CYNTHIA ALVAREZ CLEGG FNP
NPI 1063725661
Nurse Practitioner - Family in Alhambra, CA

Active since July 23, 2010PECOS Enrolled
1428 S MARENGO AVE, ALHAMBRA, CA 91803(626) 576-1032 Get Directions Write a Review

NPPES record last updated: December 14, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 14, 2024, May 9, 2024, Mar 4, 2016 and 1 more (4 updates tracked since 2015).

About Cynthia Alvarez Clegg Fnp NPPES

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

CYNTHIA ALVAREZ CLEGG FNP (NPI 1063725661) is an individual family provider in Alhambra, California, licensed in California (19492) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS and maintains a secondary practice location in Los Angeles.

NPPES Registry Identity

NPI1063725661
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCYNTHIA ALVAREZ CLEGGCredential: FNP
Location Address1428 S MARENGO AVEAlhambra, CA 91803-3096
Mailing Address1300 N Vermont Ave Ste 506Los Angeles, CA 90027-6098 · (213) 989-6959
Sole ProprietorNo
Enumeration DateJuly 23, 2010
Last NPPES UpdateDecember 14, 20244 updates tracked since enumeration
NPPES CertifiedDecember 14, 2024
✔ NPI 1063725661 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 19492
Also ListedNurse PractitionerTaxonomy 363L00000X · License 19492 (CA)
1428 S MARENGO AVE, Alhambra, CA 91803

Secondary Practice Location 1

Location 11300 N Vermont Ave Ste 506Los Angeles, CA 90027-6098 · Phone (213) 989-6959

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cynthia Alvarez Clegg Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

3

Medicare enrollment records show Cynthia Clegg reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospitalist
1680 S GARFIELD AVE # 204
Alhambra, CA 91801
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Apollomed Hospitalists A Medical Corporation
  • 53 clinicians in this Medicare group
Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
Family
511 N HOLLYWOOD WAY
Burbank, CA 91505
  • Reassigned Medicare billing, California enrollment
  • 236 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91803 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 2

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

Physical Therapist
1428 S MARENGO AVE
ALHAMBRA, CA 91803
Physical Therapist
1428 S MARENGO AVE
ALHAMBRA, CA 91803

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 Cynthia Clegg's NPI number?

The NPI number for Cynthia Clegg is 1063725661. It was assigned to this individual provider in the NPPES registry on July 23, 2010.

Where is Cynthia Clegg located?

Cynthia Clegg practices at 1428 S Marengo Ave, Alhambra, CA 91803. The listed phone number is (626) 576-1032.

What is Cynthia Clegg's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Cynthia Clegg enrolled in Medicare?

Yes. Cynthia Clegg is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Cynthia Clegg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Clegg reassigns Medicare benefits to 3 organizations: Astrana Care Hospitalists, A Medical Corporation (Alhambra, CA), Healthcare Partners Affiliates Medical Group (Los Angeles, CA) and Minuteclinic Diagnostic Medical Group Of California Inc (Burbank, CA). Each 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 Cynthia Clegg'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 Cynthia Clegg was last updated on December 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.