Nancy Tsai, M.D.
NPI 1528277225 · Neonatal-Perinatal Medicine Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Tsai, M.D. is a Neonatal-Perinatal Medicine Physician provider in Green Bay, WI (NPI 1528277225).
Provider details
- NPI number
- 1528277225
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 238495 (MA)
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
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)
- 1506 S Oneida StAppleton, WI 54915-1305Phone: (920) 831-0505
Registry dates
- Enumerated
- 2007-05-21
- Last updated
- 2025-06-25
- Certified
- 2025-06-25
Frequently asked questions
- What is Nancy Tsai's NPI number?
- Nancy Tsai's National Provider Identifier (NPI) is 1528277225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Tsai's specialty?
- Nancy Tsai is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Tsai located?
- Nancy Tsai's practice location on file with NPPES is 2845 Greenbrier Rd, Green Bay, WI 54311-6519.
- What is Nancy Tsai's phone number?
- The practice phone number listed in the NPPES registry for Nancy Tsai is (920) 288-4560.
- Does Nancy Tsai accept Medicare?
- Nancy Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Tsai's NPI active?
- Yes — Nancy Tsai's NPI (1528277225) is active in the NPPES registry as of the last update on 2025-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.