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GRETCHEN ADAMS REGISTERED NURSE
NPI 1689026692
Nurse Practitioner - Psychiatric/Mental Health in Pomona, CA

Active since July 01, 2016PECOS Enrolled
831 E ARROW HWY, POMONA, CA 91767(909) 398-4383 Get Directions Write a Review

NPPES record last updated: September 17, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 17, 2025, Oct 22, 2020, Jul 26, 2019 and 1 more (4 updates tracked since 2016).

About Gretchen Adams Registered Nurse NPPES

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

GRETCHEN ADAMS REGISTERED NURSE (NPI 1689026692) is an individual psychiatric/mental health provider in Pomona, California, licensed in California (95015750) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689026692
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameGRETCHEN ADAMSCredential: REGISTERED NURSE
Location Address831 E ARROW HWYPomona, CA 91767-2535
Mailing Address11027 Burbank BlvdNorth Hollywood, CA 91601-2431 · (818) 985-8323 · Fax (818) 985-8323
Phone(909) 398-4383
Sole ProprietorYes
Enumeration DateJuly 1, 2016
Last NPPES UpdateSeptember 17, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2025
✔ NPI 1689026692 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95015750
Also ListedRegistered Nurse · Addiction (Substance Use Disorder)Taxonomy 163WA0400X · License 95063337 (CA)
831 E ARROW HWY, Pomona, CA 91767
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gretchen Adams Registered Nurse 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 91767 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.

LIZBETH DIAZ ACSW
Social Worker
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 624-1233
PROTOTYPES CENTERS FOR INNOVATION IN HEALTH, MENTAL HEALTH AND SOCIAL
Community/Behavioral Health
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 398-4383
ASILI MAISHA WILBOURN LVN
Licensed Vocational Nurse
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 398-4383
MAYTE MURILLO
Case Manager/Care Coordinator
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 398-4383
KELLI HUMPHREYS
Day Training/Habilitation Specialist
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 398-4383
BRITTNEY LEE LCSW
Social Worker (Clinical)
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 398-4383
ELVIA VILLALOBOS RADT
Counselor (Addiction (Substance Use Disorder))
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 624-1233
JAIMIE BJUR
Student in an Organized Health Care Education/Training Program
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 398-4383

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 Gretchen Adams's NPI number?

The NPI number for Gretchen Adams is 1689026692. It was assigned to this individual provider in the NPPES registry on July 1, 2016.

Where is Gretchen Adams located?

Gretchen Adams practices at 831 E Arrow Hwy, Pomona, CA 91767. The listed phone number is (909) 398-4383.

What is Gretchen Adams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Gretchen Adams enrolled in Medicare?

Yes. Gretchen Adams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gretchen Adams was last updated on September 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.