JOHN H GREINWALD JR. M.D.
NPI 1275547457
Otolaryngology - Pediatric Otolaryngology in Cincinnati, OH

Active since July 27, 2006PECOS EnrolledAccepts Medicare Assignment
3333 BURNET AVE, ML 2018, CINCINNATI, OH 45229(513) 636-4355(513) 636-8133 Get Directions Write a Review

NPPES record last updated: April 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1275547457
Entity TypeIndividualMale
Primary Taxonomy207YP0228X
Provider Legal NameJOHN H GREINWALD JR.Credential: M.D.
Location Address3333 BURNET AVE, ML 2018Cincinnati, OH 45229-3039
Mailing Address3333 Burnet Ave, Ml 5021Cincinnati, OH 45229-3039 · (513) 636-4225 · Fax (513) 636-2511
Fax(513) 636-8133
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 1987
Enumeration DateJuly 27, 2006
Last NPPES UpdateApril 7, 2025
NPPES CertifiedApril 7, 2025
✔ NPI 1275547457 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngology · Pediatric OtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207YP0228X
License✔ Licensed in OH · 35.077959
Definition
A pediatric otolaryngologist has special expertise in the management of infants and children with disorders that include congenital and acquired conditions involving the aerodigestive tract, nose and paranasal sinuses, the ear and other areas of the head and neck. The pediatric otolaryngologist has special skills in the diagnosis, treatment, and management of childhood disorders of voice, speech, language and hearing.
3333 BURNET AVE, Cincinnati, OH 45229

Secondary Practice Location 1

Location 11 Childrens PlzDayton, OH 45404-1873 · Phone (937) 641-4000 · Fax (937) 641-4500

Other Identifiers 1

Medicaid2212742OH

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.

PECOS PAC ID9537215330
PECOS Enrollment IDI20090921000169, I20210204002142
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

8

Medicare 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.

Pediatrics
3333 BURNET AVENUE
Cincinnati, OH 45229
  • Reassigned Medicare billing, Kentucky and Ohio enrollments
  • 110 clinicians in this Medicare group
Pediatrics
1 CHILDRENS PLZ
Dayton, OH 45404
  • Reassigned Medicare billing, Ohio enrollment
  • Medicare enrollment name: Dayton Childrens Specialty Physicians Inc
  • 479 clinicians in this Medicare group
Internal Medicine
2413 RING RD STE 100
Elizabethtown, KY 42701
  • Reassigned Medicare billing, Kentucky enrollment
  • 967 clinicians in this Medicare group
Cardiovascular Disease
1900 S MAIN ST
Findlay, OH 45840
  • Reassigned Medicare billing, Ohio enrollment
  • 120 clinicians in this Medicare group
Rural Health
1010 MEDICAL CENTER DR
Powderly, KY 42367
  • Reassigned Medicare billing, Kentucky enrollment
  • 325 clinicians in this Medicare group
Family Medicine
200 W MAIN ST
Ligonier, PA 15658
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 771 clinicians in this Medicare group
Internal Medicine
8600 N STATE ROUTE 91
Peoria, IL 61615
  • Reassigned Medicare billing, Illinois enrollment
  • 2,944 clinicians in this Medicare group
Family Medicine
110 PLAZA LN
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.

OwnershipVoluntary non-profit - Private
CMS Certification Number363300
Location3333 Burnet AvenueCincinnati, OH 45229 · Hamilton County
Emergency services

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Pediatric Radiology)
3333 BURNET AVE, ML 5031
CINCINNATI, OH 45229
Pediatrics (Pediatric Hematology-Oncology)
3333 BURNET AVE
CINCINNATI, OH 45229
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3333 BURNET AVE, ML 3014
CINCINNATI, OH 45229
Medical Genetics (Clinical Genetics (M.D.))
3333 BURNET AVE, ML 4006
CINCINNATI, OH 45229
Otolaryngology (Pediatric Otolaryngology)
3333 BURNET AVE, MLC 2018
CINCINNATI, OH 45229
Nurse Practitioner (Acute Care)
3333 BURNET AVE, ML 2003
CINCINNATI, OH 45229
Nurse Practitioner (Primary Care)
3333 BURNET AVE, ML 2018
CINCINNATI, OH 45229
Case Manager/Care Coordinator
3333 BURNET AVE
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.