David Damian Masolak, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

MD221951 Issued in OR

Practice address

5228 NE Hoyt St
Portland, OR 97213-3055

Phone

(503) 215-4860

NPI assigned

Jun 8, 2020

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in KS, OR2 enrollments

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 2

Specialty

Psychiatry

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Vigilias LLCGroup PAC ID 9133433279, 49 clinicians

Providence Health and Services OregonGroup PAC ID 0648183608, 1,423 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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

• Vigilias LLC

  • Internal Medicine Physician
  • Wichita, KS
  • NPI 1407242241

  OR

  Medicare reassignment Care Compare group NPD
• Providence Health & Services Oregon

  • General Practice Physician
  • Lake Oswego, OR
  • NPI 1023488343
  Medicare reassignment Care Compare group
• Forensic Neuroscience Consultants LLC

  • Psychiatry Physician
  • Portland, OR
  • NPI 1477446771
  NPD Authorized official

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

{
    "created_epoch": "1591574400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779926400000",
    "number": "1205451085",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5228 NE HOYT ST",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972133055"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5228 NE HOYT ST",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972133055",
            "telephone_number": "503-215-4860"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASOLAK",
        "first_name": "DAVID",
        "middle_name": "DAMIAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-06-08",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "KS",
            "license": "94-10378",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "OR",
            "license": "MD221951",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sandeep Hasmukh Mashru, MD
• Nyssa Raighne Masi
• Melissa Masini, LPC, LMFT
• Michael Aaron Masini, PHARM.D.
• Ashley J Masog, RN
• Mason Moore Wellness LLC
• Marlee Mason-Maready, MD
• Alexis Dabbs Mason, CRNA
• Amanda Mason, SLP-CFY
• Amelia Mason, RN

• Psychiatry Physician in Portland, OR
• Providers in Portland, OR by specialty
• Psychiatry Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.