P Praxis·MD
● Active Type 1 · Individual

DR. Karin Larissa Nicholson, MD

Internal Medicine·Fort Hood, TX· NPI 1871584540 · Enumerated 2005 · 20 years on NPI
Nicholson is 1 of 4 internal medicine providers in Fort Hood and 1 of 1318 in Texas.
NPI age
20 years
Enumerated 2005-11-02
Primary specialty
Internal Medicine
Plus 3 subspecialties
Licensed in
IN
1 state
Status
Active
No deactivations on record
Last NPPES update
2021-12-27
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
20 years
↑ 2 yr above median (18 yr)
State licenses
1 state
15% of peers hold multiple states
Subspecialties
3
In the 57% of peers with subspecialties

NPI lifetime · 2005 → 2026

2005-11Enumerated in NPPES
2005 2026

Where they practice

Practice location
36000 Darnall Loop, McHe-Qd (creds)
Fort Hood, TX 765445095
📞 2542888921fax 2542888712
Mailing address
1105 Waimea Bnd
Round Rock, TX 786812379
📞 2542888921fax 2542888712

Specialties

  • Internal Medicine Primary
    An 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...
    IN license #01056268A taxonomy 207RP1001X
  • Internal Medicine
    An 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...
    IN license #01056268A taxonomy 207RC0200X
  • Internal Medicine
    An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders....
    IN license #01056268A taxonomy 207RS0012X
  • Internal Medicine
    A 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,...
    IN license #01056268A taxonomy 207R00000X

Practice context

Part of a multi-provider practice. 335 other active providers share this practice address in NPPES.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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