IndividualActive
Johanna Mailloux, M.D.
NPI 1548452865 · Pediatrics Physician · Holyoke, MA
Johanna Mailloux, M.D. is a Pediatrics Physician provider in Holyoke, MA (NPI 1548452865).
Provider details
- NPI number
- 1548452865
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 239094 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
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
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
230 Maple St
Holyoke, MA 01040-5144
Phone: (413) 420-2119
Street-level locationGet directions
Mailing address
Po Box 6260 230 Maple St
Holyoke, MA 01041-6260
Registry dates
- Enumerated
- 2007-08-10
- Last updated
- 2009-07-02
Frequently asked questions
- What is Johanna Mailloux's NPI number?
- Johanna Mailloux's National Provider Identifier (NPI) is 1548452865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johanna Mailloux's specialty?
- Johanna Mailloux is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Johanna Mailloux located?
- Johanna Mailloux's practice location on file with NPPES is 230 Maple St, Holyoke, MA 01040-5144.
- What is Johanna Mailloux's phone number?
- The practice phone number listed in the NPPES registry for Johanna Mailloux is (413) 420-2119.
- Is Johanna Mailloux's NPI active?
- Yes — Johanna Mailloux's NPI (1548452865) is active in the NPPES registry as of the last update on 2009-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.