Louann Maffei-Iwuc, M.D.
NPI 1952335416 · Pediatrics Physician · Westborough, MA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louann Maffei-Iwuc, M.D. is a Pediatrics Physician provider in Westborough, MA (NPI 1952335416).
Provider details
- NPI number
- 1952335416
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 54095 (MA)
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
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)
- 24 Lyman StSuite 280Westborough, MA 01581-1482Phone: (508) 366-2320Fax: (508) 366-2161
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2018-03-09
Frequently asked questions
- What is Louann Maffei-Iwuc's NPI number?
- Louann Maffei-Iwuc's National Provider Identifier (NPI) is 1952335416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louann Maffei-Iwuc's specialty?
- Louann Maffei-Iwuc is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Louann Maffei-Iwuc located?
- Louann Maffei-Iwuc's practice location on file with NPPES is 900 Union St, Westborough, MA 01581-5408.
- What is Louann Maffei-Iwuc's phone number?
- The practice phone number listed in the NPPES registry for Louann Maffei-Iwuc is (508) 898-2338.
- Does Louann Maffei-Iwuc accept Medicare?
- Louann Maffei-Iwuc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louann Maffei-Iwuc's NPI active?
- Yes — Louann Maffei-Iwuc's NPI (1952335416) is active in the NPPES registry as of the last update on 2018-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.