DARROW JAY THOM M.D. - NPI 1891847059 - Psychiatry & Neurology in Calabasas, CA

Q: What is Darrow Thom's NPI number?

The NPI number for Darrow Thom is 1891847059. It was assigned to this individual provider in the NPPES registry on January 17, 2007.

Q: What is Darrow Thom's specialty?

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

Q: Is Darrow Thom enrolled in Medicare?

No. Darrow Thom has opted out of Medicare through December 29, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Darrow Thom was last updated on December 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

On this page

About Darrow Jay Thom M.d. NPPES

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

DARROW JAY THOM M.D. (NPI 1891847059) is an individual psychiatry provider in Calabasas, California, licensed in California (G49313) and active in the NPI registry since January 2007. He has opted out of Medicare through December 29, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1891847059

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDARROW JAY THOMCredential: M.D.

Location Address4500 PARK GRANADA STE 202Calabasas, CA 91302-1666

Mailing Address4500 Park Granada Ste 202Calabasas, CA 91302-1666 · (805) 505-1492 · Fax (855) 280-1616

Phone(805) 505-1492

Fax(855) 280-1616

Sole ProprietorNo

Enumeration DateJanuary 17, 2007

Last NPPES UpdateDecember 23, 20253 updates tracked since enumeration

NPPES CertifiedDecember 23, 2025

✔ NPI 1891847059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in CA · G49313✔ Licensed in WA · MD00026354

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.

4500 PARK GRANADA STE 202, Calabasas, CA 91302

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Darrow Jay Thom M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from December 29, 2025 through December 29, 2027.

Opt-Out Effective DateDecember 29, 2025

Opt-Out In Effect ThroughDecember 29, 2027Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91302 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

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

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 7

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

MILE HIGH PSYCHIATRY LLC

Nurse Practitioner (Psychiatric/Mental Health)