John Greinwald, M.D.
NPI 1275547457 · Pediatric Otolaryngology Physician · Cincinnati, OH
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Greinwald, M.D. is a Pediatric Otolaryngology Physician provider in Cincinnati, OH (NPI 1275547457).
Provider details
- NPI number
- 1275547457
- Entity type
- Individual
- Primary specialty
- Pediatric Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35.077959 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$148 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1 Childrens PlzDayton, OH 45404-1873Phone: (937) 641-4000Fax: (937) 641-4500
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2025-04-07
- Certified
- 2025-04-07
Frequently asked questions
- What is John Greinwald's NPI number?
- John Greinwald's National Provider Identifier (NPI) is 1275547457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Greinwald's specialty?
- John Greinwald is listed in the NPPES registry with a primary specialty of Pediatric Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is John Greinwald located?
- John Greinwald's practice location on file with NPPES is 3333 Burnet Ave, Cincinnati, OH 45229-3039.
- What is John Greinwald's phone number?
- The practice phone number listed in the NPPES registry for John Greinwald is (513) 636-4355.
- Does John Greinwald accept Medicare?
- John Greinwald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Greinwald's NPI active?
- Yes — John Greinwald's NPI (1275547457) is active in the NPPES registry as of the last update on 2025-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.