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DR. JOAN BARBARA GERBASI M.D.
NPI 1912108473
Psychiatry & Neurology - Forensic Psychiatry in Davis, CA

Active since May 30, 2007PECOS Enrolled
423 E ST, DAVIS, CA 95616(530) 753-4636(530) 753-4655 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Joan Barbara Gerbasi M.d. NPPES

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

DR. JOAN BARBARA GERBASI M.D. (NPI 1912108473) is an individual forensic psychiatry provider in Davis, California, licensed in California (A64664) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of University Of California, San Francisco School Of Medicine (1996).

NPPES Registry Identity

NPI1912108473
Entity TypeIndividualFemale
Primary Taxonomy2084F0202X
Provider Legal NameDR. JOAN BARBARA GERBASICredential: M.D.
Location Address423 E STDavis, CA 95616-4132
Mailing Address423 E StDavis, CA 95616-4132 · (530) 753-4636 · Fax (530) 753-4655
Phone(530) 753-4636
Fax(530) 753-4655
Sole ProprietorYes
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1996
Enumeration DateMay 30, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1912108473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Forensic PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084F0202X
License✔ Licensed in CA · A64664
Definition
Forensic Psychiatry is a subspecialty with psychiatric focus on interrelationships with civil, criminal and administrative law, evaluation and specialized treatment of individuals involved with the legal system, incarcerated in jails, prisons, and forensic psychiatry hospitals.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License A64664 (CA)

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Joan Barbara Gerbasi M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7214828813
PECOS Enrollment IDI20220816001431
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
46 services40 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Montefiore Medical Center

Acute Care Hospitals · Bronx, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330059
Location111 East 210th StreetBronx, NY 10467 · Bronx County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 2

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

DR. MARIAN ZINGARO D.C.
Chiropractor
423 E ST
DAVIS, CA 95616
Yolo County (530) 220-3346
SAMANTHA BUONARATI
Dietitian, Registered
423 E ST
DAVIS, CA 95616
Yolo County (949) 939-5409

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 Joan Gerbasi's NPI number?

The NPI number for Joan Gerbasi is 1912108473. It was assigned to this individual provider in the NPPES registry on May 30, 2007.

Where is Joan Gerbasi located?

Joan Gerbasi practices at 423 E St, Davis, CA 95616. The listed phone number is (530) 753-4636.

What is Joan Gerbasi's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Forensic Psychiatry, with taxonomy code 2084F0202X.

Is Joan Gerbasi enrolled in Medicare?

Yes. Joan Gerbasi is registered in the Medicare PECOS enrollment system.

Is Joan Gerbasi affiliated with any hospitals?

According to CMS data, Joan Gerbasi is affiliated with Montefiore Medical Center.

When was this NPI record last updated?

The NPPES record for Joan Gerbasi was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.