Kenneth Michael Felsenstein, PHD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

MD61688521 Issued in WA

Practice address

13001 E 17TH PL
Aurora, CO 80045-2570

Phone

(201) 274-6782

NPI assigned

Apr 13, 2021

Last updated

Nov 26, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in WA

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

Specialty

Emergency Medicine

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Olympia Emergency Care Physicians PLLCGroup PAC ID 2769862036, 31 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Capital Medical Center Hospital, Olympia, WA, CCN 500139

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kenneth.felsenstein@ucdenver.edu

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.

• Olympia Emergency Care Physicians PLLC

  • Emergency Medicine Physician
  • Olympia, WA
  • NPI 1396498671
  Medicare reassignment Care Compare group NPD
• Northwest Emergency Physicians LLC

  dba Nep

  • Emergency Medicine Physician
  • Arlington, WA
  • NPI 1235172370
  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Multicare Health System

  dba MultiCare Capital Medical Center

  • General Acute Care Hospital
  • Olympia, WA
  • NPI 1841258639
  Care Compare affiliation

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

{
    "created_epoch": "1618272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764115200000",
    "number": "1679153506",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8105 E 11TH AVE UNIT 4E",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802203376"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13001 E 17TH PL",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800452570",
            "telephone_number": "201-274-6782"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FELSENSTEIN",
        "first_name": "KENNETH",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-13",
        "last_updated": "2025-11-26",
        "certification_date": "2025-11-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WA",
            "license": "MD61688521",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Kenneth.Felsenstein@ucdenver.edu",
            "affiliation": "N",
            "endpointDescription": "Encrypted Email if subject line contains 'CONFIDENTIAL'",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "13001 E 17th Pl",
            "city": "Aurora",
            "state": "CO",
            "country_code": "US",
            "postal_code": "800452570",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jennifer Felker, MD
• William F. Fell, MD
• Lucia E Fellers, LIFE COACH - ACHE HC
• Sara Fellers, MA, LAC
• Johanna Fellman, OTR/L, NTMTC
• Yamila Felton
• Kimberly Feng, MD
• Laura Fennell Nelson
• Paul V Fennessey
• Blair Fennimore, MD

• Emergency Medicine Physician in Aurora, CO
• Providers in Aurora, CO by specialty
• Emergency Medicine Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 26, 2025; 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.