Nathan Zajac, MD
NPI 1477873529 · Internal Medicine Physician · Nashville, TN
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Zajac, MD is a Internal Medicine Physician provider in Nashville, TN (NPI 1477873529).
Provider details
- NPI number
- 1477873529
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101253159 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-06-10
- Last updated
- 2021-08-26
- Certified
- 2021-08-26
Frequently asked questions
- What is Nathan Zajac's NPI number?
- Nathan Zajac's National Provider Identifier (NPI) is 1477873529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Zajac's specialty?
- Nathan Zajac is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Zajac located?
- Nathan Zajac's practice location on file with NPPES is 1310 24th Ave S, Nashville, TN 37212-2637.
- What is Nathan Zajac's phone number?
- The practice phone number listed in the NPPES registry for Nathan Zajac is (615) 225-6950.
- Does Nathan Zajac accept Medicare?
- Nathan Zajac is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Zajac's NPI active?
- Yes — Nathan Zajac's NPI (1477873529) is active in the NPPES registry as of the last update on 2021-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.