NANOON MEDICAL GROUP
NPI 1942591847
Family Medicine in Los Angeles, CA

Active since April 26, 2011CLIA Certified · 4 labs
866 S WESTMORELAND AVE STE 101, LOS ANGELES, CA 90005(213) 380-2266(213) 315-5195 Get Directions Write a Review

NPPES record last updated: November 23, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 23, 2024, Jul 22, 2022, Apr 14, 2022 and 2 more (5 updates tracked since 2017).

About Nanoon Medical Group NPPES

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

NANOON MEDICAL GROUP (NPI 1942591847) is a healthcare organization registered as a family medicine in Los Angeles, California and active in the NPI registry since April 2011. The organization holds 4 active CLIA laboratory certificates, maintains 4 additional practice locations, and lists Edwin Choi, Owner/ceo, as its authorized official.

NPPES Registry Identity

NPI1942591847
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameJONAH MEDICAL GROUP, INC.
Location Address866 S WESTMORELAND AVE STE 101Los Angeles, CA 90005-2372
Mailing Address866 S. Westmoreland Avenue, Suite 101Los Angeles, CA 90005 · (800) 821-5675 · Fax (213) 289-1166
Fax(213) 315-5195
Organization SubpartNo
Authorized OfficialEdwin ChoiOwner/ceo · (800) 821-5675
Enumeration DateApril 26, 2011
Last NPPES UpdateNovember 23, 20245 updates tracked since enumeration
NPPES CertifiedNovember 23, 2024
✔ NPI 1942591847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedObstetrics & GynecologyTaxonomy 207V00000X
Also ListedGeneral PracticeTaxonomy 208D00000X
866 S WESTMORELAND AVE STE 101, Los Angeles, CA 90005

Other Names 1

Doing Business AsNanoon Medical Group

Secondary Practice Locations 4

Location 120627 Golden Springs Dr Ste 1BDiamond Bar, CA 91789-4815 · Phone (909) 480-0200 · Fax (909) 480-0201
Location 23663 W 6th St Ste 103Los Angeles, CA 90020-3047 · Phone (213) 388-5144 · Fax (213) 388-5154
Location 315095 Amargosa Rd Ste 102Victorville, CA 92394-1875 · Phone (760) 552-4470 · Fax (760) 552-4472
Location 411637 The Plz Ste 45Norwalk, CA 90650-3930 · Phone (562) 809-0142 · Fax (562) 809-2672

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20110607000636Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

11

Medicare enrollment records show 11 clinicians reassign Medicare billing to Nanoon Medical Group, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 4

Family Practice3
Internal Medicine3
Nurse Practitioner3
General Practice2

Clinicians, nearest first (11)

Family Practice
NPI 1902289226
866 S WESTMORELAND AVE STE 101
Los Angeles, CA 90005
(800) 821-5675
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1205190659
3000 W OLYMPIC BLVD STE 203
Los Angeles, CA 90006
(213) 674-7500
✔ PECOS✔ Accepts Medicare0.7 mi
General Practice
NPI 1073665436
3663 W 6TH ST STE 101
Los Angeles, CA 90020
(213) 388-5144
✔ PECOS✔ Accepts Medicare0.9 mi
Nurse Practitioner
NPI 1922714153
21017 MADRONA AVE APT A
Torrance, CA 90503
(424) 245-9600
✔ PECOS15 mi
Nurse Practitioner
NPI 1225629231
5700 E 2ND ST
Long Beach, CA 90803
(657) 241-4050
✔ PECOS✔ Accepts Medicare23 mi
General Practice
NPI 1689070690
20627 GOLDEN SPRINGS DR STE 1B
Walnut, CA 91789
(909) 480-0200
✔ PECOS✔ Accepts Medicare25 mi
Family Practice
NPI 1912910357
20627 GOLDEN SPRINGS DR STE 1B
Diamond Bar, CA 91789
(909) 480-0200
✔ PECOS✔ Accepts Medicare25 mi
Nurse Practitioner
NPI 1588142137
20627 GOLDEN SPRINGS DR STE 2D
Walnut, CA 91789
(909) 480-0200
✔ PECOS25 mi
Internal Medicine
NPI 1639691579
1424 MADERA RD
Simi Valley, CA 93065
(805) 522-5722
✔ PECOS✔ Accepts Medicare32 mi
Internal Medicine
NPI 1356521843
2021 E 4TH ST STE 122
Santa Ana, CA 92705
(909) 496-1195
✔ PECOS✔ Accepts Medicare33 mi
Family Practice
NPI 1417454869
80 DIAMOND
Irvine, CA 92620
(516) 510-4400
✔ PECOS40 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 4

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 05D1034982

Jonah Medical Group Inc · Los Angeles, CA
Active · expires Dec 16, 2026
CLIA Number05D1034982
Laboratory TypePhysician Office
Certificate Effective DateDecember 17, 2024
Certificate Expiration DateDecember 16, 2026
Laboratory DirectorEdwin H. Choi MD
Laboratory Phone(213) 388-5144
Laboratory LocationJonah Medical Group Inc3663 W 6th St, Ste 103, Los Angeles, CA 90020
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D0918728

Jonah Medical Group Dba Nanoom Medical Group · Norwalk, CA
Active · expires Jul 20, 2027
CLIA Number05D0918728
Laboratory TypePhysician Office
Certificate Effective DateJuly 21, 2025
Certificate Expiration DateJuly 20, 2027
Laboratory DirectorEdwin H. Choi
Laboratory Phone(213) 378-0144
Laboratory LocationJonah Medical Group Dba Nanoom Medical Group11637 The Plaza Unit 45, Norwalk, CA 90650
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2166766

Nanoom Medical Group · Victorville, CA
Active · expires May 23, 2027
CLIA Number05D2166766
Laboratory TypePhysician Office
Certificate Effective DateMay 24, 2025
Certificate Expiration DateMay 23, 2027
Laboratory DirectorEdwin H. Choi
Laboratory Phone(760) 552-4470
Laboratory LocationNanoom Medical Group15095 Amargosa Rd, Bldg 1 #102, Victorville, CA 92394
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2160452

Nanoom Medical Group · Walnut, CA
Active · expires Jan 10, 2027
CLIA Number05D2160452
Laboratory TypePhysician Office
Certificate Effective DateJanuary 11, 2025
Certificate Expiration DateJanuary 10, 2027
Laboratory DirectorEdwin Choi
Laboratory Phone(909) 480-0200
Laboratory LocationNanoom Medical Group20627 Golden Springs Dr., Suite D, Walnut, CA 91789
CLIA data matches this NPI record on: 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 Jonah Medical Group, Inc.'s NPI number?

The NPI number for Jonah Medical Group, Inc. is 1942591847. It was assigned to this organization in the NPPES registry on April 26, 2011. The provider is doing business as Nanoon Medical Group.

Where is Jonah Medical Group, Inc. located?

Jonah Medical Group, Inc. is located at 866 S Westmoreland Ave Ste 101, Los Angeles, CA 90005. The listed phone number is (213) 380-2266.

What is Jonah Medical Group, Inc.'s specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Jonah Medical Group, Inc. enrolled in Medicare?

Yes. Jonah Medical Group, Inc. is registered in the Medicare PECOS enrollment system.

When is Jonah Medical Group, Inc.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Jonah Medical Group, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 4 Medicare specialties reassign their Medicare billing to Jonah Medical Group, Inc.. 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 Family Practice (3), Internal Medicine (3) and Nurse Practitioner (3). Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Jonah Medical Group, Inc. hold CLIA laboratory certificates?

Yes. 4 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Jonah Medical Group, Inc. was last updated on November 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.