BRIAN P. MILLER MEDICAL DOCTOR INC.
NPI 1558133108
Psychiatry & Neurology - Psychiatry in La Mesa, CA

Active since October 26, 2023
5555 GROSSMONT CENTER DR, LA MESA, CA 91942(858) 939-4393(866) 742-9784 Get Directions Write a Review

NPPES record last updated: March 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 11, 2025, Oct 26, 2023 (2 updates tracked since 2023).

About Brian P. Miller Medical Doctor Inc. NPPES

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

BRIAN P. MILLER MEDICAL DOCTOR INC. (NPI 1558133108) is a healthcare organization registered as a psychiatry in La Mesa, California and active in the NPI registry since October 2023. The organization maintains a secondary practice location in Long Beach and lists Brian P Miller, Owner, as its authorized official.

NPPES Registry Identity

NPI1558133108
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameBRIAN P. MILLER MEDICAL DOCTOR INC.
Location Address5555 GROSSMONT CENTER DRLa Mesa, CA 91942-3019
Mailing Address5555 Grossmont Center DrLa Mesa, CA 91942-3019
Fax(866) 742-9784
Organization SubpartNo
Authorized OfficialBrian P MillerOwner · (858) 939-4393
Enumeration DateOctober 26, 2023
Last NPPES UpdateMarch 11, 20252 updates tracked since enumeration
NPPES CertifiedMarch 11, 2025
✔ NPI 1558133108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
5555 GROSSMONT CENTER DR, La Mesa, CA 91942

Secondary Practice Location 1

Location 1490 W 14th StLong Beach, CA 90813-2943 · Phone (858) 939-4393 · Fax (866) 742-9784

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Brian P. Miller Medical Doctor Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

12

Medicare enrollment records show 12 clinicians reassign Medicare billing to Brian P. Miller Medical Doctor Inc., which bills Medicare for the services they deliver. Of these, 5 practice at this address and 7 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Nurse Practitioner11
Psychiatry1

Clinicians, nearest first (12)

Nurse Practitioner
NPI 1013530039
5555 GROSSMONT CENTER DR 5555 GROSSMONT CENTER DR
La Mesa, CA 91942
(858) 296-6182
✔ PECOSSame address
Nurse Practitioner
NPI 1568062552
5555 GROSSMONT CENTER DR
La Mesa, CA 91942
(619) 740-4802
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1770921587
5555 GROSSMONT CENTER DR
La Mesa, CA 91942
(619) 740-4800
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1497345946
5555 GROSSMONT CENTER DR
La Mesa, CA 91942
(619) 704-6000
✔ PECOS✔ Accepts MedicareSame address
Psychiatry
NPI 1861411381
5555 GROSSMONT CENTER DR DEPT OF BEHAV HEALTH
La Mesa, CA 91942
(858) 939-4393
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1346529823
8900 GROSSMONT BLVD STE 4
La Mesa, CA 91941
(858) 380-7691
✔ PECOS✔ Accepts Medicare0.6 mi
Nurse Practitioner
NPI 1417619818
7850 VISTA HILL AVE
San Diego, CA 92123
(858) 836-8434
✔ PECOS✔ Accepts Medicare8.7 mi
Nurse Practitioner
NPI 1992270698
9915 MIRA MESA BLVD STE 220
San Diego, CA 92131
(858) 644-7012
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1518690205
765 3RD AVE STE 100
Chula Vista, CA 91910
(888) 683-3860
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1932929353
1259 CAMINO CARMELO UNIT 121
Chula Vista, CA 91913
(619) 944-4475
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1386778967
31194 LA BAYA DR
Westlake Village, CA 91362
(805) 341-3416
✔ PECOS✔ Accepts Medicare140 mi
Nurse Practitioner
NPI 1134523913
8401 HARCOURT ROAD ST VINCENT STRESS CENTER
Indianapolis, IN 46260
(317) 338-4600
✔ PECOS1,778 mi

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 Brian P. Miller Medical Doctor Inc.'s NPI number?

The NPI number for Brian P. Miller Medical Doctor Inc. is 1558133108. It was assigned to this organization in the NPPES registry on October 26, 2023.

Where is Brian P. Miller Medical Doctor Inc. located?

Brian P. Miller Medical Doctor Inc. is located at 5555 Grossmont Center Dr, La Mesa, CA 91942. The listed phone number is (858) 939-4393.

What is Brian P. Miller Medical Doctor Inc.'s specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Brian P. Miller Medical Doctor Inc. enrolled in Medicare?

Yes. Brian P. Miller Medical Doctor Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Brian P. Miller Medical Doctor Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 2 Medicare specialties reassign their Medicare billing to Brian P. Miller Medical Doctor 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. The largest specialties are Nurse Practitioner (11) and Psychiatry (1). Of these, 5 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Brian P. Miller Medical Doctor Inc. was last updated on March 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.