JUSTIN ALEXANDER PEGUEROS MD
NPI 1427546738
Family Medicine in La Verne, CA

Active since April 23, 2018PECOS Enrolled
2333 FOOTHILL BLVD STE B, LA VERNE, CA 91750(909) 392-6501(909) 469-2136 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jul 26, 2022, Apr 23, 2018 (2 updates tracked since 2018).

About Justin Alexander Pegueros Md NPPES

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

JUSTIN ALEXANDER PEGUEROS MD (NPI 1427546738) is an individual family medicine provider in La Verne, California, licensed in California (A165167) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Albany Medical College Of Union University (2017).

NPPES Registry Identity

NPI1427546738
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameJUSTIN ALEXANDER PEGUEROSCredential: MD
Location Address2333 FOOTHILL BLVD STE BLa Verne, CA 91750-3027
Mailing Address2333 Foothill Blvd Ste BLa Verne, CA 91750-3027 · (909) 392-6501 · Fax (909) 469-2136
Fax(909) 469-2136
Sole ProprietorNo
Medical School CMSAlbany Medical College Of Union UniversityGraduated 2017
Enumeration DateApril 23, 2018
Last NPPES UpdateFebruary 25, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2026
✔ NPI 1427546738 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A165167
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2333 FOOTHILL BLVD STE B, La Verne, CA 91750

Secondary Practice Locations 3

Location 13110 Chino Ave Ste 150BChino Hills, CA 91709-1295 · Phone (909) 630-7868 · Fax (909) 469-2109
Location 21601 Monte Vista Ave Ste 190Claremont, CA 91711-6600 · Phone (909) 865-9977 · Fax (909) 469-2119
Location 32333 Foothill Blvd Ste CLA Verne, CA 91750-3027 · Phone (909) 391-6511 · Fax (909) 469-2137

Other Identifiers 1

Medicaid1427546738CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Justin Alexander Pegueros Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3375977010
PECOS Enrollment IDI20210819003600
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Justin Pegueros reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Service
2333 FOOTHILL BLVD STE B
La Verne, CA 91750
  • Reassigned Medicare billing, California enrollment
  • 50 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
139 services72 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
128 services81 patients
Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005
An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.
14 services13 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91750 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

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

Clinic/Center (Health Service)
2333 FOOTHILL BLVD STE B
LA VERNE, CA 91750
Family Medicine
2333 FOOTHILL BLVD STE B
LA VERNE, CA 91750
Nurse Practitioner (Family)
2333 FOOTHILL BLVD STE B
LA VERNE, CA 91750
Family Medicine
2333 FOOTHILL BLVD STE B
LA VERNE, CA 91750
Family Medicine
2333 FOOTHILL BLVD STE B
LA VERNE, CA 91750
Family Medicine
2333 FOOTHILL BLVD STE B
LA VERNE, CA 91750
Family Medicine
2333 FOOTHILL BLVD STE B
LA VERNE, CA 91750
Family Medicine
2333 FOOTHILL BLVD STE B
LA VERNE, CA 91750

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 Justin Pegueros's NPI number?

The NPI number for Justin Pegueros is 1427546738. It was assigned to this individual provider in the NPPES registry on April 23, 2018.

Where is Justin Pegueros located?

Justin Pegueros practices at 2333 Foothill Blvd Ste B, La Verne, CA 91750. The listed phone number is (909) 392-6501.

What is Justin Pegueros's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Justin Pegueros enrolled in Medicare?

Yes. Justin Pegueros is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Justin Pegueros's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Pegueros reassigns Medicare benefits to Premier Family Medicine Associates, Inc (La Verne, CA). The 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 Justin Pegueros's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Justin Pegueros was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.