Timothy Mastro, M.D.
NPI 1548536352 · Internal Medicine Physician · Durham, NC
Timothy Mastro, M.D. is a Internal Medicine Physician provider in Durham, NC (NPI 1548536352).
Provider details
- NPI number
- 1548536352
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2012-00251 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2012-03-26
- Last updated
- 2012-03-26
Frequently asked questions
- What is Timothy Mastro's NPI number?
- Timothy Mastro's National Provider Identifier (NPI) is 1548536352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Mastro's specialty?
- Timothy Mastro is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Mastro located?
- Timothy Mastro's practice location on file with NPPES is 2224 E Nc Highway 54, Durham, NC 27713-2208.
- What is Timothy Mastro's phone number?
- The practice phone number listed in the NPPES registry for Timothy Mastro is (919) 544-7040.
- Is Timothy Mastro's NPI active?
- Yes — Timothy Mastro's NPI (1548536352) is active in the NPPES registry as of the last update on 2012-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.