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MAYFLOWER MEDICAL GROUP, INC.
NPI 1003188160
Internal Medicine in West Covina, CA

Active since February 06, 2012CLIA Certified · 5 labs
140 N ORANGE AVE., SUITE 100, WEST COVINA, CA 91790(626) 800-1200(626) 962-2471 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 23, 2026, Sep 23, 2024, Aug 23, 2024 and 6 more (9 updates tracked since 2018).

About Mayflower Medical Group, Inc. NPPES

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

MAYFLOWER MEDICAL GROUP, INC. (NPI 1003188160) is a healthcare organization registered as an internal medicine in West Covina, California and active in the NPI registry since February 2012. The organization holds 5 active CLIA laboratory certificates, maintains 2 additional practice locations, and lists Erica Carbajal, Site Manager, as its authorized official.

NPPES Registry Identity

NPI1003188160
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMAYFLOWER MEDICAL GROUP, INC.
Location Address140 N ORANGE AVE., SUITE 100West Covina, CA 91790-2032
Mailing Address140 N Orange Ave Ste 100West Covina, CA 91790-2032 · (626) 800-1200 · Fax (626) 962-2471
Phone(626) 800-1200
Fax(626) 962-2471
Organization SubpartNo
Authorized OfficialErica CarbajalSite Manager · (626) 800-1200
Enumeration DateFebruary 6, 2012
Last NPPES UpdateApril 23, 20269 updates tracked since enumeration
NPPES CertifiedApril 23, 2026
✔ NPI 1003188160 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedPediatricsTaxonomy 208000000X
140 N ORANGE AVE., West Covina, CA 91790
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Other Names 1

Doing Business AsMayflower Medical Group, Inc.

Secondary Practice Locations 2

Location 11900 E La Palma Ave Ste A&bAnaheim, CA 92805-1647 · Phone (714) 888-5742
Location 211436 Garvey Ave Ste A&bEl Monte, CA 91732-3304 · Phone (626) 459-5420 · Fax (626) 444-4511

Other Identifiers 1

Medicaid6409040CA

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 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 05D2041490

Mayflower Medical Group Inc · West Covina, CA
Active · expires May 22, 2028
CLIA Number05D2041490
Laboratory TypePhysician Office
Certificate Effective DateMay 23, 2026
Certificate Expiration DateMay 22, 2028
Laboratory DirectorAnil Gupta
Laboratory Phone(626) 800-1200
Laboratory LocationMayflower Medical Group Inc140 N Orange Ave Ste 100, West Covina, CA 91790
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 05D2137082

Mayflower Medical Group, Inc · West Covina, CA
Active · expires Sep 19, 2027
CLIA Number05D2137082
Laboratory TypePhysician Office
Certificate Effective DateSeptember 20, 2025
Certificate Expiration DateSeptember 19, 2027
Laboratory DirectorArvind Lapsiwala
Laboratory Phone(626) 800-1200
Laboratory LocationMayflower Medical Group, Inc140 North Orange Avenue, Suite 100, West Covina, CA 91790
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 05D2220550

Mayflower Medical Group, Inc. · Anaheim, CA
Active · expires Apr 12, 2027
CLIA Number05D2220550
Laboratory TypePhysician Office
Certificate Effective DateApril 13, 2025
Certificate Expiration DateApril 12, 2027
Laboratory DirectorJesus Arenas
Laboratory Phone(714) 888-5742
Laboratory LocationMayflower Medical Group, Inc.1900 E La Palma Ave Ste A, Anaheim, CA 92805
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 05D2088161

Mayflower Medical Group Inc · West Covina, CA
Active · expires Dec 10, 2026
CLIA Number05D2088161
Laboratory TypePhysician Office
Certificate Effective DateDecember 11, 2024
Certificate Expiration DateDecember 10, 2026
Laboratory DirectorEugene E. Symaco
Laboratory Phone(626) 800-1200
Laboratory LocationMayflower Medical Group Inc140 N Orange Ave Ste 104, West Covina, CA 91790
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 05D2182538

Mayflower Medical Group Inc · Duarte, CA
Active · expires Apr 21, 2028
CLIA Number05D2182538
Laboratory TypePhysician Office
Certificate Effective DateApril 22, 2026
Certificate Expiration DateApril 21, 2028
Laboratory DirectorArvind Chimanlal Lapsiwala
Laboratory Phone(626) 800-1200
Laboratory LocationMayflower Medical Group Inc1750 Huntington Drive Suite B, Duarte, CA 91010
CLIA data matches this NPI record on: Name Phone
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 Mayflower Medical Group, Inc.'s NPI number?

The NPI number for Mayflower Medical Group, Inc. is 1003188160. It was assigned to this organization in the NPPES registry on February 6, 2012.

Where is Mayflower Medical Group, Inc. located?

Mayflower Medical Group, Inc. is located at 140 N Orange Ave. Suite 100, West Covina, CA 91790. The listed phone number is (626) 800-1200.

What is Mayflower Medical Group, Inc.'s specialty?

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

Does Mayflower Medical Group, 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 Mayflower Medical Group, Inc. was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.