Doctor profile · Federal record

Dr. Tahmina Haq, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Internal Medicine Physician · Gastroenterology Physician · Hepatology Physician · Hepatology Physician · Yorba Linda, CA

  • NPI 1538332853
  • Accepts Medicare
  • MIPS 77.2 / 100 · 2023
  • 21 yrs in practice
  • Licensed in 3 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
16671 Yorba Linda Blvd Ste 100
Yorba Linda, CA 92886
(714) 985-6400
fax (714) 985-6425
Additional location
16671 Yorba Linda Blvd Ste 200
Yorba Linda, CA 92886
(714) 996-3700
fax (714) 993-5897
Additional location
910 S Sunset Ave, Suite No 5
West Covina, CA 917903409
(626) 338-8407
Show 1 more location
Additional location
2535 S Downing St Ste 380
Denver, CO 802105850
(303) 778-5797

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
February 24, 2023
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
California #A116126 · Nevada #14096 · Colorado #DR.0070328

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538332853. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
496
Distinct HCPCS
9
Medicare allowed
$52,118
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 321 102 $82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 53 53 $137
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $179
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 22 22 $122
45380 Biopsy of large bowel using a flexible endoscope 20 20 $132
99214 Established patient office or other outpatient visit, 30-39 minutes 18 15 $135
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 14 14 $264
99203 New patient office or other outpatient visit, 30-44 minutes 12 12 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 12 11 $99

In context: peer comparison

Among 5 peers in Yorba Linda Gastroenterology Physician, average services per provider: 46. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$233
Transactions
10
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 4 $118.93
Medtronic, INC. 2 $41.63
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $22.95
Gilead Sciences, INC. 1 $20.69
Abbvie INC. 1 $15.28
Boston Scientific Corporation 1 $13.42

By nature of payment

Food and Beverage
$233

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
176
Patients
142
Total drug cost
$2,665
Drug Type Claims Patients Total cost
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 109 100 $1,789
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 25 25 $473
Pantoprazole Sodium Generic 23 17 $264
Omeprazole Generic 19 0 $140

Frequently asked questions

Auto-generated from federal data
What is Dr. Tahmina Haq's medical specialty?
Dr. Tahmina Haq practices Gastroenterology Physician in Yorba Linda, CA.
Where does Dr. Tahmina Haq practice?
Dr. Tahmina Haq practices at 16671 Yorba Linda Blvd Ste 100, Yorba Linda, CA 92886. Office phone: 7149856400.
What is Dr. Tahmina Haq's NPI?
Dr. Tahmina Haq's National Provider Identifier (NPI) is 1538332853, issued by NPPES.
Does Dr. Tahmina Haq accept Medicare assignment?
Yes. Dr. Tahmina Haq accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tahmina Haq commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.