Individual provider Active NPI

Denis Grigorov, NP

  • Psychiatric/Mental Health Nurse Practitioner
  • Monrovia, CA
National Provider Identifier
1548968167
Registry record updated Jan 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
95026111 Issued in CA
Practice address
517 S Ivy Ave
Monrovia, CA 91016-2827
Phone
(323) 961-2545
Fax
(323) 927-1550
NPI assigned
Feb 22, 2023
Last updated
Jan 9, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 9, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 95026111 CA Primary

Addresses

Primary practice location

517 S Ivy Ave
Monrovia, CA 91016-2827

Mailing address

7015 Wilcox Ave
Bell, CA 90201-3814
Phone (469) 396-3369

Other practice location 1

5838 E Naples Plz
Long Beach, CA 90803-5039
Phone (877) 624-1427

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251031000800 CA Practitioner - Nurse Practitioner 2062901879 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

517 S Ivy Ave
Monrovia, CA 91016-2827
Phone (323) 961-2545

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
95026111CAMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
D&Y Integrated Psychiatry Psychiatric/Mental Health CurrentSince Jul 26, 2025 Accepting new patients
Neuro Wellness Spa, a Medical PC PastSince Mar 11, 2025 Accepting new patients
Los Angeles County Department of Mental Health PastSince Mar 5, 2023 Accepting new patients
Los Angeles County Department of Mental Health PastSince Feb 1, 2023 Accepting new patients

Locations

517 S Ivy Ave
Monrovia, CA 91016
Phone (323) 244-3355

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": "1677024000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767916800000",
    "number": "1548968167",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7015 WILCOX AVE",
            "city": "BELL",
            "state": "CA",
            "postal_code": "902013814",
            "telephone_number": "469-396-3369",
            "fax_number": "888-528-7464"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "517 S IVY AVE",
            "city": "MONROVIA",
            "state": "CA",
            "postal_code": "910162827",
            "telephone_number": "323-961-2545",
            "fax_number": "323-927-1550"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5838 E Naples Plz",
            "address_purpose": "LOCATION",
            "city": "Long Beach",
            "state": "CA",
            "postal_code": "908035039",
            "country_code": "US",
            "telephone_number": "877-624-1427",
            "fax_number": "323-927-1550",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRIGOROV",
        "first_name": "DENIS",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-02-22",
        "last_updated": "2026-01-09",
        "certification_date": "2026-01-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "CA",
            "license": "95026111",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Monrovia, CA

Sources for this page

Verify at the official NPI Registry.