NPI age
17 years
Enumerated 2008-07-23
● Active
Type 1 · Individual
Heather Lynn McArthur, M.D.
McArthur is 1 of 75 internal medicine providers in Dallas and 1 of 576 in Texas.
Primary specialty
Internal Medicine
Plus 3 subspecialties
Licensed in
TX, NY, CA
3 states
Status
Active
No deactivations on record
Last NPPES update
2022-04-27
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 576 active internal medicine providers in Texas.
NPI age
17 years
↓ 2 yr below median (19 yr)
State licenses
3 states
Top 81% — 18% of peers are multi-state
Subspecialties
1
In the 46% of peers with subspecialties
NPI lifetime · 2008 → 2026
2008-07Enumerated in NPPES
2008
2026
Where they practice
Practice location
2201 Inwood Road 3rd Floor Nc3.500
Dallas, TX 753901804
Mailing address
Po Box 845347
Dallas, TX 752847208
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
8700 Beverly Blvd # Ac1042b
West Hollywood, CA 900481804
Location 3
300 E 66th St
New York, NY 100656800
Specialties
-
Internal Medicine PrimaryAn internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
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