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MONROVIA INTERNAL MEDICINE AND PRIMARY CARE
NPI 1407291347
Internal Medicine in Duarte, CA

Active since May 06, 2013CLIA 05D2091525 · Waiver
1227 BUENA VISTA ST, SUITE #F, DUARTE, CA 91010(877) 254-4496(877) 254-4496 Get Directions Write a Review

NPPES record last updated: May 1, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Monrovia Internal Medicine And Primary Care NPPES

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

MONROVIA INTERNAL MEDICINE AND PRIMARY CARE (NPI 1407291347) is a healthcare organization registered as an internal medicine in Duarte, California and active in the NPI registry since May 2013. The organization holds a CLIA Waiver certificate valid through February 12, 2027 and lists Ulin Sargeant, President, as its authorized official.

NPPES Registry Identity

NPI1407291347
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameEXECUTIVE MEDICINE, INC.
Location Address1227 BUENA VISTA ST, SUITE #FDuarte, CA 91010-2486
Mailing AddressPo Box 2063Monrovia, CA 91017-6063 · (877) 254-4496 · Fax (877) 254-4496
Phone(877) 254-4496
Fax(877) 254-4496
Organization SubpartNo
Authorized OfficialUlin SargeantPresident · (877) 254-4496
Enumeration DateMay 6, 2013
Last NPPES UpdateMay 1, 2024
NPPES CertifiedMay 1, 2024
✔ NPI 1407291347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A97256
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.
1227 BUENA VISTA ST, Duarte, CA 91010
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Other Names 1

Doing Business AsMonrovia Internal Medicine And Primary Care

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)

Monrovia Internal Medicine And Primary Care is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Monrovia Internal Medicine And Primary Care, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ulin Sargeant, M.D., MPH
Internal Medicine
NPI 1992878151
1227 BUENA VISTA ST SUITE #F
Duarte, CA 91010
(877) 254-4496
✔ PECOS✔ Accepts MedicareSame address

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

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 05D2091525

Monrovia Internal Medicine And Primary Care · Duarte, CA
Active · expires Feb 12, 2027
CLIA Number05D2091525
Laboratory TypePhysician Office
Certificate Effective DateFebruary 13, 2025
Certificate Expiration DateFebruary 12, 2027
Laboratory DirectorUlin A. Sargeant
Laboratory Phone(877) 254-4496
Laboratory LocationMonrovia Internal Medicine And Primary Care1227 Buena Vista St Ste F, Duarte, CA 91010
CLIA data matches this NPI record on: Address 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 Executive Medicine, Inc.'s NPI number?

The NPI number for Executive Medicine, Inc. is 1407291347. It was assigned to this organization in the NPPES registry on May 6, 2013. The provider is doing business as Monrovia Internal Medicine And Primary Care.

Where is Executive Medicine, Inc. located?

Executive Medicine, Inc. is located at 1227 Buena Vista St Suite #f, Duarte, CA 91010. The listed phone number is (877) 254-4496.

What is Executive Medicine, Inc.'s specialty?

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

Is Executive Medicine, Inc. enrolled in Medicare?

Yes. Executive Medicine, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Executive Medicine, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Executive Medicine, 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Executive Medicine, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2091525) is associated with this NPI, valid through February 12, 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 Executive Medicine, Inc. was last updated on May 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.