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DR. RICHARD HAROLD MESCO D.O.
NPI 1083849475
Psychiatry & Neurology - Psychiatry in Glendale, CA

Active since May 28, 2009PECOS EnrolledAccepts Medicare Assignment
1560 E CHEVY CHASE DR STE 130, GLENDALE, CA 91206(818) 240-0340 Get Directions Write a Review

NPPES record last updated: February 28, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 28, 2025, Aug 5, 2024 (2 updates tracked since 2024).

About Dr. Richard Harold Mesco D.o. NPPES

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

DR. RICHARD HAROLD MESCO D.O. (NPI 1083849475) is an individual psychiatry provider in Glendale, California, licensed in California (20A5682) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS and is a graduate of Chicago College Of Osteopathy (1986).

NPPES Registry Identity

NPI1083849475
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. RICHARD HAROLD MESCOCredential: D.O.
Location Address1560 E CHEVY CHASE DR STE 130Glendale, CA 91206-4140
Mailing Address1560 E Chevy Chase Dr Ste 130Glendale, CA 91206-4140
Phone(818) 240-0340
Sole ProprietorYes
Medical School CMSChicago College Of OsteopathyGraduated 1986
Enumeration DateMay 28, 2009
Last NPPES UpdateFebruary 28, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 28, 2025
✔ NPI 1083849475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · 20A5682
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 ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License 20A5682 (CA)
1560 E CHEVY CHASE DR STE 130, Glendale, CA 91206
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Richard Harold Mesco D.o. 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 ID4587105168
PECOS Enrollment IDI20240923003005
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 Reassignment

Medicare enrollment records show Richard Mesco reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pacific Coast Psychiatric Associates Inc
365 mi
Clinical
7373 N SCOTTSDALE RD STE A199
Scottsdale, AZ 85253
  • Reassigned Medicare billing, California enrollment
  • 766 clinicians in this Medicare group
NPI 1023125465 (702) 805-5360

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 91206 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 20

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

JOHNNY LEE MITCHELL JR. LCSW
Social Worker (Clinical)
1560 E CHEVY CHASE DR STE 130
GLENDALE, CA 91206
Los Angeles County (818) 240-0340
KATHERINE ANNE MILANO LMFT
Marriage & Family Therapist
1560 E CHEVY CHASE DR STE 130
GLENDALE, CA 91206
Los Angeles County (818) 240-0340
NANCY BETH PIERSON LMFT
Marriage & Family Therapist
1560 E CHEVY CHASE DR STE 130
GLENDALE, CA 91206
Los Angeles County (818) 240-0340
RENEE D WILLIAMS LMFT
Marriage & Family Therapist
1560 E CHEVY CHASE DR STE 130
GLENDALE, CA 91206
Los Angeles County (818) 240-0340
INESSA ESSAIAN MD
Psychiatry & Neurology (Psychiatry)
1560 E CHEVY CHASE DR STE 130
GLENDALE, CA 91206
Los Angeles County (818) 240-0340
DR. MARYAM SMITH PSYD
Psychologist (Clinical)
1560 E CHEVY CHASE DR STE 130
GLENDALE, CA 91206
Los Angeles County (818) 240-0340
DR. JEDD P ALEJANDRO PHD, LP
Psychologist (Clinical)
1560 E CHEVY CHASE DR STE 130
GLENDALE, CA 91206
Los Angeles County (818) 240-0340
LILIA BUITRON SANDOVAL LMFT
Marriage & Family Therapist
1560 E CHEVY CHASE DR STE 130
GLENDALE, CA 91206
Los Angeles County (818) 240-0340

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 Richard Mesco's NPI number?

The NPI number for Richard Mesco is 1083849475. It was assigned to this individual provider in the NPPES registry on May 28, 2009.

Where is Richard Mesco located?

Richard Mesco practices at 1560 E Chevy Chase Dr Ste 130, Glendale, CA 91206. The listed phone number is (818) 240-0340.

What is Richard Mesco's specialty?

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

Is Richard Mesco enrolled in Medicare?

Yes. Richard Mesco 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.

Which organization bills Medicare for Richard Mesco's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Richard Mesco reassigns Medicare benefits to Pacific Coast Psychiatric Associates Inc (Scottsdale, AZ). The 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 Richard Mesco'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 Richard Mesco was last updated on February 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.