John Winningham, M.D.
NPI 1922489483 · Pediatrics Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Winningham, M.D. is a Pediatrics Physician provider in Greenville, SC (NPI 1922489483).
Provider details
- NPI number
- 1922489483
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- LL38144 (SC)
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
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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.
$196 across 11 records (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
Registry dates
- Enumerated
- 2015-06-10
- Last updated
- 2015-08-10
Frequently asked questions
- What is John Winningham's NPI number?
- John Winningham's National Provider Identifier (NPI) is 1922489483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Winningham's specialty?
- John Winningham is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is John Winningham located?
- John Winningham's practice location on file with NPPES is 701 Grove Rd, Greenville, SC 29605-4210.
- What is John Winningham's phone number?
- The practice phone number listed in the NPPES registry for John Winningham is (864) 455-7895.
- Does John Winningham accept Medicare?
- John Winningham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Winningham's NPI active?
- Yes — John Winningham's NPI (1922489483) is active in the NPPES registry as of the last update on 2015-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.