NPI age
18 years
Enumerated 2008-04-30
● Active
Type 1 · Individual
Giovanna Elizabeth Mariano, MD
Mariano is 1 of 64 family medicine providers in Tomball and 1 of 15966 in Texas.
Primary specialty
Family Medicine
Plus 1 subspecialty
Licensed in
TX, IL
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-01-06
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 15966 active family medicine providers in Texas.
NPI age
18 years
≈ at median (17 yr)
State licenses
2 states
Top 91% — 8% of peers are multi-state
Subspecialties
0
26% of peers hold subspecialties
NPI lifetime · 2008 → 2026
2008-04Enumerated in NPPES
2008
2026
Where they practice
Practice location
14211 Fm 2920 Rd Ste 110
Tomball, TX 773775505
Mailing address
8022 Royal Crest Ct
Spring, TX 773794566
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
2255 E Mossy Oaks Rd Ste 320
Spring, TX 773891812
Location 3
8111 Cypresswood Dr Ste 103
Spring, TX 773797180
Specialties
-
Family Medicine PrimaryFamily Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (IL) | 036129705 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Recently enumerated nearby: 1 new family medicine provider has been added in Tomball in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.