ACE MEDICAL GROUP
NPI 1013927805
Internal Medicine in Hawthorne, CA

Active since August 08, 2006CLIA 05D0954191 · Waiver
4477 W 118TH ST, SUITE 200, HAWTHORNE, CA 90250(310) 675-4440(310) 675-5816 Get Directions Write a Review

NPPES record last updated: February 28, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ace Medical Group NPPES

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

ACE MEDICAL GROUP (NPI 1013927805) is a healthcare organization registered as an internal medicine in Hawthorne, California and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through November 18, 2026 and lists Kathy Sullivan, Manager, as its authorized official.

NPPES Registry Identity

NPI1013927805
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameASHOK KUMAR, M.D., A MEDICAL CORPORATION
Location Address4477 W 118TH ST, SUITE 200Hawthorne, CA 90250-2255
Mailing Address4477 W 118th St Ste 200Hawthorne, CA 90250-2257 · (310) 675-4440 · Fax (310) 675-5816
Fax(310) 675-5816
Organization SubpartNo
Authorized OfficialKathy SullivanManager · (310) 675-4440
Enumeration DateAugust 8, 2006
Last NPPES UpdateFebruary 28, 2023
NPPES CertifiedFebruary 28, 2023
✔ NPI 1013927805 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X
Also ListedHospitalistTaxonomy 208M00000X
4477 W 118TH ST, Hawthorne, CA 90250

Other Names 1

Doing Business AsAce Medical Group

Other Identifiers 1

MedicaidGR0069550CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

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

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Ace Medical Group, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Internal Medicine
NPI 1518963032
ACE MEDICAL GROUP, 4477 W 118TH ST STE 200
Hawthorne, CA 90250
(310) 675-4440
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1225328610
4477 W 118TH ST SUITE 200
Hawthorne, CA 90250
(310) 675-4440
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1164868931
4477 W 118TH ST SUITE 200
Hawthorne, CA 90250
(310) 675-4440
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1861867715
4477 W 118TH ST SUITE 200
Hawthorne, CA 90250
(310) 675-4440
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1003323320
555 E HARDY ST
Inglewood, CA 90301
(310) 673-4660
✔ PECOS1.5 mi
Nurse Practitioner
NPI 1538562145
1148 W 210TH ST
Torrance, CA 90502
(310) 977-9692
✔ PECOS✔ Accepts Medicare7.0 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 05D0954191

Ace Medical Group · Hawthorne, CA
Active · expires Nov 18, 2026
CLIA Number05D0954191
Laboratory TypePhysician Office
Certificate Effective DateNovember 19, 2024
Certificate Expiration DateNovember 18, 2026
Laboratory DirectorAshok Kumar MD
Laboratory Phone(310) 675-4440
Laboratory LocationAce Medical Group4477 West 118th Street Suite 200, Hawthorne, CA 90250
CLIA data matches this NPI record on: Address 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 Ashok Kumar, M.D., A Medical Corporation's NPI number?

The NPI number for Ashok Kumar, M.D., A Medical Corporation is 1013927805. It was assigned to this organization in the NPPES registry on August 8, 2006. The provider is doing business as Ace Medical Group.

Where is Ashok Kumar, M.D., A Medical Corporation located?

Ashok Kumar, M.D., A Medical Corporation is located at 4477 W 118th St Suite 200, Hawthorne, CA 90250. The listed phone number is (310) 675-4440.

What is Ashok Kumar, M.D., A Medical Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ashok Kumar, M.D., A Medical Corporation enrolled in Medicare?

Yes. Ashok Kumar, M.D., A Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ashok Kumar, M.D., A Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to Ashok Kumar, M.D., A Medical Corporation. 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. The largest specialties are Nurse Practitioner (4) and Internal Medicine (2). Of these, 4 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Ashok Kumar, M.D., A Medical Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0954191) is associated with this NPI, valid through November 18, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Ashok Kumar, M.D., A Medical Corporation was last updated on February 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.