NITHYA K. IYER M.D.
NPI 1912075458
Internal Medicine - Critical Care Medicine in Dallas, TX
About Nithya K. Iyer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NITHYA K. IYER M.D. (NPI 1912075458) is an individual critical care medicine provider in Dallas, Texas, licensed in Texas (P3541) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, is affiliated with Baylor University Medical Center, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Nithya K. Iyer M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Nithya Iyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 3,167 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baylor University Medical Center
Acute Care Hospitals · Dallas, TXPhysician 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.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DALLAS, TX 75246
DALLAS, TX 75246
DALLAS, TX 75246
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 Nithya Iyer's NPI number?
The NPI number for Nithya Iyer is 1912075458. It was assigned to this individual provider in the NPPES registry on December 1, 2006.
Where is Nithya Iyer located?
Nithya Iyer practices at 3409 Worth St Ste 420, Dallas, TX 75246. The listed phone number is (214) 820-2346.
What is Nithya Iyer's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Nithya Iyer enrolled in Medicare?
Yes. Nithya Iyer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Nithya Iyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nithya Iyer reassigns Medicare benefits to Healthtexas Provider Network (Dallas, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nithya Iyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nithya Iyer accept?
Health plans from Baylor Scott and White Health Plan and Blue Cross and Blue Shield of Texas list Nithya Iyer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Nithya Iyer affiliated with any hospitals?
According to CMS data, Nithya Iyer is affiliated with Baylor University Medical Center.
When was this NPI record last updated?
The NPPES record for Nithya Iyer was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.
# Nithya K. Iyer, M.D. · NPI 1912075458
Critical Care Medicine physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since December 1, 2006.
## Identity
- **NPI:** 1912075458 (Entity type: Individual)
- **Enumerated:** December 1, 2006
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** P3541 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3409 WORTH ST STE 420, Dallas, TX 75246-2052
- **Phone:** (214) 820-2346 · **Fax:** (214) 820-9818
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Healthtexas Provider Network (NPI 1174416689, Dallas, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** November 20, 2025
- **Other identifiers:** Medicaid 481122010 (MI); Other 700H262220; Other NI086741; and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1912075458) · Data from the CMS NPPES public registry.