DR. JOHN D. MESAROS MD
NPI 1669587580
Psychiatry & Neurology - Psychiatry in Berkeley, CA

Active since August 20, 2006PECOS EnrolledAccepts Medicare Assignment
2006 DWIGHT WAY, #101, BERKELEY, CA 94704(925) 448-2958 Get Directions Write a Review

NPPES record last updated: May 3, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 15, 2017, Jan 24, 2017, Sep 28, 2016 (3 updates tracked since 2016).

About Dr. John D. Mesaros Md NPPES

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

DR. JOHN D. MESAROS MD (NPI 1669587580) is an individual psychiatry provider in Berkeley, California, licensed in California (G131019) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Michigan State University College Of Human Medicine (1992).

NPPES Registry Identity

NPI1669587580
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. JOHN D. MESAROSCredential: MD
Location Address2006 DWIGHT WAY, #101Berkeley, CA 94704-2633
Mailing Address225 Coggins Dr, Apt 252Pleasant Hill, CA 94523-4402 · (925) 448-2958
Sole ProprietorYes
Medical School CMSMichigan State University College Of Human MedicineGraduated 1992
Enumeration DateAugust 20, 2006
Last NPPES UpdateMay 3, 20203 updates tracked since enumeration
NPPES CertifiedMay 3, 2020
NPI 1669587580 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 · G131019
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.
2006 DWIGHT WAY, Berkeley, CA 94704

Other Names 1

Other Name (5)Dr. John Daniel Mesaros Md

Accepted Insurance

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

Dr. John D. Mesaros 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 ID2769451012
PECOS Enrollment IDI20041001001089
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 94704 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 13

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

Psychiatry & Neurology (Psychiatry)
2006 DWIGHT WAY, SUITE 101
BERKELEY, CA 94704
Acupuncturist
2006 DWIGHT WAY, STE 204
BERKELEY, CA 94704
Acupuncturist
2006 DWIGHT WAY, SUITE #204
BERKELEY, CA 94704
Chiropractor
2006 DWIGHT WAY, 108
BERKELEY, CA 94704
Internal Medicine
2006 DWIGHT WAY, SUITE 107
BERKELEY, CA 94704
Marriage & Family Therapist
2006 DWIGHT WAY, SUITE 103
BERKELEY, CA 94704
Acupuncturist
2006 DWIGHT WAY, SUITE 204 205
BERKELEY, CA 94704
Marriage & Family Therapist
2006 DWIGHT WAY, #101
BERKELEY, CA 94704

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 John Mesaros's NPI number?

The NPI number for John Mesaros is 1669587580. It was assigned to this individual provider in the NPPES registry on August 20, 2006. The provider is also known as Dr. John Daniel Mesaros MD.

Where is John Mesaros located?

John Mesaros practices at 2006 Dwight Way #101, Berkeley, CA 94704. The listed phone number is (925) 448-2958.

What is John Mesaros's specialty?

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

Is John Mesaros enrolled in Medicare?

Yes. John Mesaros 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.

What insurance does John Mesaros accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Cross and Blue Shield of Kansas, Inc. and Priority Health list John Mesaros as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Mesaros was last updated on May 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.