Giovanna Elizabeth Mariano, MD
Family Medicine · Tomball, TX
At a glance
14211 Fm 2920 Rd Ste 110, Tomball, TX 77377-5505
NPPES record updated Jan 6, 2025. 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
14211 Fm 2920 Rd Ste 110Tomball, TX 77377-5505
Additional reported practice locations
8111 Cypresswood Dr Ste 103Spring, TX 773797180
Phone: 2812058240 2255 E Mossy Oaks Rd Ste 320
Spring, TX 773891812
Phone: 9362662195
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2004
- CMS specialties
- Family Practice · Preventive Medicine
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Houston Methodist The Woodlands Hospital The Woodlands, TX
- Houston Methodist Willowbrook Hospital Houston, TX
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.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
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 | $644.74 |
Reporting companies
| Company | Amount |
|---|---|
| NOVO NORDISK INC | $212.20 |
| CURRAX PHARMACEUTICALS LLC | $66.07 |
| EXACT SCIENCES CORPORATION | $58.19 |
| ASTRAZENECA PHARMACEUTICALS LP | $55.04 |
| HOLOGIC SALES AND SERVICE, LLC | $54.16 |
| BOEHRINGER INGELHEIM PHARMACEUTICALS, INC. | $35.15 |
| LILLY USA, LLC | $33.46 |
| AMGEN INC. | $33.34 |
| Other reporting companies | $97.13 |
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
- Family Medicine
- Taxonomy code
- 207Q00000X
- Enumeration date
- Apr 30, 2008
- Record updated
- Jan 6, 2025
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- GIOVANNA ELIZABETH CHUG
- Reported credentials
- MD
Reported taxonomies and licenses
207Q00000X
License reported: 036129705 IL
207Q00000X · Primary
License reported: Q0185 TX
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
14211 Fm 2920 Rd Ste 110Tomball, TX 77377-5505
- Phone
- (281) 737-1910
- Fax
- (281) 737-1911
Mailing address
8022 ROYAL CREST CTSPRING, TX 773794566
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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