Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Lee W Haak, MD

Individual provider Hospitalist Physician · NPI 1104803923

Lee W Haak, MD is an Emergency Medicine in Grapevine, Texas. Graduated from Texas a & M University System, Hsc, College of Medicine in 2000, 26 years ago. Practices with Hni Medical Services, a 35-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
26
Trained at
Texas a & M University System, Hsc, College of Medicine
Licensed in
TX
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5301 William D Tate Ave
Grapevine, TX 76051-7357
Phone: (817) 251-2101
Fax: (817) 421-5041
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 110 E Savannah Ave Bldg B, McAllen, TX 78503-1241 — (956) 686-7611

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence L2296 (TX)
Hospitalist Physician Taxonomy 208M00000X · Licence L2296 (TX)

Record details

NPI number1104803923
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 22, 2005
Last updated in NPPESApril 30, 2025
Certification dateApril 30, 2025
Mailing address110 E Savannah Ave, Bldg B Suite 203, McAllen, TX 78503-9494

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolTEXAS A & M UNIVERSITY SYSTEM, HSC, COLLEGE OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Hni Medical Services — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Grapevine