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DR. MARK DARIUSH TABARROK MD
NPI 1497950075
Pediatrics - Pediatric Emergency Medicine in Austin, TX

Active since June 15, 2007PECOS Enrolled
9835 N LAKE CREEK PKWY, AUSTIN, TX 78717(832) 824-1000 Get Directions Write a Review

NPPES record last updated: January 23, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Mark Dariush Tabarrok Md NPPES

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

DR. MARK DARIUSH TABARROK MD (NPI 1497950075) is an individual pediatric emergency medicine provider in Austin, Texas, licensed in Texas (N1174) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497950075
Entity TypeIndividualMale
Primary Taxonomy2080P0204X
Provider Legal NameDR. MARK DARIUSH TABARROKCredential: MD
Location Address9835 N LAKE CREEK PKWYAustin, TX 78717-6210
Mailing Address314 Lodestone LnAustin, TX 78738-6162 · (512) 299-0603
Phone(832) 824-1000
Sole ProprietorNo
Enumeration DateJune 15, 2007
Last NPPES UpdateJanuary 23, 2024
NPPES CertifiedJanuary 23, 2024
✔ NPI 1497950075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in TX · N1174
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
Also ListedPediatricsTaxonomy 208000000X · License BP1-0023124 (TX)
9835 N LAKE CREEK PKWY, Austin, TX 78717
Open in Google Maps ↗

Other Identifiers 1

Other3805159112Myutmb 3805159112-commercial Number

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, Harbor Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Dariush Tabarrok Md 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.

Medicare Billing Reassignments

3

Medicare enrollment records show Mark Tabarrok reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Travis County Emergency Physicians PA
12 mi
Emergency Medicine
1201 W 38TH ST
Austin, TX 78705
  • Reassigned Medicare billing, Texas enrollment
  • 1,511 clinicians in this Medicare group
NPI 1962440933 (330) 493-4443
Longhorn Emergency Medical Associates PA
13 mi
Emergency Medicine
919 E 32ND ST
Austin, TX 78705
  • Reassigned Medicare billing, Texas enrollment
  • 547 clinicians in this Medicare group
NPI 1649669672 (925) 251-6901
Texas Children's Physician Group
153 mi
Pediatrics
6621 FANNIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Childrens Physician Group
  • 2,498 clinicians in this Medicare group
NPI 1861675506 (832) 824-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

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

DR. ANUSHA CHINTHAPARTHI MD
Pediatrics (Neonatal-Perinatal Medicine)
9835 N LAKE CREEK PKWY
AUSTIN, TX 78717
Williamson County (832) 826-1380
NEVIN GEORGE PA-C
Physician Assistant
9835 N LAKE CREEK PKWY
AUSTIN, TX 78717
Williamson County (832) 828-3660
ALEXIA DEMARCHOS PA-C
Physician Assistant (Medical)
9835 N LAKE CREEK PKWY
AUSTIN, TX 78717
Williamson County (737) 229-2000
DR. SRI NIKHITA CHIMATAPU MD
Pediatrics (Pediatric Endocrinology)
9835 N LAKE CREEK PKWY
AUSTIN, TX 78717
Williamson County (917) 741-4080
JESSICA OTAH
Anesthesiology (Pediatric Anesthesiology)
9835 N LAKE CREEK PKWY
AUSTIN, TX 78717
Williamson County (737) 229-2000
LAUREN DESCHNER MD
Pediatrics
9835 N LAKE CREEK PKWY
AUSTIN, TX 78717
Williamson County (737) 229-2000
NIHA NOOR KAROLIA
Physician Assistant
9835 N LAKE CREEK PKWY
AUSTIN, TX 78717
Williamson County (737) 229-2000
DR. JOEL WILLIAM JONES MD
Otolaryngology (Pediatric Otolaryngology)
9835 N LAKE CREEK PKWY
AUSTIN, TX 78717
Williamson County (832) 822-0629

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 Mark Tabarrok's NPI number?

The NPI number for Mark Tabarrok is 1497950075. It was assigned to this individual provider in the NPPES registry on June 15, 2007.

Where is Mark Tabarrok located?

Mark Tabarrok practices at 9835 N Lake Creek Pkwy, Austin, TX 78717. The listed phone number is (832) 824-1000.

What is Mark Tabarrok's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Mark Tabarrok enrolled in Medicare?

Yes. Mark Tabarrok is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Tabarrok's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Tabarrok reassigns Medicare benefits to 3 organizations: Travis County Emergency Physicians PA (Austin, TX), Longhorn Emergency Medical Associates PA (Austin, TX) and Texas Children's Physician Group (Houston, TX). Each 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 Mark Tabarrok's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Tabarrok accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Harbor Health, Moda Health Plan, Inc. and Molina Healthcare and 1 other insurer list Mark Tabarrok 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.

When was this NPI record last updated?

The NPPES record for Mark Tabarrok was last updated on January 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.