TRACY CANNON GRIKSCHEIT M.D.
NPI 1780777425
Surgery - Pediatric Surgery in Los Angeles, CA

Active since October 02, 2006PECOS Enrolled
4650 SUNSET BLVD., MS# 100, LOS ANGELES, CA 90027(323) 669-2322(323) 666-3466 Get Directions Write a Review

NPPES record last updated: May 30, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Tracy Cannon Grikscheit M.d. NPPES

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

TRACY CANNON GRIKSCHEIT M.D. (NPI 1780777425) is an individual pediatric surgery provider in Los Angeles, California, licensed in California (A96712) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1780777425
Entity TypeIndividualFemale
Primary Taxonomy2086S0120X
Provider Legal NameTRACY CANNON GRIKSCHEITCredential: M.D.
Location Address4650 SUNSET BLVD., MS# 100Los Angeles, CA 90027-6062
Mailing Address6430 Sunset Blvd., Suite 600Los Angeles, CA 90028-7900 · (323) 669-2337 · Fax (323) 644-8491
Fax(323) 666-3466
Sole ProprietorNo
Enumeration DateOctober 2, 2006
Last NPPES UpdateMay 30, 2019
✔ NPI 1780777425 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Pediatric SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0120X
License✔ Licensed in CA · A96712
Definition
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
4650 SUNSET BLVD., Los Angeles, CA 90027

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tracy Cannon Grikscheit 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Tracy Grikscheit reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
4650 SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
  • 1,281 clinicians in this Medicare group
Rural Health
660 W 2ND ST
Winner, SD 57580
  • Reassigned Medicare billing, South Dakota enrollment
  • 1,277 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.

Other Providers at the Same Location NPPES 16

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

Pediatrics (Pediatric Nephrology)
4650 SUNSET BLVD., MS# 40
LOS ANGELES, CA 90027
Psychologist
4650 SUNSET BLVD., MS #53
LOS ANGELES, CA 90027
Anesthesiology (Pain Medicine)
4650 SUNSET BLVD.
LOS ANGELES, CA 90027
Psychologist
4650 SUNSET BLVD., MS #53
LOS ANGELES, CA 90027
Nurse Practitioner (Pediatrics)
4650 SUNSET BLVD., MS#82
LOS ANGELES, CA 90027
Pediatrics (Pediatric Rheumatology)
4650 SUNSET BLVD.
LOS ANGELES, CA 90027
Student in an Organized Health Care Education/Training Program
4650 SUNSET BLVD.
LOS ANGELES, CA 90027
Marriage & Family Therapist
4650 SUNSET BLVD., MS #53
LOS ANGELES, CA 90027

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 Tracy Grikscheit's NPI number?

The NPI number for Tracy Grikscheit is 1780777425. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Where is Tracy Grikscheit located?

Tracy Grikscheit practices at 4650 Sunset Blvd. Ms# 100, Los Angeles, CA 90027. The listed phone number is (323) 669-2322.

What is Tracy Grikscheit's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Is Tracy Grikscheit enrolled in Medicare?

Yes. Tracy Grikscheit is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Tracy Grikscheit's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tracy Grikscheit reassigns Medicare benefits to 2 organizations: Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA) and Avera Mckennan (Winner, SD). 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 Tracy Grikscheit's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Tracy Grikscheit was last updated on May 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.