John Nadeau, MD
NPI 1821172933 · Nephrology Physician · Nashville, TN
John Nadeau, MD is a Nephrology Physician provider in Nashville, TN (NPI 1821172933).
Provider details
- NPI number
- 1821172933
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD11145 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-10-25
- Last updated
- 2012-09-20
Frequently asked questions
- What is John Nadeau's NPI number?
- John Nadeau's National Provider Identifier (NPI) is 1821172933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Nadeau's specialty?
- John Nadeau is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is John Nadeau located?
- John Nadeau's practice location on file with NPPES is 3601 Tvc, Nashville, TN 37232-0001.
- What is John Nadeau's phone number?
- The practice phone number listed in the NPPES registry for John Nadeau is (615) 322-3000.
- Is John Nadeau's NPI active?
- Yes — John Nadeau's NPI (1821172933) is active in the NPPES registry as of the last update on 2012-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.