PROHEALTH PARTNERS A MEDICAL GROUP INC
NPI 1639613359
Psychiatry & Neurology - Psychiatry in Costa Mesa, CA

Active since December 14, 2016
2900 BRISTOL ST STE B203, COSTA MESA, CA 92626(855) 867-5551(562) 594-8557 Get Directions Write a Review

NPPES record last updated: April 19, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 19, 2018, Sep 13, 2017, Dec 14, 2016 (3 updates tracked since 2016).

About Prohealth Partners A Medical Group Inc NPPES

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

PROHEALTH PARTNERS A MEDICAL GROUP INC (NPI 1639613359) is a healthcare organization registered as a psychiatry in Costa Mesa, California and active in the NPI registry since December 2016. The organization maintains a secondary practice location in Newport Beach and lists Barry Steven Allswang, President, as its authorized official.

NPPES Registry Identity

NPI1639613359
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NamePROHEALTH PARTNERS A MEDICAL GROUP INC
Location Address2900 BRISTOL ST STE B203Costa Mesa, CA 92626-5948
Mailing Address2900 Bristol St # B203b205Costa Mesa, CA 92626-5981 · (855) 867-5551 · Fax (949) 209-1981
Fax(562) 594-8557
Organization SubpartNo
Authorized OfficialBarry Steven AllswangPresident · (562) 299-5200
Enumeration DateDecember 14, 2016
Last NPPES UpdateApril 19, 20183 updates tracked since enumeration
✔ NPI 1639613359 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.
2900 BRISTOL ST STE B203, Costa Mesa, CA 92626

Secondary Practice Location 1

Location 120311 SW Birch St Ste 100Newport Beach, CA 92660-1778 · Phone (949) 281-6149

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)

Prohealth Partners A Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

278

Medicare enrollment records show 278 clinicians reassign Medicare billing to Prohealth Partners A Medical Group Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 18 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 38

Nurse Practitioner55
Internal Medicine50
Family Practice38
Nephrology18
Cardiovascular Disease (Cardiology)17
Obstetrics/Gynecology10
Gastroenterology7
Hospitalist6
30 other specialties77

Nearest to this location (20)

See all 278
Family Practice
NPI 1285892109
2900 BRISTOL ST STE B205
Costa Mesa, CA 92626
(855) 867-5551
✔ PECOS✔ Accepts MedicareSame address
Marriage and Family Therapist
NPI 1144708108
2900 BRISTOL ST BLDG B203B205
Costa Mesa, CA 92626
(855) 867-5551
✔ PECOS✔ Accepts Medicare0.1 mi
Psychiatry
NPI 1598023103
2900 BRISTOL ST STE B201
Costa Mesa, CA 92626
(855) 867-5551
✔ PECOS✔ Accepts Medicare0.1 mi
Cardiovascular Disease (Cardiology)
NPI 1629096664
1220 HEMLOCK WAY STE 204
Santa Ana, CA 92707
(714) 266-1666
✔ PECOS✔ Accepts Medicare2.3 mi
Orthopedic Surgery
NPI 1003115619
11190 WARNER AVE STE 300
Fountain Valley, CA 92708
(714) 241-7000
✔ PECOS✔ Accepts Medicare3.7 mi
General Surgery
NPI 1699970632
510 SUPERIOR AVE SUITE 200-G
Newport Beach, CA 92663
(949) 791-6767
✔ PECOS✔ Accepts Medicare4.0 mi
Cardiovascular Disease (Cardiology)
NPI 1235350893
999 N TUSTIN AVE STE 205
Santa Ana, CA 92705
(714) 617-2626
✔ PECOS✔ Accepts Medicare6.2 mi
Family Practice
NPI 1992148530
8900 BOLSA AVE STE D
Westminster, CA 92683
(657) 666-3125
✔ PECOS✔ Accepts Medicare6.8 mi
Nurse Practitioner
NPI 1457859399
11960 SYCAMORE LN
Garden Grove, CA 92843
(714) 507-8920
✔ PECOS✔ Accepts Medicare7.0 mi
Urology
NPI 1851529242
505 S MAIN ST STE 100
Orange, CA 92868
(714) 509-3914
✔ PECOS✔ Accepts Medicare7.2 mi
Internal Medicine
NPI 1114505781
101 THE CITY DR S
Orange, CA 92868
(714) 456-8888
✔ PECOS✔ Accepts Medicare7.6 mi
Internal Medicine
NPI 1043888274
101 THE CITY DR S
Orange, CA 92868
(714) 456-7890
✔ PECOS✔ Accepts Medicare7.6 mi
Hospitalist
NPI 1568892115
101 THE CITY DR S
Orange, CA 92868
(714) 456-8888
✔ PECOS✔ Accepts Medicare7.6 mi
Nephrology
NPI 1457314684
101 THE CITY DR S
Orange, CA 92868
(714) 880-7812
✔ PECOS✔ Accepts Medicare7.7 mi
Urology
NPI 1568803013
101 THE CITY DR S
Orange, CA 92868
(714) 456-7005
✔ PECOS7.7 mi
Nurse Practitioner
NPI 1942284906
455 S MAIN ST
Orange, CA 92868
(714) 532-7607
✔ PECOS✔ Accepts Medicare8.2 mi
Neurology
NPI 1720178817
455 S MAIN ST
Orange, CA 92868
(714) 532-7601
✔ PECOS8.2 mi
Cardiac Electrophysiology
NPI 1912986944
438 E KATELLA AVE STE B
Orange, CA 92867
(714) 744-5000
✔ PECOS✔ Accepts Medicare9.3 mi
Family Practice
NPI 1811347198
2592 N SANTIAGO BLVD
Orange, CA 92867
(714) 577-2271
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1154802593
26671 ALISO CREEK RD STE 101
Aliso Viejo, CA 92656
(949) 763-7188
✔ PECOS12 mi
See all 278 clinicians

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 Prohealth Partners A Medical Group Inc's NPI number?

The NPI number for Prohealth Partners A Medical Group Inc is 1639613359. It was assigned to this organization in the NPPES registry on December 14, 2016.

Where is Prohealth Partners A Medical Group Inc located?

Prohealth Partners A Medical Group Inc is located at 2900 Bristol St Ste B203, Costa Mesa, CA 92626. The listed phone number is (855) 867-5551.

What is Prohealth Partners A Medical Group Inc's specialty?

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

Is Prohealth Partners A Medical Group Inc enrolled in Medicare?

Yes. Prohealth Partners A Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Prohealth Partners A Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 278 clinicians in 38 Medicare specialties reassign their Medicare billing to Prohealth Partners A Medical Group 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 (55), Internal Medicine (50) and Family Practice (38). Of these, 1 practice at this address and 18 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 Prohealth Partners A Medical Group Inc was last updated on April 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.