Ruth Nisha Krishnan, M.D.
Internal Medicine Physician · Dallas, TX
Ruth Nisha Krishnan, M.D. is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1265480685, issued on May 5, 2006. Check the license (Texas N6438, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ruth Nisha Krishnan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- N6438 TX
MD0000039396 TN
Self-reported in NPPES; status is on the state search - Practice location
- 4001 Worth St, Dallas, TX 75246
- Phone
- (214) 828-1745
- Enumerated
- May 5, 2006
- Record last updated
- Feb 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (214) 828-1734
- Medicaid ID
- 216944301 TX
- Entity
- Type 1 · individual
Also registered at 4001 Worth St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittnie Anderson, PHARMDAmbulatory Care Pharmacist1770119299
- Misti Grimson, M.D.Family Medicine Physician1619960127
- Cace Hurt, NP-CFamily Nurse Practitioner1053720748
- Elizabeth Naftalis, M.D.Surgery Physician1346536224
- Danh Nguyen, MSN, APRN, FNP-CFamily Nurse Practitioner1083019889
- Marisol Vargas VilugronClinical Social Worker1730501057
Verify Ruth Nisha Krishnan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N6438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
956 internal medicine physician records list a practice address in Dallas
They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 956 in Dallas → All 9,175 in Texas → Every provider in Dallas →
Other internal medicine physician records in Texas
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- Anunaya AashishDenton, TX1134246374
- Queenie Ann Abad, M.D.San Antonio, TX1174979785
- Fuad Abaleka, M.DLubbock, TX1861925596
- Carol Abalihi, M.D.El Paso, TX1326136243
- Oliverio Abarca Guzman, MDHarlingen, TX1346972940
- Obinna Abaribe, M.DMansfield, TX1457704355
- Enyinnaya Abarikwu, MDTyler, TX1174788178
- Sulaiman Abawi, D.O.Frisco, TX1780845255
Common questions
What is Ruth Nisha Krishnan, M.D.'s NPI number?
Ruth Nisha Krishnan, M.D.'s National Provider Identifier (NPI) is 1265480685, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ruth Nisha Krishnan, M.D. located?
The NPPES record lists a practice address at 4001 Worth St, Dallas, TX, 75246. Phone: (214) 828-1745. Providers update this record themselves, so call before visiting.
How can I verify Ruth Nisha Krishnan, M.D.'s license?
NPPES lists Texas license number N6438, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.