Doctor profile · Federal record

Dr. Therese Sison

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Houston, TX

  • NPI 1841618295
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
427 W 20Th St Ste 500
Houston, TX 770082431
(713) 363-9830
Additional location
1001 Studewood St Ste 200B
Houston, TX 77008
Additional location
6431 Fannin St, Suite Msb 1.134
Houston, TX 770301501
(713) 500-6500
fax (713) 500-6497
Mailing address
1001 Studewood St Ste 200B
Houston, TX 770087190

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
April 23, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #R1455
Medicaid
TX #370933903

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841618295. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
671
Distinct HCPCS
10
Medicare allowed
$64,433
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 241 136 $129
99213 Established patient office or other outpatient visit, 20-29 minutes 90 69 $92
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 78 78 $131
G0444 Annual depression screening, 5 to 15 minutes 66 66 $19
G0008 Administration of influenza virus vaccine 38 37 $31
90662 Influenza vaccine split virus, preservative free 36 35 $69
0124A Adm sarscv2 bvl 30mcg/.3ml a 23 23 $42
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 18 18 $282
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 18 18 $15
G0009 Administration of pneumococcal vaccine 18 18 $31

In context: peer comparison

Among 393 peers in this city , average services per provider: 127. This provider delivers 5.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$793
Transactions
42
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 11 $189.12
Gilead Sciences, Inc. 7 $139.57
ViiV Healthcare Company 6 $130.10
Lilly USA, LLC 4 $79.43
PFIZER INC. 4 $78.86
AstraZeneca Pharmaceuticals LP 4 $68.40
Exact Sciences Corporation 3 $46.01
Merck Sharp & Dohme LLC 2 $42.84
ABBVIE INC. 1 $18.50

By nature of payment

Food and Beverage
$793

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,201
Patients
429
Total drug cost
$17,622
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 203 67 $2,788
Amlodipine Besylate Generic 120 46 $892
Levothyroxine Sodium Generic 119 40 $1,868
Lisinopril Generic 96 38 $847
Rosuvastatin Calcium Generic 96 39 $2,995
Losartan Potassium Generic 92 32 $1,133
Hydrochlorothiazide Generic 72 24 $437
Pravastatin Sodium Generic 63 19 $903
Gabapentin Generic 56 22 $1,440
Metformin Hcl Generic 54 22 $516

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Therese Sison's medical specialty?
Dr. Therese Sison practices Internal Medicine Physician in Houston, TX.
Where does Dr. Therese Sison practice?
Dr. Therese Sison practices at 427 W 20Th St Ste 500, Houston, TX 770082431. Office phone: 7133639830.
What is Dr. Therese Sison's NPI?
Dr. Therese Sison's National Provider Identifier (NPI) is 1841618295, issued by NPPES.
Does Dr. Therese Sison accept Medicare assignment?
Yes. Dr. Therese Sison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Therese Sison 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.