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DR. CASSIE ANNE WICKEN MD, MHS
NPI 1336880434
Psychiatry & Neurology - Psychiatry in San Francisco, CA

Active since April 05, 2022PECOS Enrolled
675 18TH ST, SAN FRANCISCO, CA 94143(415) 476-7000 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 17, 2026, Apr 5, 2022 (2 updates tracked since 2022).

About Dr. Cassie Anne Wicken Md, Mhs NPPES

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

DR. CASSIE ANNE WICKEN MD, MHS (NPI 1336880434) is an individual psychiatry provider in San Francisco, California, licensed in California (A210667) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Birmingham, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1336880434
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. CASSIE ANNE WICKENCredential: MD, MHS
Location Address675 18TH STSan Francisco, CA 94143-4200
Mailing Address1209 N Charles St Apt 109Baltimore, MD 21201-5657 · (707) 338-3779
Phone(415) 476-7000
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 5, 2022
Last NPPES UpdateJuly 17, 20262 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
✔ NPI 1336880434 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 · A210667
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.
675 18TH ST, San Francisco, CA 94143
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Secondary Practice Location 1

Location 1625 19th St SBirmingham, AL 35233-1900 · Phone (205) 996-6170

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Cassie Anne Wicken Md, Mhs is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931665650
PECOS Enrollment IDI20260731004318
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 Cassie Wicken reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco
2.3 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
2.3 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

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 94143 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

CAROLINE CHIU
Student in an Organized Health Care Education/Training Program
675 18TH ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-7000
TIFFANY ROXANA GHADIMI MD
Psychiatry & Neurology (Psychiatry)
675 18TH ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-7527
DR. TAE UN KIM DO
Psychiatry & Neurology (Psychiatry)
675 18TH ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-7000
MR. DAMON JOHNSON LCSW
Social Worker
675 18TH ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-7000
ELIZABETH CADY SMITH MD
Psychiatry & Neurology (Psychiatry)
675 18TH ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-7527
SARAH DOLAN
Student in an Organized Health Care Education/Training Program
675 18TH ST
SAN FRANCISCO, CA 94143
San Francisco County (628) 588-6399
ERIN ELIZABETH REILLY PHD
Psychologist (Clinical Child & Adolescent)
675 18TH ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-6869
RACHEL N. NIEZRECKI MD
Psychiatry & Neurology (Psychiatry)
675 18TH ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-7000

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 Cassie Wicken's NPI number?

The NPI number for Cassie Wicken is 1336880434. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is Cassie Wicken located?

Cassie Wicken practices at 675 18th St, San Francisco, CA 94143. The listed phone number is (415) 476-7000.

What is Cassie Wicken's specialty?

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

Is Cassie Wicken enrolled in Medicare?

Yes. Cassie Wicken is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Cassie Wicken's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Wicken reassigns Medicare benefits to 2 organizations: University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Cassie Wicken'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 Cassie Wicken was last updated on July 17, 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.