Douglas Howard Cowan, MD

Primary specialty

Otolaryngology PhysicianTaxonomy code 207Y00000X

License

04-35738 Issued in KS

Practice address

4801 College Blvd FL 2
Leawood, KS 66211-1628

Phone

(913) 721-3387

Fax

(816) 875-2597

NPI assigned

Apr 10, 2007

Last updated

Nov 7, 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 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MO, KS2 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

Otolaryngology

Education

University of Kansas School of Med (KC/Wich/Sal), 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ascentist Physicians Group LLCGroup PAC ID 9335143759, 111 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ascentist Hospital LLC Hospital, Leawood, KS, CCN 170194
• University of Kansas Hospital Hospital, Kansas City, KS, CCN 170040
• University of Kansas Health System Olathe Hospital Hospital, Olathe, KS, CCN 170049
• Centerpoint Medical Center Hospital, Independence, MO, CCN 260095

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dcowanmd@doctorshospital.securechart.com
• Direct secure messaging: douglas.cowan.1@12752.direct.athenahealth.com

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

• Doctors Hospital, LLC

  dba Ascentist Hospital

  • General Acute Care Hospital
  • Leawood, KS
  • NPI 1871698472

  5% Or Greater Indirect Ownership Interest, Corporate Officer, Operational/Managerial Control

  CMS ownership

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.

• Ascentist Physicians Group, LLC

  dba Ascentist Healthcare

  • Otolaryngology Physician
  • Lee's Summit, MO
  • NPI 1649206319

  KS

  Medicare reassignment Care Compare group NPD
• Cass Regional Medical Center

  • Critical Access Hospital
  • Harrisonville, MO
  • NPI 1477535326
  Medicare reassignment NPD
• Meritas Health Corporation

  dba NKC Health

  • Family Medicine Physician
  • Kansas City, MO
  • NPI 1801875091
  Medicare reassignment NPD
• Western Missouri Medical Center

  dba Surgical Services of Warrensburg

  • Surgery Physician
  • Warrensburg, MO
  • NPI 1386832277
  Medicare reassignment NPD
• Cass Regional Medical Center

  dba Pleasant Hill Medical Center

  • Rural Health Clinic/Center
  • Pleasant Hill, MO
  • NPI 1538159058
  NPD
• Meritas Health Corporation

  • Neurology Physician
  • Kansas City, MO
  • NPI 1669323291
  NPD
• Meritas Health Corporation

  dba NKC Health

  • Otolaryngology Physician
  • Kansas City, MO
  • NPI 1932341419
  NPD
• Ascentist ASC Merriam, LLC

  dba Ascentist Ear, Nose and Throat Institute

  • Ambulatory Surgical Clinic/Center
  • Merriam, KS
  • NPI 1255896676
  NPD (past)

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

• Doctors Hospital, LLC

  dba Ascentist Hospital

  • General Acute Care Hospital
  • Leawood, KS
  • NPI 1871698472
  Care Compare affiliation
• Olathe Medical Center Inc

  • General Acute Care Hospital
  • Olathe, KS
  • NPI 1144266115
  Care Compare affiliation
• University of Kansas Hospital Authority

  dba University of Kansas Hospital / University of Kansas Cancer Center

  • General Acute Care Hospital
  • Kansas City, KS
  • NPI 1629369681
  Care Compare affiliation
• University of Kansas Hospital Authority

  dba The University of Kansas Hospital

  • General Acute Care Hospital
  • Kansas City, KS
  • NPI 1649259656
  Care Compare affiliation
• Centerpoint Medical Center of Independence, LLC

  dba Centerpoint Medical Center

  • General Acute Care Hospital
  • Independence, MO
  • NPI 1942247044
  Care Compare affiliation

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

{
    "created_epoch": "1176163200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762473600000",
    "number": "1497978548",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5101 COLLEGE BLVD",
            "city": "LEAWOOD",
            "state": "KS",
            "postal_code": "662111614",
            "telephone_number": "913-721-3387",
            "fax_number": "816-875-2597"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4801 COLLEGE BLVD FL 2",
            "city": "LEAWOOD",
            "state": "KS",
            "postal_code": "662111628",
            "telephone_number": "913-721-3387",
            "fax_number": "816-875-2597"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COWAN",
        "first_name": "DOUGLAS",
        "middle_name": "HOWARD",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-10",
        "last_updated": "2025-11-07",
        "certification_date": "2025-11-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "MO",
            "license": "2012008845",
            "primary": false
        },
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "KS",
            "license": "04-35738",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "douglas.cowan.1@12752.direct.athenahealth.com",
            "affiliation": "N",
            "endpointDescription": "EHR Direct Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "4801 College Blvd Fl 2",
            "city": "Leawood",
            "state": "KS",
            "country_code": "US",
            "postal_code": "662111628",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jordyn Cornell
• Juan Carlos Correa, MD
• Cosentino Group Inc (Price Chopper Pharmacy)
• Suzan K Coulter, LCMFT
• Jean M Covillo, DNAP, CRNA
• Erin P. Cox, APRN
• Michelle Coyne, PT
• Katherine Crabtree, LPC
• Nina Crabtree
• Aaron M Craig, D.D.S.

• Otolaryngology Physician in Leawood, KS
• Providers in Leawood, KS by specialty
• Otolaryngology Physician in Kansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 7, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; 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.