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STEVEN H ROSENBERG MD INC
NPI 1326225764
Clinic/Center - Medical Specialty in Torrance, CA

Active since January 29, 2008
3400 LOMITA BLVD, SUITE 400, TORRANCE, CA 90505(310) 539-4957(310) 539-9175 Get Directions Write a Review

NPPES record last updated: January 27, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Steven H Rosenberg Md Inc NPPES

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

STEVEN H ROSENBERG MD INC (NPI 1326225764) is a healthcare organization registered as a medical specialty in Torrance, California and active in the NPI registry since January 2008. The organization lists Steven Howard Rosenberg, President, as its authorized official.

NPPES Registry Identity

NPI1326225764
Entity TypeOrganization
Primary Taxonomy261QM2500X
Legal Business NameSTEVEN H ROSENBERG MD INC
Location Address3400 LOMITA BLVD, SUITE 400Torrance, CA 90505-4909
Mailing Address3400 Lomita Blvd, Suite 400Torrance, CA 90505-4909 · (310) 539-4957 · Fax (310) 539-9175
Phone(310) 539-4957
Fax(310) 539-9175
Organization SubpartNo
Authorized OfficialSteven Howard RosenbergPresident · (310) 539-4957
Enumeration DateJanuary 29, 2008
Last NPPES UpdateJanuary 27, 2009
✔ NPI 1326225764 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Medical SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM2500X
License✔ Licensed in CA · 00G342337
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
3400 LOMITA BLVD, Torrance, CA 90505
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Other Names 1

Doing Business AsSteven H Rosenberg Md Inc

Other Identifiers 2

Medicare UPINA47002CA
Medicare PIN00G372331CA

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)

Steven H Rosenberg Md Inc 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 IDO20110506000226Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Steven H Rosenberg MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Steven Rosenberg, M.D.
Obstetrics/Gynecology
NPI 1396767828
3400 LOMITA BLVD SUITE 400
Torrance, CA 90505
(310) 539-4957
✔ PECOS✔ Accepts MedicareSame address

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

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 Steven H Rosenberg MD Inc's NPI number?

The NPI number for Steven H Rosenberg MD Inc is 1326225764. It was assigned to this organization in the NPPES registry on January 29, 2008.

Where is Steven H Rosenberg MD Inc located?

Steven H Rosenberg MD Inc is located at 3400 Lomita Blvd Suite 400, Torrance, CA 90505. The listed phone number is (310) 539-4957.

What is Steven H Rosenberg MD Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

Is Steven H Rosenberg MD Inc enrolled in Medicare?

Yes. Steven H Rosenberg MD Inc is registered in the Medicare PECOS enrollment system.

When is Steven H Rosenberg MD 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 Steven H Rosenberg MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Steven H Rosenberg MD 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Steven H Rosenberg MD Inc was last updated on January 27, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.