NPI age
9 years
Enumerated 2017-04-03
● Active
Type 1 · Individual
Melanie Holtrop, M.D.
Holtrop is 1 of 157 internal medicine providers in Dallas and 1 of 1318 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
MI
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-02-10
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1318 active internal medicine providers in Texas.
NPI age
9 years
↓ 9 yr below median (18 yr)
State licenses
1 state
15% of peers hold multiple states
Subspecialties
2
In the 57% of peers with subspecialties
NPI lifetime · 2017 → 2026
2017-04Enumerated in NPPES
2017
2026
Where they practice
Practice location
5323 Harry Hines Blvd
Dallas, TX 753907201
Mailing address
5323 Harry Hines Blvd
Dallas, TX 753907201
Additional practice locations
1 secondary location on file with NPPES.
Location 2
5087 N Royal Dr
Traverse City, MI 496846987
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...
-
PediatricsA pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment...
Practice context
Part of a multi-provider practice. 4085 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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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.