Peter Janzen, DO
NPI 1871088054 · Neonatal-Perinatal Medicine Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Janzen, DO is a Neonatal-Perinatal Medicine Physician provider in Nashville, TN (NPI 1871088054).
Provider details
- NPI number
- 1871088054
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 0116032091 (VA)
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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 3300 Gallows RdFalls Church, VA 22042-3307Phone: (703) 776-6652
Registry dates
- Enumerated
- 2018-06-28
- Last updated
- 2024-09-23
- Certified
- 2024-09-23
Frequently asked questions
- What is Peter Janzen's NPI number?
- Peter Janzen's National Provider Identifier (NPI) is 1871088054, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Janzen's specialty?
- Peter Janzen is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Janzen located?
- Peter Janzen's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-3307.
- What is Peter Janzen's phone number?
- The practice phone number listed in the NPPES registry for Peter Janzen is (615) 322-5000.
- Does Peter Janzen accept Medicare?
- Peter Janzen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Janzen's NPI active?
- Yes — Peter Janzen's NPI (1871088054) is active in the NPPES registry as of the last update on 2024-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.