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Nathaniel Gunn, M.D.
NPI 1912041963 · Internal Medicine Physician · Waltham, MA
Nathaniel Gunn, M.D. is a Internal Medicine Physician provider in Waltham, MA (NPI 1912041963).
Provider details
- NPI number
- 1912041963
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A77328 (CA)
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
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
201 Jones Rd
4th Floor
Waltham, MA 02451-1600
Phone: (781) 693-3786
Fax: (781) 207-0097
Street-level locationGet directions
Mailing address
201 Jones Rd
Waltham, MA 02451-1600
Registry dates
- Enumerated
- 2007-02-16
- Last updated
- 2012-05-22
Frequently asked questions
- What is Nathaniel Gunn's NPI number?
- Nathaniel Gunn's National Provider Identifier (NPI) is 1912041963, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Gunn's specialty?
- Nathaniel Gunn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathaniel Gunn located?
- Nathaniel Gunn's practice location on file with NPPES is 201 Jones Rd, Waltham, MA 02451-1600.
- What is Nathaniel Gunn's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Gunn is (781) 693-3786.
- Is Nathaniel Gunn's NPI active?
- Yes — Nathaniel Gunn's NPI (1912041963) is active in the NPPES registry as of the last update on 2012-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.