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KAREN ALTMAN M.D. INC
NPI 1649467531
Psychiatry & Neurology - Neurology in West Hollywood, CA

Active since September 25, 2007
8733 BEVERLY BLVD STE 404, WEST HOLLYWOOD, CA 90048(310) 659-8451 Get Directions Write a Review

NPPES record last updated: May 6, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 6, 2024, Oct 16, 2018 (2 updates tracked since 2018).

About Karen Altman M.d. Inc NPPES

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

KAREN ALTMAN M.D. INC (NPI 1649467531) is a healthcare organization registered as a neurology in West Hollywood, California and active in the NPI registry since September 2007. The organization lists Gabriela Perez, Business Manager, as its authorized official.

NPPES Registry Identity

NPI1649467531
Entity TypeOrganization
Primary Taxonomy2084N0400X
Legal Business NameKAREN ALTMAN M.D. INC
Location Address8733 BEVERLY BLVD STE 404West Hollywood, CA 90048-1842
Mailing Address8733 Beverly Blvd Ste 404West Hollywood, CA 90048-1842
Phone(310) 659-8451
Organization SubpartNo
Authorized OfficialGabriela PerezBusiness Manager · (800) 437-3507
Enumeration DateSeptember 25, 2007
Last NPPES UpdateMay 6, 20242 updates tracked since enumeration
NPPES CertifiedMay 6, 2024
✔ NPI 1649467531 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
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.
8733 BEVERLY BLVD STE 404, West Hollywood, CA 90048
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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, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen Altman M.d. Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

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 IDO20050223000540Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027
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 Karen Altman M.D. Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Karen Altman, MD
Neurology
NPI 1518912211
8733 BEVERLY BL 404
West Hollywood, CA 90048
(310) 659-8451
✔ 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 Karen Altman M.D. Inc's NPI number?

The NPI number for Karen Altman M.D. Inc is 1649467531. It was assigned to this organization in the NPPES registry on September 25, 2007.

Where is Karen Altman M.D. Inc located?

Karen Altman M.D. Inc is located at 8733 Beverly Blvd Ste 404, West Hollywood, CA 90048. The listed phone number is (310) 659-8451.

What is Karen Altman M.D. Inc's specialty?

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

Is Karen Altman M.D. Inc enrolled in Medicare?

Yes. Karen Altman M.D. Inc is registered in the Medicare PECOS enrollment system.

When is Karen Altman M.D. 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 March 31, 2027. 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 Karen Altman M.D. Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurology) reassigns their Medicare billing to Karen Altman 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 Karen Altman M.D. Inc was last updated on May 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.