Giovanna Elizabeth Mariano, MD
Family Medicine Physician · Tomball, TX
Giovanna Elizabeth Mariano, MD is a family medicine physician with a practice address in Tomball, Texas, and NPI 1265608293, issued on Apr 30, 2008. Check the license (Texas Q0185, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Giovanna Elizabeth Mariano
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- Q0185 TX
036129705 IL
Self-reported in NPPES; status is on the state search - Practice location
- 14211 FM 2920 RD Ste 110, Tomball, TX 77377
- Phone
- (281) 737-1910
- Enumerated
- Apr 30, 2008
- Record last updated
- Jan 6, 2025
- Fax
- (281) 737-1911
- Medicaid ID
- 036129705 IL
- Medicare enrollment
- Enrolled (PECOS I20140927000203); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 14211 FM 2920 RD Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monica Martinez, M.D.Family Medicine Physician1730527375
Verify Giovanna Elizabeth Mariano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q0185Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average family medicine physician in 2024
2,121 Medicare Part D claims for 190 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium97 claims
- Gabapentin88 claims
- Amlodipine Besylate75 claims
- Atorvastatin Calcium74 claims
- Metformin Hcl Er72 claims
- Lovastatin58 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $35.63
2 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tmh Physician Associates PLLCTomball, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Giovanna Elizabeth Mariano among 11,119 family medicine physician records in Texas
Giovanna Elizabeth Mariano, MD is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2004 · median 2004 among the 7,095 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 family medicine physician records list a practice address in Tomball
They are 38 of the 1,068 NPPES records with a practice address in Tomball, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Tomball → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jesus Beltran, M.D.,P.A.Tomball, TX 773771811044126
- Adriano Goffi, M.D.Tomball, TX 773771184980922
- Monica Martinez, M.D.Tomball, TX 773771730527375
- John Sun, MDTomball, TX 773771821082165
- Maribeth Bobadilla, M.D.Willis, TX 773781083907893
- Joshua Sacaciu, DOWillis, TX 773781306426671
- William Chen, M.D.Spring, TX 773791003855800
- Alex Chen, M.D.Spring, TX 773791912946716
Common questions
What is Giovanna Elizabeth Mariano, MD's NPI number?
Giovanna Elizabeth Mariano, MD's National Provider Identifier (NPI) is 1265608293, issued on Apr 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Giovanna Elizabeth Mariano, MD located?
The NPPES record lists a practice address at 14211 FM 2920 RD Ste 110, Tomball, TX, 77377. Phone: (281) 737-1910. Providers update this record themselves, so call before visiting.
How can I verify Giovanna Elizabeth Mariano, MD's license?
NPPES lists Texas license number Q0185, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Giovanna Elizabeth Mariano, MD prescribe under Medicare Part D?
In 2024, Giovanna Elizabeth Mariano, MD had 2,121 Medicare Part D claims for 190 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Giovanna Elizabeth Mariano, MD's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.