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DR. RUTH NISHA KRISHNAN M.D.
NPI 1265480685
Internal Medicine in Dallas, TX

Active since May 05, 2006PECOS Enrolled
4001 WORTH ST, DALLAS, TX 75246(214) 828-1745(214) 828-1734 Get Directions Write a Review

NPPES record last updated: February 24, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Ruth Nisha Krishnan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RUTH NISHA KRISHNAN M.D. (NPI 1265480685) is an individual internal medicine provider in Dallas, Texas, licensed in Texas (N6438) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265480685
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. RUTH NISHA KRISHNANCredential: M.D.
Location Address4001 WORTH STDallas, TX 75246-1608
Mailing Address4001 Worth StDallas, TX 75246-1608 · (214) 828-1745 · Fax (214) 828-1734
Phone(214) 828-1745
Fax(214) 828-1734
Sole ProprietorNo
Enumeration DateMay 5, 2006
Last NPPES UpdateFebruary 24, 2011
✔ NPI 1265480685 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in TX · N6438✔ Licensed in TN · MD0000039396
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4001 WORTH ST, Dallas, TX 75246
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Other Names 1

Former Name (1)Ruth Nisha Sundara

Other Identifiers 5

Medicaid216944301TX
Other8CL572TX · Bcbstx
Medicare PINTXB111754TX
Medicare UPINI354370TN
Medicare ID-Type Unspecified3331268TN

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ruth Nisha Krishnan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75246 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$131.01 typical visit price
range $57.18 – $172.86
Typical copayment $32.75 (range $14.29 – $43.21)
Most-billed visit code 99204
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. CACE STUART HURT NP-C
Nurse Practitioner (Family)
4001 WORTH ST
DALLAS, TX 75246
Dallas County (214) 828-1745
DR. JEFFREY ZSOHAR MD
Internal Medicine
4001 WORTH ST, BAYLOR COMMUNITY CARE AT WORTH ST
DALLAS, TX 75246
Dallas County (214) 828-1745
DANH DUC NGUYEN MSN, APRN, FNP-C
Nurse Practitioner (Family)
4001 WORTH ST
DALLAS, TX 75246
Dallas County (972) 817-7070
ELIZABETH NAFTALIS M.D.
Surgery
4001 WORTH ST
DALLAS, TX 75246
Dallas County (214) 828-1745
MISTI GRIMSON M.D.
Family Medicine
4001 WORTH ST
DALLAS, TX 75246
Dallas County (214) 828-1745
MARISOL ADA VARGAS VILUGRON
Social Worker (Clinical)
4001 WORTH ST
DALLAS, TX 75246
Dallas County (214) 828-1745
BRITTNIE AYANNA NICOLE ANDERSON PHARMD
Pharmacist (Ambulatory Care)
4001 WORTH ST
DALLAS, TX 75246
Dallas County (972) 817-7104
RUBIN MATHAI VARGHESE MD
Family Medicine
4001 WORTH ST
DALLAS, TX 75246
Dallas County (972) 817-7070

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ruth Krishnan's NPI number?

The NPI number for Ruth Krishnan is 1265480685. It was assigned to this individual provider in the NPPES registry on May 5, 2006. The provider is also known as Ruth Nisha Sundara.

Where is Ruth Krishnan located?

Ruth Krishnan practices at 4001 Worth St, Dallas, TX 75246. The listed phone number is (214) 828-1745.

What is Ruth Krishnan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ruth Krishnan enrolled in Medicare?

Yes. Ruth Krishnan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ruth Krishnan was last updated on February 24, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.