Nathan Sundgren, MD, PHD
NPI 1396942165 · Neonatal-Perinatal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Sundgren, MD, PHD is a Neonatal-Perinatal Medicine Physician provider in Houston, TX (NPI 1396942165).
Provider details
- NPI number
- 1396942165
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- M8368 (TX)
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
18 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)
- 5201 Harry Hines BlvdDallas, TX 75235-7708Phone: (214) 590-8000
Registry dates
- Enumerated
- 2007-06-27
- Last updated
- 2025-09-23
- Certified
- 2025-09-23
Frequently asked questions
- What is Nathan Sundgren's NPI number?
- Nathan Sundgren's National Provider Identifier (NPI) is 1396942165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Sundgren's specialty?
- Nathan Sundgren is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Sundgren located?
- Nathan Sundgren's practice location on file with NPPES is 1504 Taub Loop, Houston, TX 77030-1608.
- What is Nathan Sundgren's phone number?
- The practice phone number listed in the NPPES registry for Nathan Sundgren is (713) 873-5437.
- Does Nathan Sundgren accept Medicare?
- Nathan Sundgren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Sundgren's NPI active?
- Yes — Nathan Sundgren's NPI (1396942165) is active in the NPPES registry as of the last update on 2025-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.