1. Home
  2. Directory
  3. Maryland
  4. Chevy Chase
  5. Internal Medicine
  6. NPI Profile

DR. JAMES FRANCIS MACKIN MD
NPI 1780797647
Internal Medicine - Endocrinology, Diabetes & Metabolism in Chevy Chase, MD

Active since August 16, 2006
5454 WISCONSIN AVE, SUITE 675, CHEVY CHASE, MD 20815(301) 657-0802(301) 657-0803 Get Directions Write a Review

NPPES record last updated: February 20, 2008. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. James Francis Mackin Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES FRANCIS MACKIN MD (NPI 1780797647) is an individual endocrinology, diabetes & metabolism provider in Chevy Chase, Maryland, licensed in Maryland (D0037678) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1780797647
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. JAMES FRANCIS MACKINCredential: MD
Location Address5454 WISCONSIN AVE, SUITE 675Chevy Chase, MD 20815-0630
Mailing Address5454 Wisconsin Ave, Suite 675Chevy Chase, MD 20815-0630 · (301) 657-0802 · Fax (301) 657-0803
Phone(301) 657-0802
Fax(301) 657-0803
Sole ProprietorNo
Enumeration DateAugust 16, 2006
Last NPPES UpdateFebruary 20, 2008
✔ NPI 1780797647 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses✔ Licensed in MD · D0037678✔ Licensed in DC · MD 25579
Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

5454 WISCONSIN AVE, Chevy Chase, MD 20815
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type UnspecifiedG01080
Medicare UPINC87788

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DAVID K BERLER MD
Specialist
5454 WISCONSIN AVE, STE 950
CHEVY CHASE, MD 20815
Montgomery County (301) 654-5114
ROY R RUBINFELD MD
Specialist
5454 WISCONSIN AVE, STE 950
CHEVY CHASE, MD 20815
Montgomery County (301) 654-5114
MARWA A ADI MD
Specialist
5454 WISCONSIN AVE, STE 950
CHEVY CHASE, MD 20815
Montgomery County (301) 654-5114
KENNETH S SCHWARTZ MD
Specialist
5454 WISCONSIN AVE, STE 950
CHEVY CHASE, MD 20815
Montgomery County (301) 654-5114
FREDERICK PEARSON SMITH M.D.
Internal Medicine (Medical Oncology)
5454 WISCONSIN AVE, STE 1300
CHEVY CHASE, MD 20815
Montgomery County (301) 657-4588
DR. FREDERICK GREINER BARR M.D.
Internal Medicine (Hematology & Oncology)
5454 WISCONSIN AVE, STE 1300
CHEVY CHASE, MD 20815
Montgomery County (301) 657-8587
SEAN MICHAEL DWYER M.D.
Internal Medicine (Cardiovascular Disease)
5454 WISCONSIN AVE, SUITE 925
CHEVY CHASE, MD 20815
Montgomery County (301) 657-1682
BARRY STEVEN TALESNICK M.D.
Internal Medicine (Cardiovascular Disease)
5454 WISCONSIN AVE, SUITE 925
CHEVY CHASE, MD 20815
Montgomery County (301) 657-1682

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Mackin's NPI number?

The NPI number for James Mackin is 1780797647. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Where is James Mackin located?

James Mackin practices at 5454 Wisconsin Ave Suite 675, Chevy Chase, MD 20815. The listed phone number is (301) 657-0802.

What is James Mackin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for James Mackin was last updated on February 20, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.