Zechariah Dillingham, M.D.
NPI 1144673823 · Internal Medicine Physician · Natick, MA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zechariah Dillingham, M.D. is a Internal Medicine Physician provider in Natick, MA (NPI 1144673823).
Provider details
- NPI number
- 1144673823
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2016-07-19
- Last updated
- 2023-02-27
- Certified
- 2023-02-24
Frequently asked questions
- What is Zechariah Dillingham's NPI number?
- Zechariah Dillingham's National Provider Identifier (NPI) is 1144673823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zechariah Dillingham's specialty?
- Zechariah Dillingham is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zechariah Dillingham located?
- Zechariah Dillingham's practice location on file with NPPES is 10 General Greene Ave, Natick, MA 01760-5007.
- What is Zechariah Dillingham's phone number?
- The practice phone number listed in the NPPES registry for Zechariah Dillingham is (508) 206-2458.
- Does Zechariah Dillingham accept Medicare?
- Zechariah Dillingham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zechariah Dillingham's NPI active?
- Yes — Zechariah Dillingham's NPI (1144673823) is active in the NPPES registry as of the last update on 2023-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.