Individual provider Active NPI

Leonard Michael Tyko II, DDS, MD

  • General Practice Physician
  • Santa Rosa, CA
National Provider Identifier
1770626921
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice PhysicianTaxonomy code 208D00000X
License
A71195 Issued in CA
Practice address
1174 Montgomery Dr
Santa Rosa, CA 95405-4818
Phone
(707) 545-4625
NPI assigned
Feb 15, 2007
Last updated
Sep 11, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Oral and Maxillofacial Surgery (Dentist) 1223S0112X OMS031 CA
General Practice Physician 208D00000X A71195 CA Primary

Addresses

Primary practice location

1174 Montgomery Dr
Santa Rosa, CA 95405-4818

Mailing address

1174 Montgomery Dr
Santa Rosa, CA 95405-4818
Phone (707) 545-4625

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.
Opted out of Medicare
Yes, effective Jan 1, 2013 through Jan 1, 2027

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
OMS031CAMDOral and Maxillofacial Surgery (Dentist)
31CAMDNurse Practitioner

NPI Registry JSON

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

{
    "created_epoch": "1171497600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1770626921",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1174 MONTGOMERY DR",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954054818",
            "telephone_number": "707-545-4625"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1174 MONTGOMERY DR",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954054818",
            "telephone_number": "707-545-4625"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TYKO",
        "first_name": "LEONARD",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "name_suffix": "II",
        "credential": "DDS, MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-02-15",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223S0112X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "CA",
            "license": "OMS031",
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "CA",
            "license": "A71195",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Santa Rosa, CA

Sources for this page

Verify at the official NPI Registry.