Heber Nielsen, MD
NPI 1811005515 · Neonatal-Perinatal Medicine Physician · Boston, MA
Heber Nielsen, MD is a Neonatal-Perinatal Medicine Physician provider in Boston, MA (NPI 1811005515).
Provider details
- NPI number
- 1811005515
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 55950 (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
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
- 2006-08-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Heber Nielsen's NPI number?
- Heber Nielsen's National Provider Identifier (NPI) is 1811005515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heber Nielsen's specialty?
- Heber Nielsen is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Heber Nielsen located?
- Heber Nielsen's practice location on file with NPPES is 750 Washington St, Boston, MA 02111-1526.
- What is Heber Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Heber Nielsen is (617) 636-5000.
- Is Heber Nielsen's NPI active?
- Yes — Heber Nielsen's NPI (1811005515) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.