Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHARLOTTE ALEXANDRA MARX MD
NPI 1235889551
Psychiatry & Neurology - Psychiatry in Vancouver, WA

Q: What is Charlotte Marx's NPI number?

The NPI number for Charlotte Marx is 1235889551. It was assigned to this individual provider in the NPPES registry on March 28, 2022.

Q: What is Charlotte Marx's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Charlotte Marx was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.

Active since March 28, 2022PECOS EnrolledAccepts Medicare Assignment

2415 NE 134TH ST STE 301, VANCOUVER, WA 98686(360) 882-2778 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 4, 2026, Aug 21, 2024 (2 updates tracked since 2024).

On this page

About Charlotte Alexandra Marx Md NPPES

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

CHARLOTTE ALEXANDRA MARX MD (NPI 1235889551) is an individual psychiatry provider in Vancouver, Washington, licensed in Washington (MD70101126) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (2022).

NPPES Registry Identity

NPI1235889551

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameCHARLOTTE ALEXANDRA MARXCredential: MD

Location Address2415 NE 134TH ST STE 301Vancouver, WA 98686-3029

Mailing Address3181 Sw Sam Jackson Park RdPortland, OR 97239-3011 · (503) 494-8211

Phone(360) 882-2778

Sole ProprietorNo

Medical School CMSSaint Louis University School Of MedicineGraduated 2022

Enumeration DateMarch 28, 2022

Last NPPES UpdateAugust 4, 20262 updates tracked since enumeration

NPPES CertifiedAugust 4, 2026

✔ NPI 1235889551 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in WA · MD70101126✔ Licensed in OR · MD219815

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

2415 NE 134TH ST STE 301, Vancouver, WA 98686

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Charlotte Alexandra Marx Md 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 ID547644957

PECOS Enrollment IDI20241205002930

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 98686 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

$172.80 typical visit price

range $57.27 – $172.80

Typical copayment $43.20 (range $14.31 – $43.20)

Most-billed visit code 99205

Established Patient

$71.29 typical visit price

range $18.56 – $141.11

Typical copayment $17.82 (range $4.64 – $35.27)

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 10

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

STEPHANIE EDMONDS

Nurse Practitioner (Psychiatric/Mental Health)