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

PACIFIC NEUROPSYCHIATRIC SPECIALISTS INC.
NPI 1356685218
Psychiatry & Neurology - Psychiatry in Costa Mesa, CA

Active since November 15, 2012CLIA Certified · 5 labs
3151 AIRWAY AVE STE G1, COSTA MESA, CA 92626(714) 545-5550(714) 708-2588 Get Directions Write a Review

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

Record update history: Aug 27, 2026, Jul 29, 2026, Jan 7, 2026 and 3 more (6 updates tracked since 2018).

About Pacific Neuropsychiatric Specialists Inc. NPPES

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

PACIFIC NEUROPSYCHIATRIC SPECIALISTS INC. (NPI 1356685218) is a healthcare organization registered as a psychiatry in Costa Mesa, California and active in the NPI registry since November 2012. The organization holds 5 active CLIA laboratory certificates, maintains 7 additional practice locations, and lists Alejandro Alva, Ceo, as its authorized official.

NPPES Registry Identity

NPI1356685218
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NamePACIFIC NEUROPSYCHIATRIC SPECIALISTS INC.
Location Address3151 AIRWAY AVE STE G1Costa Mesa, CA 92626-4624
Mailing Address19782 Macarthur Blvd Ste 300Irvine, CA 92612-2417 · (714) 545-5550 · Fax (949) 991-2040
Phone(714) 545-5550
Fax(714) 708-2588
Organization SubpartNo
Authorized OfficialAlejandro AlvaCeo · (714) 545-5550
Enumeration DateNovember 15, 2012
Last NPPES UpdateAugust 27, 20266 updates tracked since enumeration
NPPES CertifiedAugust 27, 2026
✔ NPI 1356685218 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
3151 AIRWAY AVE STE G1, Costa Mesa, CA 92626
Open in Google Maps ↗

Secondary Practice Locations 7

Location 11760 Termino Ave Ste G21Long Beach, CA 90804-2182 · Phone (714) 545-5550 · Fax (562) 543-3339
Location 2302 W La Veta Ave Ste 202Orange, CA 92866-2607 · Phone (714) 545-5550 · Fax (714) 202-5555
Location 319671 Beach Blvd Ste 215Huntington Beach, CA 92648-5903 · Phone (714) 545-5550 · Fax (714) 916-0000
Location 426024 AceroMission Viejo, CA 92691-2768 · Phone (714) 545-5550 · Fax (949) 609-0374
Location 51310 W Stewart Dr ste 306Orange, CA 92868-3838 · Phone (714) 545-5550 · Fax (714) 363-3761
Location 6999 N Tustin Ave Ste 216Santa Ana, CA 92705-6506 · Phone (714) 545-5550 · Fax (714) 571-0005
Location 7900 S Main St Ste 209Corona, CA 92882-3401 · Phone (714) 545-5550 · Fax (949) 298-5928

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 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)

Pacific Neuropsychiatric Specialists Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

27

Medicare enrollment records show 27 clinicians reassign Medicare billing to Pacific Neuropsychiatric Specialists Inc., which bills Medicare for the services they deliver. Of these, 3 practice at this address and 14 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Psychiatry13
Nurse Practitioner10
Marriage and Family Therapist2
Certified Clinical Nurse Specialist (CNS)1
Neurology1

Nearest to this location (20)

See all 27
Shiva Ahmadi, FNP
Nurse Practitioner
NPI 1356873715
3151 AIRWAY AVE STE G1
Costa Mesa, CA 92626
(714) 545-5550
✔ PECOS✔ Accepts MedicareSame address
Alejandro Alva, M.D.
Psychiatry
NPI 1801816764
3151 AIRWAY AVE STE G1
Costa Mesa, CA 92626
(714) 545-5550
✔ PECOS✔ Accepts MedicareSame address
Borhan Darmal
Psychiatry
NPI 1679065536
3151 AIRWAY AVE STE G1
Costa Mesa, CA 92626
(714) 545-5550
✔ PECOS✔ Accepts MedicareSame address
Taurean Oram
Nurse Practitioner
NPI 1568358760
895 DOVE ST STE 300
Newport Beach, CA 92660
(562) 652-3682
✔ PECOS✔ Accepts Medicare1.4 mi
Adolfo Bojorquez, LMFT
Marriage and Family Therapist
NPI 1699335752
999 N TUSTIN AVE
Santa Ana, CA 92705
(714) 545-5550
✔ PECOS✔ Accepts Medicare5.6 mi
Elizabeth Mojica, PMHNP
Nurse Practitioner
NPI 1891518262
999 N TUSTIN AVE
Santa Ana, CA 92705
(714) 545-5550
✔ PECOS✔ Accepts Medicare5.6 mi
Erik Petersen, MD
Psychiatry
NPI 1922210251
999 N TUSTIN AVE STE 216
Santa Ana, CA 92705
(714) 545-5550
✔ PECOS✔ Accepts Medicare5.6 mi
Priti Bhardwaj, M.D.
Psychiatry
NPI 1750419230
999 N TUSTIN AVE STE 216
Santa Ana, CA 92705
(714) 545-5550
✔ PECOS✔ Accepts Medicare5.7 mi
Gustavo Alva, M.D.
Psychiatry
NPI 1417030222
302 W LA VETA AVE STE 202
Orange, CA 92866
(714) 545-5550
✔ PECOS✔ Accepts Medicare7.1 mi
Jarrod Carver, PMHNP
Nurse Practitioner
NPI 1083418628
302 W LA VETA AVE STE 202
Orange, CA 92866
(714) 545-5550
✔ PECOS✔ Accepts Medicare7.1 mi
Yvette Elpidio, PMHNP-BC
Certified Clinical Nurse Specialist (CNS)
NPI 1043657547
302 W LA VETA AVE STE 202
Orange, CA 92866
(714) 545-5550
✔ PECOS✔ Accepts Medicare7.1 mi
Christine Johnson, NP
Nurse Practitioner
NPI 1790408045
302 W LA VETA AVE STE 202
Orange, CA 92866
(714) 545-5550
✔ PECOS✔ Accepts Medicare7.1 mi
Phillip Oka, PMHNP-BC
Nurse Practitioner
NPI 1114813029
302 W LA VETA AVE STE 202
Orange, CA 92866
(714) 545-5550
✔ PECOS✔ Accepts Medicare7.1 mi
Diego Belalcazar, PMHNP-BC
Nurse Practitioner
NPI 1144095597
1310 W STEWART DR STE 306
Orange, CA 92868
(714) 545-5550
✔ PECOS✔ Accepts Medicare7.1 mi
Jeannette Hanna, M.D.
Psychiatry
NPI 1578652798
5762 BOLSA AVENUE SUITE 107
Huntington Beach, CA 92649
(714) 898-0362
✔ PECOS✔ Accepts Medicare10 mi
Tshekedi Dennis, MD
Psychiatry
NPI 1215015508
5762 BOLSA AVE SUITE 107
Huntington Beach, CA 92649
(714) 898-0362
✔ PECOS✔ Accepts Medicare10 mi
Merlyn Scoggin, M.D.
Psychiatry
NPI 1336404664
26024 ACERO
Mission Viejo, CA 92691
(714) 545-5550
✔ PECOS✔ Accepts Medicare12 mi
Jan Grothe, LMFT
Marriage and Family Therapist
NPI 1386195956
1760 TERMINO AVE STE G21
Long Beach, CA 90804
(714) 545-5550
✔ PECOS17 mi
Shantel Luciano, PMHNP
Nurse Practitioner
NPI 1376252817
1760 TERMINO AVE STE G21
Long Beach, CA 90804
(714) 545-5550
✔ PECOS✔ Accepts Medicare17 mi
Christina Poland, PMHNP
Nurse Practitioner
NPI 1285500694
900 S MAIN ST STE 209
Corona, CA 92882
(714) 545-5550
✔ PECOS✔ Accepts Medicare22 mi
See all 27 clinicians

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

CLIA Laboratory Certificates CMS CLIA 5

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2184552

Pacific Neuropsychiatric Specialists, Inc. · Costa Mesa, CA
Active · expires May 20, 2028
CLIA Number05D2184552
Laboratory TypePhysician Office
Certificate Effective DateMay 21, 2026
Certificate Expiration DateMay 20, 2028
Laboratory DirectorAlejandro Alva
Laboratory Phone(714) 545-5550
Laboratory LocationPacific Neuropsychiatric Specialists, Inc.3151 Airway Ave Ste G1, Costa Mesa, CA 92626
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2291509

Pacific Neuropsychiatric Specialists, Inc · Orange, CA
Active · expires Oct 10, 2027
CLIA Number05D2291509
Laboratory TypePhysician Office
Certificate Effective DateOctober 11, 2025
Certificate Expiration DateOctober 10, 2027
Laboratory DirectorAlejandro Alva
Laboratory Phone(714) 545-5550
Laboratory LocationPacific Neuropsychiatric Specialists, Inc1310 W Stewart Dr Ste 306, Orange, CA 92868
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2216516

Pacific Neuropsychiatric Specialists, Inc · Mission Viejo, CA
Active · expires Mar 11, 2027
CLIA Number05D2216516
Laboratory TypePhysician Office
Certificate Effective DateMarch 12, 2025
Certificate Expiration DateMarch 11, 2027
Laboratory DirectorAlejandro Alva
Laboratory Phone(714) 545-5550
Laboratory LocationPacific Neuropsychiatric Specialists, Inc26024 Acero, Mission Viejo, CA 92691
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2184623

Pacific Neuropsychiatric Specialists Inc · Huntington Beach, CA
Active · expires May 20, 2028
CLIA Number05D2184623
Laboratory TypePhysician Office
Certificate Effective DateMay 21, 2026
Certificate Expiration DateMay 20, 2028
Laboratory DirectorAlejandro Alva
Laboratory Phone(714) 545-5550
Laboratory LocationPacific Neuropsychiatric Specialists Inc12682 Beach Boulevard Suite 120, Huntington Beach, CA 92648
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2185494

Pacific Neuropsychiatric Specialist Inc · Orange, CA
Active · expires Jun 3, 2028
CLIA Number05D2185494
Laboratory TypePhysician Office
Certificate Effective DateJune 4, 2026
Certificate Expiration DateJune 3, 2028
Laboratory DirectorAlejandro Alva
Laboratory Phone(714) 454-5550
Laboratory LocationPacific Neuropsychiatric Specialist Inc705 West La Veta Ave Suite 111, Orange, CA 92868
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

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 Pacific Neuropsychiatric Specialists Inc.'s NPI number?

The NPI number for Pacific Neuropsychiatric Specialists Inc. is 1356685218. It was assigned to this organization in the NPPES registry on November 15, 2012.

Where is Pacific Neuropsychiatric Specialists Inc. located?

Pacific Neuropsychiatric Specialists Inc. is located at 3151 Airway Ave Ste G1, Costa Mesa, CA 92626. The listed phone number is (714) 545-5550.

What is Pacific Neuropsychiatric Specialists Inc.'s specialty?

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

Is Pacific Neuropsychiatric Specialists Inc. enrolled in Medicare?

Yes. Pacific Neuropsychiatric Specialists Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Pacific Neuropsychiatric Specialists Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 27 clinicians in 5 Medicare specialties reassign their Medicare billing to Pacific Neuropsychiatric Specialists 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 Psychiatry (13), Nurse Practitioner (10) and Marriage and Family Therapist (2). Of these, 3 practice at this address and 14 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Pacific Neuropsychiatric Specialists Inc. hold CLIA laboratory certificates?

Yes. 5 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Pacific Neuropsychiatric Specialists Inc. was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 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.