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MELISSA DE GUZMAN DUAG PA-C
NPI 1063588507
Physician Assistant in Pico Rivera, CA

Active since November 27, 2006PECOS Enrolled
9436 E. SLAUSON AVENUE, PICO RIVERA, CA 90660(562) 949-6069(562) 949-0199 Get Directions Write a Review

NPPES record last updated: November 14, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Melissa De Guzman Duag Pa-c NPPES

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

MELISSA DE GUZMAN DUAG PA-C (NPI 1063588507) is an individual physician assistant in Pico Rivera, California, licensed in California (PA16460) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1063588507
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMELISSA DE GUZMAN DUAGCredential: PA-C
Location Address9436 E. SLAUSON AVENUEPico Rivera, CA 90660-4748
Mailing Address9436 E. Slauson AvenuePico Rivera, CA 90660-4748 · (562) 949-6069 · Fax (562) 949-0199
Phone(562) 949-6069
Fax(562) 949-0199
Sole ProprietorNo
Enumeration DateNovember 27, 2006
Last NPPES UpdateNovember 14, 2011
✔ NPI 1063588507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA16460
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
9436 E. SLAUSON AVENUE, Pico Rivera, CA 90660
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Other Names 1

Former Name (1)Melissa Tabanera De Guzman Pa-c

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Melissa De Guzman Duag Pa-c 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90660 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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

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

GARY STEVEN RAMIREZ PA-C
Physician Assistant
9436 E. SLAUSON AVENUE
PICO RIVERA, CA 90660
Los Angeles County (562) 949-6069

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 Melissa Duag's NPI number?

The NPI number for Melissa Duag is 1063588507. It was assigned to this individual provider in the NPPES registry on November 27, 2006. The provider is also known as Melissa Tabanera De Guzman Pa-C.

Where is Melissa Duag located?

Melissa Duag practices at 9436 E. Slauson Avenue, Pico Rivera, CA 90660. The listed phone number is (562) 949-6069.

What is Melissa Duag's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Melissa Duag enrolled in Medicare?

Yes. Melissa Duag is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Melissa Duag was last updated on November 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.