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JOHANNA ROSENTHAL M.D. INC.
NPI 1881832251
Psychiatry & Neurology - Neurology in Fullerton, CA

Active since January 23, 2009
1440 N HARBOR BLVD STE 900, FULLERTON, CA 92835(714) 449-3311(714) 870-0002 Get Directions Write a Review

NPPES record last updated: February 23, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Johanna Rosenthal M.d. Inc. NPPES

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

JOHANNA ROSENTHAL M.D. INC. (NPI 1881832251) is a healthcare organization registered as a neurology in Fullerton, California and active in the NPI registry since January 2009. The organization lists Johanna Lynn Rosenthal, Ceo, as its authorized official.

NPPES Registry Identity

NPI1881832251
Entity TypeOrganization
Primary Taxonomy2084N0400X
Legal Business NameJOHANNA ROSENTHAL M.D. INC.
Location Address1440 N HARBOR BLVD STE 900Fullerton, CA 92835-4122
Mailing Address1440 N Harbor Blvd Ste 900Fullerton, CA 92835-4122 · (714) 449-3311 · Fax (714) 870-0002
Phone(714) 449-3311
Fax(714) 870-0002
Organization SubpartNo
Authorized OfficialJohanna Lynn RosenthalCeo · (714) 213-0492
Enumeration DateJanuary 23, 2009
Last NPPES UpdateFebruary 23, 2022
NPPES CertifiedFebruary 23, 2022
✔ NPI 1881832251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · G40976
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
1440 N HARBOR BLVD STE 900, Fullerton, CA 92835
Open in Google Maps ↗

Other Identifiers 1

Other00G409760CA · Medi-cal

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 MULTIPLE 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)

Johanna Rosenthal M.d. Inc. 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 Johanna Rosenthal M.D. Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Johanna Rosenthal, M.D.
Neurology
NPI 1881741247
1440 N HARBOR BLVD STE 900
Fullerton, CA 92835
(714) 213-0492
✔ 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 Johanna Rosenthal M.D. Inc.'s NPI number?

The NPI number for Johanna Rosenthal M.D. Inc. is 1881832251. It was assigned to this organization in the NPPES registry on January 23, 2009.

Where is Johanna Rosenthal M.D. Inc. located?

Johanna Rosenthal M.D. Inc. is located at 1440 N Harbor Blvd Ste 900, Fullerton, CA 92835. The listed phone number is (714) 449-3311.

What is Johanna Rosenthal M.D. Inc.'s specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Johanna Rosenthal M.D. Inc. enrolled in Medicare?

Yes. Johanna Rosenthal M.D. Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Johanna Rosenthal M.D. Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurology) reassigns their Medicare billing to Johanna Rosenthal M.D. 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 Johanna Rosenthal M.D. Inc. was last updated on February 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.