Individual provider Active NPI

Robert Michael Trimmer, M.D.

  • Psychiatry Physician
  • Sacramento, CA
National Provider Identifier
1003925736
Registry record updated May 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
A83471 Issued in CA
Practice address
2180 Harvard St Ste 210
Sacramento, CA 95815-3318
Phone
(855) 501-1004
NPI assigned
Aug 29, 2006
Last updated
May 5, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 5, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X A83471 CA Primary

Addresses

Primary practice location

2180 Harvard St Ste 210
Sacramento, CA 95815-3318

Mailing address

3835 N Freeway Blvd Ste 100
Sacramento, CA 95834-1954
Phone (855) 501-1004

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040301000135 CA Practitioner - Psychiatry 9537056171 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Loma Linda University School of Medicine, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

2180 Harvard St
Suite 210
Sacramento, CA 95815-3318
Phone (855) 501-1004

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A83471CAMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mark David Levine, MD Roseville PC Psychiatry CurrentSince Apr 16, 2021 Accepting new patients
Mark David Levine M.D. Professional Corporation Psychiatry Current Accepting new patients
Mark David Levine, MD Burlingame PC Psychiatry CurrentSince Apr 16, 2021 Accepting new patients
Mark David Levine, MD, Psychiatry Associates, P.C. Psychiatry Past Accepting new patients

Locations

1590 Drew Ave
Ste 200
Davis, CA 95618
Phone (530) 297-7500

5100 N 6th St
Ste 135
Fresno, CA 93710
Phone (559) 490-2067

3501 Coffee Rd
Ste 7
Modesto, CA 95355
Phone (209) 676-3069

1420 Rocky Ridge Dr
Ste 120
Roseville, CA 95661
Phone (916) 659-8225

3835 N Freeway Blvd
Ste 100
Sacramento, CA 95834
Phone (916) 576-7898

2180 Harvard St
Ste 210
Sacramento, CA 95815
Phone (916) 567-3500

2081 Arena Blvd
Ste 160
Sacramento, CA 95834
Phone (916) 285-8971

999 Baker Way
Ste 420
San Mateo, CA 94404
Phone (650) 571-9652

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1156809600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1003925736",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3835 N FREEWAY BLVD STE 100",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958341954",
            "telephone_number": "855-501-1004"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2180 HARVARD ST STE 210",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958153318",
            "telephone_number": "855-501-1004"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TRIMMER",
        "first_name": "ROBERT",
        "middle_name": "MICHAEL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-29",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "A83471",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sacramento, CA

Sources for this page

Verify at the official NPI Registry.