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MARIANA JESUS MARQUEZ AGACNP
NPI 1669250338
Nurse Practitioner - Acute Care in Pasadena, CA

Active since September 15, 2023PECOS EnrolledAccepts Medicare Assignment
100 W CALIFORNIA BLVD, PASADENA, CA 91105(626) 397-5000 Get Directions Write a Review

NPPES record last updated: July 10, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mariana Jesus Marquez Agacnp NPPES

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

MARIANA JESUS MARQUEZ AGACNP (NPI 1669250338) is an individual acute care provider in Pasadena, California, licensed in California (95026968) and active in the NPI registry since September 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Santa Monica, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1669250338
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMARIANA JESUS MARQUEZCredential: AGACNP
Location Address100 W CALIFORNIA BLVDPasadena, CA 91105-3010
Mailing Address4140 W 190th StTorrance, CA 90504-5513 · (626) 352-1444 · Fax (626) 397-2968
Phone(626) 397-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateSeptember 15, 2023
Last NPPES UpdateJuly 10, 2025
NPPES CertifiedJuly 10, 2025
✔ NPI 1669250338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in CA · 95026968
Also ListedNurse PractitionerTaxonomy 363L00000X · License 95026968 (CA)
100 W CALIFORNIA BLVD, Pasadena, CA 91105
Open in Google Maps ↗

Secondary Practice Location 1

Location 12121 Santa Monica BlvdSanta Monica, CA 90404-2303 · Phone (310) 453-1324

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mariana Jesus Marquez Agacnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527414655
PECOS Enrollment IDI20231026001383
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

2

Medicare enrollment records show Mariana Marquez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Huntington Medical Foundation
Same address
Internal Medicine
100 W CALIFORNIA BLVD
Pasadena, CA 91105
  • Reassigned Medicare billing, California enrollment
  • 204 clinicians in this Medicare group
NPI 1154467181 (626) 397-8335
Providence Saint Johns Medical Foundation
20 mi
Specialist
2121 SANTA MONICA BLVD
Santa Monica, CA 90404
  • Reassigned Medicare billing, California enrollment
  • 461 clinicians in this Medicare group
NPI 1770093734 (310) 582-7312

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 91105 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 20

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

SARAH STEPHENS NP
Nurse Practitioner (Acute Care)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 397-8300
ROMELIA JALEH BATANG GARCIA RNFA
Registered Nurse (Registered Nurse First Assistant)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 397-5012
DR. RICHARD A. REED MEDICAL DOCTOR
Radiology (Diagnostic Radiology)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 397-5139
DR. HENRY LEVENSON M.D.
Pain Medicine (Pain Medicine)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 256-6010
PASADENA HOSPITAL ASSOCIATION, LTD.
Rehabilitation Unit
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 397-5555
ANIL K HANUMAN D,O.
Hospitalist
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 397-8300
DR. NICHOLAS WITHROW GRECO M.D.
Emergency Medicine
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 397-5112
DR. MINDY EVE TITTIGER M.D.
Internal Medicine
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 352-1444

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 Mariana Marquez's NPI number?

The NPI number for Mariana Marquez is 1669250338. It was assigned to this individual provider in the NPPES registry on September 15, 2023.

Where is Mariana Marquez located?

Mariana Marquez practices at 100 W California Blvd, Pasadena, CA 91105. The listed phone number is (626) 397-5000.

What is Mariana Marquez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Mariana Marquez enrolled in Medicare?

Yes. Mariana Marquez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mariana Marquez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariana Marquez reassigns Medicare benefits to 2 organizations: The Huntington Medical Foundation (Pasadena, CA) and Providence Saint Johns Medical Foundation (Santa Monica, 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 Mariana Marquez'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 Mariana Marquez was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.