PROHEALTH PARTNERS A MEDICAL GROUP INC
NPI 1811020639
Internal Medicine in Los Alamitos, CA

Active since March 13, 2007CLIA 05D0935105 · Waiver
3801 KATELLA AVE, SUITE 330, LOS ALAMITOS, CA 90720(562) 594-9546(562) 598-0258 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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 1811020639) is a healthcare organization registered as an internal medicine in Los Alamitos, California and active in the NPI registry since March 2007. The organization holds a CLIA Waiver certificate valid through October 20, 2027 and lists Peter Ferrera, President, as its authorized official.

NPPES Registry Identity

NPI1811020639
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePROHEALTH PARTNERS A MEDICAL GROUP INC
Location Address3801 KATELLA AVE, SUITE 330Los Alamitos, CA 90720-3338
Mailing Address3801 Katella Ave Ste 330Los Alamitos, CA 90720-6900 · (562) 594-9546
Fax(562) 598-0258
Organization SubpartNo
Authorized OfficialPeter FerreraPresident · (562) 299-5200
Enumeration DateMarch 13, 2007
Last NPPES UpdateSeptember 4, 2025
NPPES CertifiedSeptember 4, 2025
NPI 1811020639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3801 KATELLA AVE, Los Alamitos, CA 90720

Other Identifiers 2

OtherZZZ47101ZCA · Blue Shield Group Number
MedicaidGR0064156CA

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

CLIA Laboratory Certificates CMS CLIA

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 05D0935105

Prohealth Partners, A Medical Grp Inc · Los Alamitos, CA
Active · expires Oct 20, 2027
CLIA Number05D0935105
Laboratory TypePhysician Office
Certificate Effective DateOctober 21, 2025
Certificate Expiration DateOctober 20, 2027
Laboratory DirectorWinston Chung
Laboratory Phone(562) 594-9546
Laboratory LocationProhealth Partners, A Medical Grp Inc3801 Katella Avenue, Suite 330, Los Alamitos, CA 90720
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 20

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

Allergy & Immunology (Allergy)
3801 KATELLA AVE, SUITE 201
LOS ALAMITOS, CA 90720
Clinic/Center (Medical Specialty)
3801 KATELLA AVE, SUITE 321
LOS ALAMITOS, CA 90720
Internal Medicine (Hematology & Oncology)
3801 KATELLA AVE, SUITE 207
LOS ALAMITOS, CA 90720
Pediatrics
3801 KATELLA AVE, STE 221
LOS ALAMITOS, CA 90720
Internal Medicine (Interventional Cardiology)
3801 KATELLA AVE, SUITE 310
LOS ALAMITOS, CA 90720
Internal Medicine (Hematology & Oncology)
3801 KATELLA AVE, SUITE #207
LOS ALAMITOS, CA 90720
Internal Medicine (Nephrology)
3801 KATELLA AVE, STE 225
LOS ALAMITOS, CA 90720
Internal Medicine (Cardiovascular Disease)
3801 KATELLA AVE, SUITE 401
LOS ALAMITOS, CA 90720

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 1811020639. It was assigned to this organization in the NPPES registry on March 13, 2007.

Where is Prohealth Partners A Medical Group Inc located?

Prohealth Partners A Medical Group Inc is located at 3801 Katella Ave Suite 330, Los Alamitos, CA 90720. The listed phone number is (562) 594-9546.

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

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Prohealth Partners A Medical Group Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0935105) is associated with this NPI, valid through October 20, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Prohealth Partners A Medical Group Inc was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.