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ADRIENNE MEREDITH OPET MSCCCSLP
NPI 1639226822
Speech-Language Pathologist in Vallejo, CA

Active since January 03, 2007Accepts Medicare Assignment
975 SERENO DR, VALLEJO, CA 94589(707) 651-1320 Get Directions Write a Review

NPPES record last updated: December 30, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Adrienne Meredith Opet Mscccslp NPPES

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

ADRIENNE MEREDITH OPET MSCCCSLP (NPI 1639226822) is an individual speech-language pathologist provider in Vallejo, California, licensed in California (14151) and active in the NPI registry since January 2007. She is a graduate of Other (2003).

NPPES Registry Identity

NPI1639226822
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameADRIENNE MEREDITH OPETCredential: MSCCCSLP
Location Address975 SERENO DRVallejo, CA 94589-2441
Mailing Address975 Sereno DrVallejo, CA 94589-2441
Phone(707) 651-1320
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJanuary 3, 2007
Last NPPES UpdateDecember 30, 2021
✔ NPI 1639226822 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in CA · 14151
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
975 SERENO DR, Vallejo, CA 94589
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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

Adrienne Meredith Opet Mscccslp 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 ID7214165448
PECOS Enrollment IDI20140116000418

Medicare Billing Reassignment

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

Permanente Medical Group Inc
0.1 mi
Internal Medicine
975 SERENO DRIVE
Vallejo, CA 94589
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1336222397 (707) 651-1000

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

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.

DR. ROBERTA YIWUN WANG M.D.
Physical Medicine & Rehabilitation
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-5128
RIHONG ZHOU
Pharmacist
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-2072
EVAN HIRSCHBEIN
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 339-2074
MS. JEAN BROADNAX LCSW
Social Worker (Clinical)
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-4423
SEAN NISAM
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-4071
LI M. TSANG MD
Anesthesiology
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-1000
DONN R. ERICKSON MD
Family Medicine
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-1000
JOHN S. WOOD MD
Surgery
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-1000

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 Adrienne Opet's NPI number?

The NPI number for Adrienne Opet is 1639226822. It was assigned to this individual provider in the NPPES registry on January 3, 2007.

Where is Adrienne Opet located?

Adrienne Opet practices at 975 Sereno Dr, Vallejo, CA 94589. The listed phone number is (707) 651-1320.

What is Adrienne Opet's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Adrienne Opet enrolled in Medicare?

Yes. Adrienne Opet 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 organization bills Medicare for Adrienne Opet's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adrienne Opet reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, 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 Adrienne Opet'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 Adrienne Opet was last updated on December 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.