Ruth Lachar Wintz, M.D.
Nephrology Physician · Houston, TX
Ruth Lachar Wintz, M.D. is a nephrology physician with a practice address in Houston, Texas, and NPI 1891728168, issued on Jul 9, 2006. Check the license (Texas M5587, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ruth Lachar Wintz
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- M5587 TX
A67579 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6560 Fannin St Ste 1730, Houston, TX 77030
- Phone
- (713) 795-5511
- Enumerated
- Jul 9, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (713) 795-4627
- Medicaid ID
- 190406201 TX
- Medicare enrollment
- Enrolled (PECOS I20070330000187); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 6560 Fannin St Ste 1730
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Brown, PA-CNephrology Physician1841288313
- Sajan Eapen, M.D.Nephrology Physician1811134281
- Stephen Fadem, MDNephrology Physician1144224163
- Rahul Pandey, M.D.Nephrology Physician1609051853
- Sejal Sarolia, M.D.Nephrology Physician1609050970
- Wasae Tabibi, MDNephrology Physician1255336012
Verify Ruth Lachar Wintz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M5587Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average nephrology physician in 2024
2,307 Medicare Part D claims for 260 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Amlodipine Besylate127 claims
- Atorvastatin Calcium121 claims
- Jardiance115 claims
- Losartan Potassium113 claims
- Calcitriol109 claims
- Prednisone87 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.
Industry payments in 2024: $793.46
18 payments; by number, the most common kind was food and beverage; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Kidney Associates, PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
Other nephrology physician records in Texas
- Bernardino Abaya, M.D.Houston, TX1740262013
- Aisha Abbasi, MDConroe, TX1942837570
- Abdul Abdellatif, M.D.Webster, TX1164560595
- Dina Abdelwahab, MDDallas, TX1801050208
- Mohammed Abdulaziz, MDLaredo, TX1881009215
- Muhammad Abdullah, MDSan Antonio, TX1154614832
- Nashila Abdulrahim, DODallas, TX1659665180
- Mai Abouelsaad, M.D.Houston, TX1790168086
- Fadi Abouzahr, MDSan Antonio, TX1982695896
- Koshy Abraham, MDFort Worth, TX1780658559
Common questions
What is Ruth Lachar Wintz, M.D.'s NPI number?
Ruth Lachar Wintz, M.D.'s National Provider Identifier (NPI) is 1891728168, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ruth Lachar Wintz, M.D. located?
The NPPES record lists a practice address at 6560 Fannin St Ste 1730, Houston, TX, 77030. Phone: (713) 795-5511. Providers update this record themselves, so call before visiting.
How can I verify Ruth Lachar Wintz, M.D.'s license?
NPPES lists Texas license number M5587, 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 Ruth Lachar Wintz, M.D. prescribe under Medicare Part D?
In 2024, Ruth Lachar Wintz, M.D. had 2,307 Medicare Part D claims for 260 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
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.