James Mackin, MD
NPI 1780797647 · Endocrinology, Diabetes & Metabolism Physician · Chevy Chase, MD
James Mackin, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Chevy Chase, MD (NPI 1780797647).
Provider details
- NPI number
- 1780797647
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0037678 (MD)
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
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
- 2006-08-16
- Last updated
- 2008-02-20
Frequently asked questions
- What is James Mackin's NPI number?
- James Mackin's National Provider Identifier (NPI) is 1780797647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Mackin's specialty?
- James Mackin is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is James Mackin located?
- James Mackin's practice location on file with NPPES is 5454 Wisconsin Ave, Chevy Chase, MD 20815-0630.
- What is James Mackin's phone number?
- The practice phone number listed in the NPPES registry for James Mackin is (301) 657-0802.
- Is James Mackin's NPI active?
- Yes — James Mackin's NPI (1780797647) is active in the NPPES registry as of the last update on 2008-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.