William Riley, MD
NPI 1366948218 · Maternal & Fetal Medicine Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Riley, MD is a Maternal & Fetal Medicine Physician provider in Atlanta, GA (NPI 1366948218).
Provider details
- NPI number
- 1366948218
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 65689 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 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.
$85 across 5 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
Additional practice locations (1)
- 1924 Alcoa HwyKnoxville, TN 37920-1511Phone: (865) 305-8787Fax: (865) 305-8261
Registry dates
- Enumerated
- 2018-03-31
- Last updated
- 2026-04-08
- Certified
- 2026-04-08
Frequently asked questions
- What is William Riley's NPI number?
- William Riley's National Provider Identifier (NPI) is 1366948218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Riley's specialty?
- William Riley is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Riley located?
- William Riley's practice location on file with NPPES is 1000 Johnson Fy Rd Ne, Atlanta, GA 30342-1606.
- What is William Riley's phone number?
- The practice phone number listed in the NPPES registry for William Riley is (404) 303-7647.
- Does William Riley accept Medicare?
- William Riley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Riley's NPI active?
- Yes — William Riley's NPI (1366948218) is active in the NPPES registry as of the last update on 2026-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.