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PETER GRUBB MD
NPI 1811084940
Pediatrics - Neonatal-Perinatal Medicine in Austin, TX

Active since October 09, 2006PECOS Enrolled
9835 N LAKE CREEK PKWY, AUSTIN, TX 78717(727) 229-3333(832) 825-2799 Get Directions Write a Review

NPPES record last updated: September 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 15, 2025, Apr 18, 2024, Nov 2, 2021 and 2 more (5 updates tracked since 2017).

About Peter Grubb Md NPPES

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

PETER GRUBB MD (NPI 1811084940) is an individual neonatal-perinatal medicine provider in Austin, Texas, licensed in Texas (V0269) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1811084940
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NamePETER GRUBBCredential: MD
Location Address9835 N LAKE CREEK PKWYAustin, TX 78717-6210
Mailing Address6621 Fannin Street, Mc: A5590Houston, TX 77030-2358 · (832) 826-1385 · Fax (832) 825-2799
Phone(727) 229-3333
Fax(832) 825-2799
Sole ProprietorNo
Enumeration DateOctober 9, 2006
Last NPPES UpdateSeptember 15, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2025
✔ NPI 1811084940 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Licenses✔ Licensed in TX · V0269✔ Licensed in TN · MD39684✔ Licensed in UT · 10272475-1205
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
9835 N LAKE CREEK PKWY, Austin, TX 78717
Open in Google Maps ↗

Secondary Practice Locations 3

Location 13601 TvcNashville, TN 37232-0001 · Phone (615) 322-3000
Location 2100 N Mario Capecchi DrSalt Lake City, UT 84113-1103 · Phone (801) 662-1000
Location 36621 Fannin Street, MC: A5590Houston, TX 77030-2358 · Phone (832) 826-1385 · Fax (832) 825-2799

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Harbor Health, Moda Health Plan, Inc. 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)

Peter Grubb 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 Peter Grubb reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

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
Ihc Health Services Inc
834 mi
Multi-Specialty
380 W 100 N
Monticello, UT 84535
  • Reassigned Medicare billing, Utah enrollment
  • 1,729 clinicians in this Medicare group
NPI 1043444805 (801) 507-3500
University Of Utah Pediatric Acuity Care
1,056 mi
Pediatric Critical Care Medicine
3741 W 12600 S
Riverton, UT 84065
  • Reassigned Medicare billing, Utah enrollment
  • 202 clinicians in this Medicare group
NPI 1376907410 (801) 587-6336

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 Peter Grubb's NPI number?

The NPI number for Peter Grubb is 1811084940. It was assigned to this individual provider in the NPPES registry on October 9, 2006.

Where is Peter Grubb located?

Peter Grubb practices at 9835 N Lake Creek Pkwy, Austin, TX 78717. The listed phone number is (727) 229-3333.

What is Peter Grubb's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Peter Grubb enrolled in Medicare?

Yes. Peter Grubb is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Peter Grubb's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Grubb reassigns Medicare benefits to 3 organizations: Texas Children's Physician Group (Houston, TX), Ihc Health Services Inc (Monticello, UT) and University Of Utah Pediatric Acuity Care (Riverton, UT). 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 Peter Grubb's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Grubb accept?

Health plans from Baylor Scott and White Health Plan, Harbor Health, Moda Health Plan, Inc. and Sendero Health Plans, Local Nonprofit list Peter Grubb 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 Peter Grubb was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.