record last updated 2020-09-16).
How do I verify James Rademacher's NPI record?
Cross-check NPI 1669475133 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-16.