Doctor profile · Federal record

Dr. Anna Alquiza, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Houston, TX

  • NPI 1639177850
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
929 Gessner RD Ste 2450
Houston, TX 770242593
(713) 464-9939
fax (713) 464-9942
Additional location
611 N Bryan RD
Mission, TX 78572
(956) 580-3303
fax (956) 580-1505
Additional location
929 Gessner RD Ste 1500
Houston, TX 770242675
(713) 442-5200
Mailing address
11511 Shadow Creek Pkwy
Pearland, TX 775847298

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
November 25, 2025
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #L9066
Medicaid (2)
TX #1639177850 · TX #173025101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639177850. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
519
Distinct HCPCS
7
Medicare allowed
$56,767
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 271 160 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 142 110 $87
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 58 58 $131
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 12 12 $76
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 12 12 $15
99203 New patient office or other outpatient visit, 30-44 minutes 12 12 $115
G0008 Administration of influenza virus vaccine 12 12 $30

In context: peer comparison

Among 393 peers in this city , average services per provider: 127. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $23.94

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
283
Patients
161
Total drug cost
$3,254
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 31 15 $508
Levothyroxine Sodium Generic 31 15 $432
Doxycycline Hyclate Generic 26 26 $330
Rosuvastatin Calcium Generic 25 15 $293
Prednisone Generic 22 19 $45
Ciprofloxacin Hcl Generic 21 17 $185
Losartan Potassium Generic 18 0 $213
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 16 16 $405
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 16 $140
Amlodipine Besylate Generic 14 0 $132

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anna Alquiza's medical specialty?
Dr. Anna Alquiza practices Internal Medicine Physician in Houston, TX.
Where does Dr. Anna Alquiza practice?
Dr. Anna Alquiza practices at 929 Gessner RD Ste 2450, Houston, TX 770242593. Office phone: 7134649939.
What is Dr. Anna Alquiza's NPI?
Dr. Anna Alquiza's National Provider Identifier (NPI) is 1639177850, issued by NPPES.
Does Dr. Anna Alquiza accept Medicare assignment?
Yes. Dr. Anna Alquiza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anna Alquiza commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.