NITHYA K. IYER M.D.
NPI 1912075458
Internal Medicine - Critical Care Medicine in Dallas, TX

Q: 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.

Q: 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.

Q: 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 8 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.

Active since December 01, 2006PECOS EnrolledAccepts Medicare Assignment

3409 WORTH ST STE 420, DALLAS, TX 75246(214) 820-2346(214) 820-9818 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 20, 2025, Apr 4, 2022 (2 updates tracked since 2022).

On this page

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

NPI1912075458

Entity TypeIndividualFemale

Primary Taxonomy207RC0200X

Provider Legal NameNITHYA K. IYERCredential: M.D.

Location Address3409 WORTH ST STE 420Dallas, TX 75246-2052

Mailing Address3409 Worth St Ste 420Dallas, TX 75246-2052 · (214) 820-2346 · Fax (214) 820-9818

Phone(214) 820-2346

Fax(214) 820-9818

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateDecember 1, 2006

Last NPPES UpdateNovember 20, 20252 updates tracked since enumeration

NPPES CertifiedNovember 20, 2025

✔ NPI 1912075458 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in TX · P3541

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal MedicineTaxonomy 207R00000X · License P3541 (TX)

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License P3541 (TX)

3409 WORTH ST STE 420, Dallas, TX 75246

Open in Google Maps ↗

Other Identifiers 4

Medicaid481122010MI

Other700H262220Blue Cross-blue Cross

OtherNI086741Commercial-commercial Number

OtherNI086741Champus-champus

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

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.

PECOS PAC ID5991728776

PECOS Enrollment IDI20150120001928

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.

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.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

217 services109 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

49 services48 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

28 services20 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baylor University Medical Center

Acute Care Hospitals · Dallas, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450021

Location3500 Gaston AveDallas, TX 75246 · Dallas County

Emergency services Birthing friendly

Baylor Scott & White Heart & Vascular Hospital - Dallas

Acute Care Hospitals · Dallas, TX

5/5 CMS rating

OwnershipProprietary

CMS Certification Number450851

Location621 North Hall StreetDallas, TX 75226 · Dallas County

Emergency services

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.

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.

High frequency chest wall oscillation system, with full anterior and/or posterior thoracic region receiving simultaneous external oscillation, includes all accessories and supplies, each E0483

DME-Other DME · category DE000N

1 supplier19 claims19 services$812.45 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers12 claims12 services$6.04 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers19 claims19 services$76.61 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$29.28 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

NISHITH MAHENDRABHAI MEWADA M.D.

Internal Medicine (Critical Care Medicine)