1. Home
  2. Directory
  3. California
  4. Monterey
  5. Psychiatry Neurology
  6. NPI Profile

OLIVIA DAHL
NPI 1881278059
Psychiatry & Neurology - Psychiatry in Monterey, CA

Active since May 12, 2021PECOS EnrolledAccepts Medicare Assignment
23625 HOLMAN HWY, MONTEREY, CA 93940(831) 624-5311 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2026, Dec 23, 2025, Dec 17, 2025 and 1 more (4 updates tracked since 2021).

About Olivia Dahl NPPES

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

OLIVIA DAHL (NPI 1881278059) is an individual psychiatry provider in Monterey, California, licensed in California (A202475) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (2021).

NPPES Registry Identity

NPI1881278059
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameOLIVIA DAHL
Location Address23625 HOLMAN HWYMonterey, CA 93940-5902
Mailing Address23625 Holman HwyMonterey, CA 93940-5902 · (831) 624-5311
Phone(831) 624-5311
Sole ProprietorNo
Medical School CMSRutgers R W Johnson Medical School (cam/new Bruns/pisc)Graduated 2021
Enumeration DateMay 12, 2021
Last NPPES UpdateJuly 21, 20264 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
✔ NPI 1881278059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A202475
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
23625 HOLMAN HWY, Monterey, CA 93940
Open in Google Maps ↗

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

Olivia Dahl 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 ID8224535596
PECOS Enrollment IDI20260804003999
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 Reassignment

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

Community Hospital Of The Monterey Peninsula
Same address
General Acute Care Hospital
23625 HOLMAN HWY
Monterey, CA 93940
  • Reassigned Medicare billing, California enrollment
  • 245 clinicians in this Medicare group
NPI 1225285810 (831) 624-5311

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 93940 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
$184.30 typical visit price
range $61.69 – $184.30
Typical copayment $46.07 (range $15.42 – $46.07)
Most-billed visit code 99205
Established Patient
$76.53 typical visit price
range $20.34 – $151.02
Typical copayment $19.13 (range $5.08 – $37.75)
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 20

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

ARNO H. HANEL, MD A MEDICAL CORPORATION
Anesthesiology
23625 HOLMAN HWY
MONTEREY, CA 93940
Monterey County (831) 624-5311
DR. CASEY ANDREW GROVER MD
Emergency Medicine
23625 HOLMAN HWY, CHOMP EMERGENCY SERVICES
MONTEREY, CA 93940
Monterey County (831) 624-5311
VY NGUYEN PHARM.D.
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
23625 HOLMAN HWY
MONTEREY, CA 93940
Monterey County (831) 624-5311
BARBARA ANN QUINN M.S., R.D., C.D.E.
Dietitian, Registered
23625 HOLMAN HWY
MONTEREY, CA 93940
Monterey County (831) 624-5311
NICHOLAS STRAUB PHARMD
Pharmacist
23625 HOLMAN HWY
MONTEREY, CA 93940
Monterey County (831) 624-5311
REB JULIA HAAS CLOSE M.D.
Emergency Medicine
23625 HOLMAN HWY
MONTEREY, CA 93940
Monterey County (831) 624-5311
MONTEREY HOSPITALIST MEDICAL GROUP
Internal Medicine
23625 HOLMAN HWY
MONTEREY, CA 93940
Monterey County (831) 622-2708
AFSHIN ZEIGHAMI DO
Anesthesiology
23625 HOLMAN HWY
MONTEREY, CA 93940
Monterey County (831) 624-5311

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 Olivia Dahl's NPI number?

The NPI number for Olivia Dahl is 1881278059. It was assigned to this individual provider in the NPPES registry on May 12, 2021.

Where is Olivia Dahl located?

Olivia Dahl practices at 23625 Holman Hwy, Monterey, CA 93940. The listed phone number is (831) 624-5311.

What is Olivia Dahl's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Olivia Dahl enrolled in Medicare?

Yes. Olivia Dahl 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 Olivia Dahl's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Dahl reassigns Medicare benefits to Community Hospital Of The Monterey Peninsula (Monterey, 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 Olivia Dahl'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 Olivia Dahl was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.