DR. JAMES A. DIEHL PH.D.
NPI 1952360323
Psychologist in Cincinnati, OH
About Dr. James A. Diehl Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES A. DIEHL PH.D. (NPI 1952360323) is an individual psychologist in Cincinnati, Ohio, licensed in Ohio (4046) and active in the NPI registry since March 2006. He has opted out of Medicare through April 29, 2027 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Dr. James A. Diehl Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 29, 2019 through April 29, 2027.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CINCINNATI, OH 45239
CINCINNATI, OH 45239
CINCINNATI, OH 45239
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 James Diehl's NPI number?
The NPI number for James Diehl is 1952360323. It was assigned to this individual provider in the NPPES registry on March 22, 2006.
Where is James Diehl located?
James Diehl practices at 3253 N Bend Rd, Cincinnati, OH 45239. The listed phone number is (513) 662-9900.
What is James Diehl's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is James Diehl enrolled in Medicare?
No. James Diehl has opted out of Medicare through April 29, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
When was this NPI record last updated?
The NPPES record for James Diehl was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.