Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARIAM A. HUSSAIN PHD
NPI 1073321444
Clinical Neuropsychologist in San Diego, CA

Q: What is Mariam Hussain's NPI number?

The NPI number for Mariam Hussain is 1073321444. It was assigned to this individual provider in the NPPES registry on December 18, 2024.

Q: What is Mariam Hussain's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Q: When was this NPI record last updated?

The NPPES record for Mariam Hussain was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.

Active since December 18, 2024PECOS EnrolledAccepts Medicare Assignment

6699 ALVARADO RD STE 2308, SAN DIEGO, CA 92120(760) 631-3000(760) 631-3016 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 22, 2026, Aug 10, 2026, Dec 18, 2024 (3 updates tracked since 2024).

On this page

About Dr. Mariam A. Hussain Phd NPPES

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

DR. MARIAM A. HUSSAIN PHD (NPI 1073321444) is an individual clinical neuropsychologist in San Diego, California, licensed in California (PSY35561) and active in the NPI registry since December 2024. She is enrolled in Medicare PECOS, maintains a secondary practice location in Poway, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1073321444

Entity TypeIndividualFemale

Primary Taxonomy103G00000X

Provider Legal NameDR. MARIAM A. HUSSAINCredential: PHD

Location Address6699 ALVARADO RD STE 2308San Diego, CA 92120-5241

Mailing Address6010 Hidden Valley Rd Ste 200Carlsbad, CA 92011-4219 · (760) 631-3000 · Fax (760) 631-3016

Phone(760) 631-3000

Fax(760) 631-3016

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateDecember 18, 2024

Last NPPES UpdateSeptember 22, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 22, 2026

✔ NPI 1073321444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers

Taxonomy Code103G00000X

License✔ Licensed in CA · PSY35561

Definition

A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

Also ListedPsychologist · Adult Development & AgingTaxonomy 103TA0700X

Also ListedPsychologist · Cognitive & BehavioralTaxonomy 103TB0200X

Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License PSY35561 (CA)

Also ListedPsychologist · HealthTaxonomy 103TH0004X

Also ListedPsychologist · RehabilitationTaxonomy 103TR0400X

6699 ALVARADO RD STE 2308, San Diego, CA 92120

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Secondary Practice Location 1

Location 115611 Pomerado Rd Ste 580Poway, CA 92064-2438 · Phone (760) 631-3000 · Fax (760) 631-3016

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mariam A. Hussain Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941737134

PECOS Enrollment IDI20241230002584

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Mariam Hussain reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pacific Neurobehavioral Clinic: A Psychological Corporation

8.2 mi

Community/Behavioral Health

3990 OLD TOWN AVE STE C303
San Diego, CA 92110

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Pacific Neurobehavioral Clinic Inc
10 clinicians in this Medicare group

NPI 1952724817 (858) 964-0722

Empower Neurorehab

9.2 mi

Rehabilitation Practitioner

8996 MIRAMAR RD STE 301
San Diego, CA 92126

Reassigned Medicare billing, California enrollment
11 clinicians in this Medicare group

NPI 1710602628 (760) 688-0601

North County Neurology Associates Medical Group

28 mi

Neurology

6010 HIDDEN VALLEY RD STE 200
Carlsbad, CA 92011

Reassigned Medicare billing, California enrollment
42 clinicians in this Medicare group

NPI 1003860537 (760) 631-3000

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

Other Providers at the Same Location NPPES

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

DANIEL ANGELO MICHELI

Psychiatry & Neurology (Neurology)

6699 ALVARADO RD STE 2308
SAN DIEGO, CA 92120

San Diego County (760) 631-3000

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 Mariam Hussain's NPI number?

The NPI number for Mariam Hussain is 1073321444. It was assigned to this individual provider in the NPPES registry on December 18, 2024.

Where is Mariam Hussain located?

Mariam Hussain practices at 6699 Alvarado Rd Ste 2308, San Diego, CA 92120. The listed phone number is (760) 631-3000.

What is Mariam Hussain's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Mariam Hussain enrolled in Medicare?

Yes. Mariam Hussain is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mariam Hussain's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariam Hussain reassigns Medicare benefits to 3 organizations: Pacific Neurobehavioral Clinic: A Psychological Corporation (San Diego, CA), Empower Neurorehab (San Diego, CA) and North County Neurology Associates Medical Group (Carlsbad, CA). Each 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 Mariam Hussain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mariam Hussain was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.