PROACTIVE WORK HEALTH MEDICAL CENTER INC
NPI 1336260421
Clinic/Center - Multi-Specialty in Los Angeles, CA

Q: What is Proactive Work Health Medical Center Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Active since April 03, 2007CLIA 05D2087768 · Waiver

1230 W 3RD ST, LOS ANGELES, CA 90017(213) 977-9300(213) 977-9600 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

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About Proactive Work Health Medical Center Inc NPPES

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

PROACTIVE WORK HEALTH MEDICAL CENTER INC (NPI 1336260421) is a healthcare organization registered as a multi-specialty in Los Angeles, California and active in the NPI registry since April 2007. The organization holds a CLIA Waiver certificate valid through December 2, 2026 and lists Stephen R Greene, President, as its authorized official.

NPPES Registry Identity

NPI1336260421

Entity TypeOrganization

Primary Taxonomy261QM1300X

Legal Business NamePROACTIVE WORK HEALTH MEDICAL CENTER INC

Location Address1230 W 3RD STLos Angeles, CA 90017-1408

Mailing Address1230 W 3rd StLos Angeles, CA 90017-1408 · (213) 977-9300 · Fax (213) 977-9600

Phone(213) 977-9300

Fax(213) 977-9600

Organization SubpartNo

Authorized OfficialStephen R GreenePresident · (213) 977-9300

Enumeration DateApril 3, 2007

Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration

✔ NPI 1336260421 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities

Taxonomy Code261QM1300X

Also ListedClinic/Center · Physical TherapyTaxonomy 261QP2000X

Also ListedClinic/Center · Primary CareTaxonomy 261QP2300X

Also ListedClinic/Center · Urgent CareTaxonomy 261QU0200X

Also ListedClinic/Center · Occupational MedicineTaxonomy 261QX0100X

1230 W 3RD ST, Los Angeles, CA 90017

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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 05D2087768

Proactive Work Health Services · Los Angeles, CA

Active · expires Dec 2, 2026

CLIA Number05D2087768

Laboratory TypePhysician Office

Certificate Effective DateDecember 3, 2024

Certificate Expiration DateDecember 2, 2026

Laboratory DirectorStephen R. Greene

Laboratory Phone(213) 977-9300

Laboratory LocationProactive Work Health Services132 S Beaudry Ave, Los Angeles, CA 90012

CLIA data matches this NPI record on: Phone

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 2

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

MICHELLE MODINA NP

Nurse Practitioner (Women's Health)

1230 W 3RD ST, 4TH FLOOR
LOS ANGELES, CA 90017

Los Angeles County (213) 481-2511

MR. LEON OZERAN PSY.D

Psychologist (Clinical)

1230 W 3RD ST, 2ND FLOOR
LOS ANGELES, CA 90017

Los Angeles County (818) 994-2116

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 Proactive Work Health Medical Center Inc's NPI number?

The NPI number for Proactive Work Health Medical Center Inc is 1336260421. It was assigned to this organization in the NPPES registry on April 3, 2007.

Where is Proactive Work Health Medical Center Inc located?

Proactive Work Health Medical Center Inc is located at 1230 W 3rd St, Los Angeles, CA 90017. The listed phone number is (213) 977-9300.

What is Proactive Work Health Medical Center Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Does Proactive Work Health Medical Center Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2087768) is associated with this NPI, valid through December 2, 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 Proactive Work Health Medical Center Inc was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.