Doctor profile · Federal record

Dr. Lee Haak, MD

Family Medicine Physician (CMS: Emergency Medicine) · Hospitalist Physician · Grapevine, TX

  • NPI 1104803923
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5301 William D Tate Ave
Grapevine, TX 760517357
(817) 251-2101
fax (817) 421-5041
Additional location
110 E Savannah Ave Bldg B
McAllen, TX 785031241
(956) 686-7611
fax (956) 618-3164
Mailing address
110 E Savannah Ave, Bldg B Suite 203
McAllen, TX 785039494

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
April 30, 2025
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Texas #L2296
Medicaid (2)
TX #146776321 · TX #146776307

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104803923. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
964
Distinct HCPCS
8
Medicare allowed
$104,845
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 305 101 $76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 294 138 $114
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 164 152 $167
99238 Hospital discharge day management, 30 minutes or less 85 76 $78
99239 Hospital discharge day management, more than 30 minutes 75 70 $110
99203 New patient office or other outpatient visit, 30-44 minutes 16 16 $110
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 13 12 $201
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $125

In context: peer comparison

Among 7 peers in Grapevine Family Medicine Physician, average services per provider: 81. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$381
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 1 $135.40
Ucb, INC. 1 $124.03
Otsuka America Pharmaceutical, INC. 1 $121.16

By nature of payment

Food and Beverage
$381

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
388
Patients
364
Total drug cost
$3,133
Drug Type Claims Patients Total cost
Prednisone Generic 53 52 $163
Doxycycline Hyclate Generic 33 33 $428
Clopidogrel (Clopidogrel Bisulfate) Brand 31 19 $224
Cefdinir Generic 30 30 $624
Levofloxacin Generic 28 28 $123
Azithromycin Generic 26 26 $141
Furosemide Generic 23 22 $73
Metoprolol Succinate Generic 23 23 $167
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 21 21 $110
Metoprolol Tartrate Generic 21 20 $114

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lee Haak's medical specialty?
Dr. Lee Haak practices Family Medicine Physician in Grapevine, TX.
Where does Dr. Lee Haak practice?
Dr. Lee Haak practices at 5301 William D Tate Ave, Grapevine, TX 760517357. Office phone: 8172512101.
What is Dr. Lee Haak's NPI?
Dr. Lee Haak's National Provider Identifier (NPI) is 1104803923, issued by NPPES.
Does Dr. Lee Haak accept Medicare assignment?
Yes. Dr. Lee Haak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lee Haak commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.