Tahmina Haq, M.D.
Gastroenterology (CMS) · Yorba Linda, CA
At a glance
16671 Yorba Linda Blvd Ste 100, Yorba Linda, CA 92886
Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Feb 24, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
16671 Yorba Linda Blvd Ste 100Yorba Linda, CA 92886
Additional reported practice locations
910 S Sunset AveSuite No 5
West Covina, CA 917903409
Phone: 6263388407 16671 Yorba Linda Blvd Ste 200
Yorba Linda, CA 92886
Phone: 7149963700
Fax: 7149935897 16671 Yorba Linda Blvd Ste 200
Yorba Linda, CA 92886
Phone: 7149963700
Fax: 7149935897 2535 S Downing St Ste 380
Denver, CO 802105850
Phone: 3037785797
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2005
- CMS specialties
- Gastroenterology
Reported hospital affiliations
- Providence St. Jude Medical Center Fullerton, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Colonoscopy | 70 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 48 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $263.18 |
Reporting companies
| Company | Amount |
|---|---|
| COOK MEDICAL LLC | $105.79 |
| JANSSEN BIOTECH, INC. | $35.77 |
| MEDTRONIC, INC. | $31.85 |
| GILEAD SCIENCES, INC. | $31.08 |
| CONMED CORPORATION | $20.85 |
| BRAINTREE LABORATORIES, INC. | $19.36 |
| SALIX PHARMACEUTICALS, A DIVISION OF BAUSCH HEALTH US, LLC | $18.48 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Gastroenterology (CMS)
- Taxonomy code
- 207RG0100X
- Enumeration date
- Apr 8, 2008
- Record updated
- Feb 24, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: A116126 CA
207R00000X
License reported: 14096 NV
207RG0100X
License reported: DR.0070328 CO
207RI0008X
License reported: A116126 CA
207RI0008X
License reported: DR.0070328 CO
207RG0100X · Primary
License reported: A116126 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
16671 Yorba Linda Blvd Ste 100Yorba Linda, CA 92886
- Phone
- (714) 985-6400
- Fax
- (714) 985-6425
Mailing address
16671 YORBA LINDA BLVD STE 100YORBA LINDA, CA 928862025
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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