JOHN H GREINWALD JR. M.D.
NPI 1275547457
Otolaryngology - Pediatric Otolaryngology in Cincinnati, OH
About John H Greinwald Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN H GREINWALD JR. M.D. (NPI 1275547457) is an individual pediatric otolaryngology provider in Cincinnati, Ohio, licensed in Ohio (35.077959) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Cincinnati Children's Hospital Medical Center, and maintains a secondary practice location in Dayton.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John H Greinwald Jr. M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show John Greinwald reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cincinnati, OH 45229
- Reassigned Medicare billing, Kentucky and Ohio enrollments
- 110 clinicians in this Medicare group
Dayton, OH 45404
- Reassigned Medicare billing, Ohio enrollment
- Medicare enrollment name: Dayton Childrens Specialty Physicians Inc
- 479 clinicians in this Medicare group
Elizabethtown, KY 42701
- Reassigned Medicare billing, Kentucky enrollment
- 967 clinicians in this Medicare group
Findlay, OH 45840
- Reassigned Medicare billing, Ohio enrollment
- 120 clinicians in this Medicare group
Powderly, KY 42367
- Reassigned Medicare billing, Kentucky enrollment
- 325 clinicians in this Medicare group
Ligonier, PA 15658
- Reassigned Medicare billing, Pennsylvania enrollment
- 771 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 clinicians in this Medicare group
Wellsboro, PA 16901
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Guthrie Medical Group PC
- 830 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cincinnati Children's Hospital Medical Center
Childrens · Cincinnati, OHOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CINCINNATI, OH 45229
CINCINNATI, OH 45229
CINCINNATI, OH 45229
CINCINNATI, OH 45229
CINCINNATI, OH 45229
CINCINNATI, OH 45229
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 John Greinwald's NPI number?
The NPI number for John Greinwald is 1275547457. It was assigned to this individual provider in the NPPES registry on July 27, 2006.
Where is John Greinwald located?
John Greinwald practices at 3333 Burnet Ave Ml 2018, Cincinnati, OH 45229. The listed phone number is (513) 636-4355.
What is John Greinwald's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is John Greinwald enrolled in Medicare?
Yes. John Greinwald is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Greinwald's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Greinwald reassigns Medicare benefits to 8 organizations: Children's Hospital Medical Center (Cincinnati, OH), Dayton Children's Specialty Physicians, Inc. (Dayton, OH), Baptist Health Medical Group Inc (Elizabethtown, KY), Specialty Physicians Of Blanchard Valley LLC (Findlay, OH), Baptist Health Deaconess Medical Group Inc (Powderly, KY) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Greinwald's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Greinwald accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource, MedMutual and Molina Healthcare list John Greinwald as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Greinwald affiliated with any hospitals?
According to CMS data, John Greinwald is affiliated with Cincinnati Children's Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for John Greinwald was last updated on April 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.