Louis Nackman, MD
NPI 1215927637 · Pediatrics Physician · Manchester, NH
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Nackman, MD is a Pediatrics Physician provider in Manchester, NH (NPI 1215927637).
Provider details
- NPI number
- 1215927637
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 9740 (NH)
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
20 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
Mailing address
Registry dates
- Enumerated
- 2005-10-26
- Last updated
- 2011-01-27
Frequently asked questions
- What is Louis Nackman's NPI number?
- Louis Nackman's National Provider Identifier (NPI) is 1215927637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Nackman's specialty?
- Louis Nackman is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Nackman located?
- Louis Nackman's practice location on file with NPPES is 275 Mammoth Rd, Manchester, NH 03109-4133.
- What is Louis Nackman's phone number?
- The practice phone number listed in the NPPES registry for Louis Nackman is (603) 663-8300.
- Does Louis Nackman accept Medicare?
- Louis Nackman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Nackman's NPI active?
- Yes — Louis Nackman's NPI (1215927637) is active in the NPPES registry as of the last update on 2011-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.