Juana Leonor Gamarra De Williams, MD
Family Medicine Physician · Fort Worth, TX
Juana Leonor Gamarra De Williams, MD is a family medicine physician with a practice address in Fort Worth, Texas, and NPI 1619098852, issued on Apr 3, 2007. Check the license (Texas N2515, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Juana Leonor Gamarra De Williams
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- N2515 TX
225024 NY
Self-reported in NPPES; status is on the state search - Practice location
- 855 Montgomery, Fort Worth, TX 76107
- Phone
- (817) 920-7400
- Enumerated
- Apr 3, 2007
- Record last updated
- Jun 3, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 219107401 TX
- Medicare enrollment
- Enrolled (PECOS I20110218000957); 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 855 Montgomery
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alan Byrd, MDFamily Medicine Physician1528037629
Verify Juana Leonor Gamarra De Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N2515Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average family medicine physician in 2024
1,040 Medicare Part D claims for 308 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Amlodipine Besylate84 claims
- Metformin Hcl73 claims
- Atorvastatin Calcium71 claims
- Gabapentin33 claims
- Levothyroxine Sodium33 claims
- Fluticasone Propionate30 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 practice group's MIPS final score for 2023 (Medicare payment program): 90.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Dallas County Hospital DistrictDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Juana Leonor Gamarra De Williams among 11,119 family medicine physician records in Texas
Juana Leonor Gamarra De Williams, 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1991 · median 2004 among the 7,095 with a school on file
- Record last updated2011 · 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).
452 family medicine physician records list a practice address in Fort Worth
They are 452 of the 15,511 NPPES records with a practice address in Fort Worth, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Fort Worth → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- John Bowling, DOFort Worth, TX 761071225007909
- Alan Byrd, MDFort Worth, TX 761071528037629
- A Cage, DOFort Worth, TX 761071548239312
- Patricia Connally, DOFort Worth, TX 761071538142930
- Todd Cowan, M.D.Fort Worth, TX 761071457321929
- Dan Dayberry, DOFort Worth, TX 761071578532495
- Harold Fain, MDFort Worth, TX 761071346239258
- Frank Filipetto, DOFort Worth, TX 761071093795163
Common questions
What is Juana Leonor Gamarra De Williams, MD's NPI number?
Juana Leonor Gamarra De Williams, MD's National Provider Identifier (NPI) is 1619098852, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Juana Leonor Gamarra De Williams, MD located?
The NPPES record lists a practice address at 855 Montgomery, Fort Worth, TX, 76107. Phone: (817) 920-7400. Providers update this record themselves, so call before visiting.
How can I verify Juana Leonor Gamarra De Williams, MD's license?
NPPES lists Texas license number N2515, 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 Juana Leonor Gamarra De Williams, MD prescribe under Medicare Part D?
In 2024, Juana Leonor Gamarra De Williams, MD had 1,040 Medicare Part D claims for 308 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Juana Leonor Gamarra De Williams, MD's MIPS final score?
The 2023 MIPS final score is 90.1 of 100, reported for the practice group. 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.