NPI age
8 years
Enumerated 2017-06-22
● Active
Type 1 · Individual
DR. Erin Tuttle, MD
Tuttle is 1 of 157 internal medicine providers in Dallas and 1 of 1318 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX, PA
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-02-12
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 1318 active internal medicine providers in Texas.
NPI age
8 years
↓ 10 yr below median (18 yr)
State licenses
2 states
Top 84% — 15% of peers are multi-state
Subspecialties
2
In the 57% of peers with subspecialties
NPI lifetime · 2017 → 2026
2017-06Enumerated in NPPES
2017
2026
Where they practice
Practice location
221 W Colorado Blvd Ste 525
Dallas, TX 752082312
Mailing address
5605 N MacArthur Blvd Ste 740
Irving, TX 750382626
Additional practice locations
1 secondary location on file with NPPES.
Location 2
245 N 15th St # MS 427
Philadelphia, PA 191021101
Specialties
-
Internal Medicine PrimaryAn internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex...
-
Internal MedicineAn internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the...
-
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,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (PA) | MT214515 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 106 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new internal medicine provider has been added in Dallas in the last 180 days.
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Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.