IndividualActive
Robert Nierman, M.D.
NPI 1801834023 · Surgery Physician · Watertown, MA
Robert Nierman, M.D. is a Surgery Physician provider in Watertown, MA (NPI 1801834023).
Provider details
- NPI number
- 1801834023
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 38289 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
705 Mt. Auborn Street
Tufts Health Plan
Watertown, MA 02472
Phone: (617) 972-9025
Street-level locationGet directions
Mailing address
43 Valleyfield St
Lexington, MA 02421-7949
Registry dates
- Enumerated
- 2006-06-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Nierman's NPI number?
- Robert Nierman's National Provider Identifier (NPI) is 1801834023, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Nierman's specialty?
- Robert Nierman is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Nierman located?
- Robert Nierman's practice location on file with NPPES is 705 Mt. Auborn Street, Watertown, MA 02472.
- What is Robert Nierman's phone number?
- The practice phone number listed in the NPPES registry for Robert Nierman is (617) 972-9025.
- Is Robert Nierman's NPI active?
- Yes — Robert Nierman's NPI (1801834023) 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.