1. Home
  2. Directory
  3. California
  4. Santa Ana
  5. Anesthesiology
  6. NPI Profile

GRABOW MEDICAL GROUP
NPI 1942506530
Anesthesiology - Pain Medicine in Santa Ana, CA

Active since January 31, 2011
400 N TUSTIN AVE, SUITE 470, SANTA ANA, CA 92705(714) 242-4224(714) 380-6300 Get Directions Write a Review

NPPES record last updated: July 26, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Grabow Medical Group NPPES

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

GRABOW MEDICAL GROUP (NPI 1942506530) is a healthcare organization registered as a pain medicine in Santa Ana, California and active in the NPI registry since January 2011. The organization lists Kim Cao, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1942506530
Entity TypeOrganization
Primary Taxonomy207LP2900X
Legal Business NameGRABOW MEDICAL GROUP
Location Address400 N TUSTIN AVE, SUITE 470Santa Ana, CA 92705-3813
Mailing AddressDept La 23881Pasadena, CA 91185-0001 · (714) 242-4224 · Fax (714) 380-6300
Phone(714) 242-4224
Fax(714) 380-6300
Organization SubpartNo
Authorized OfficialKim CaoPractice Manager · (714) 242-4224
Enumeration DateJanuary 31, 2011
Last NPPES UpdateJuly 26, 2012
✔ NPI 1942506530 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in CA · G66481
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
400 N TUSTIN AVE, Santa Ana, CA 92705
Open in Google Maps ↗

Other Identifiers 4

OtherG66481CA · Medical License
Other1629089529CA · Physician's Npi
Other616223700 SANTA ANACA · Us Department Of Labor Provider #
Medicare UPINF46830CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Grabow Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Grabow Medical Group, which bills Medicare for the services this clinician delivers.

Clinician (1)

Kenneth Grabow, MD
Pain Management
NPI 1629089529
1200 N TUSTIN AVE STE 100
Santa Ana, CA 92705
(714) 542-5999
✔ PECOS0.7 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2013944

Grabow Medical Group, Inc. · Santa Ana, CA
Expired · Sep 27, 2026
CLIA Number05D2013944
Laboratory TypePhysician Office
Certificate Effective DateSeptember 28, 2024
Certificate Expiration DateSeptember 27, 2026
Laboratory DirectorKenneth R. Grabow
Laboratory Phone(714) 242-4224
Laboratory LocationGrabow Medical Group, Inc.400 N Tustin Ste 470, Santa Ana, CA 92705
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Grabow Medical Group's NPI number?

The NPI number for Grabow Medical Group is 1942506530. It was assigned to this organization in the NPPES registry on January 31, 2011.

Where is Grabow Medical Group located?

Grabow Medical Group is located at 400 N Tustin Ave Suite 470, Santa Ana, CA 92705. The listed phone number is (714) 242-4224.

What is Grabow Medical Group's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Grabow Medical Group enrolled in Medicare?

Yes. Grabow Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Grabow Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pain Management) reassigns their Medicare billing to Grabow Medical Group. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Grabow Medical Group was last updated on July 26, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.