William Ralph, MD
NPI 1194830612 · Allergy Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ralph, MD is a Allergy Physician provider in Nashville, TN (NPI 1194830612).
Provider details
- NPI number
- 1194830612
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- TN07689 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-21
- Last updated
- 2025-09-11
Frequently asked questions
- What is William Ralph's NPI number?
- William Ralph's National Provider Identifier (NPI) is 1194830612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ralph's specialty?
- William Ralph is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is William Ralph located?
- William Ralph's practice location on file with NPPES is 330 22nd Ave N, Nashville, TN 37203-1844.
- What is William Ralph's phone number?
- The practice phone number listed in the NPPES registry for William Ralph is (615) 329-9431.
- Does William Ralph accept Medicare?
- William Ralph is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ralph's NPI active?
- Yes — William Ralph's NPI (1194830612) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.