Nathan John Alder, MD

Primary specialty

Urology PhysicianTaxonomy code 208800000X

License

36058 Issued in OK

Practice address

4140 W Memorial Rd Ste 500
Oklahoma City, OK 73120-8300

Phone

(405) 749-4230

Fax

(405) 749-4228

NPI assigned

May 31, 2020

Last updated

Sep 10, 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

Medicare fee-for-service enrollment

Enrolled in OK

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

Urology

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mercy Clinic Oklahoma CommunitiesGroup PAC ID 1153468921, 645 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Hospital Oklahoma City, Inc Hospital, Oklahoma City, OK, CCN 370013
• Mercy Hospital Ardmore, Inc Hospital, Ardmore, OK, CCN 370047
• Mercy Hospital Ada Hospital, Ada, OK, CCN 370020
• Mercy Hospital Logan County Hospital, Guthrie, OK, CCN 371317

Procedures performed for Medicare patients

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Mercy Clinic Oklahoma Communities

  • Family Medicine Physician
  • Oklahoma City, OK
  • NPI 1386874550
  Medicare reassignment Care Compare group NPD
• Mercy Hospital Oklahoma City, Inc

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1184721722
  NPD (past)
• Mercy Hospital Oklahoma City, Inc

  • Diagnostic Radiology Physician
  • Yukon, OK
  • NPI 1730326406
  NPD (past)

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

• Mercy Hospital Ada, Inc

  • Ambulance
  • Ada, OK
  • NPI 1831533728

  Hospital

  Care Compare affiliation
• Mercy Hospital Ada, Inc

  dba Mercy Hospital Ada

  • General Acute Care Hospital
  • Ada, OK
  • NPI 1952643306
  Care Compare affiliation
• Mercy Hospital Ardmore, Inc.

  • General Acute Care Hospital
  • Ardmore, OK
  • NPI 1386741635
  Care Compare affiliation
• Mercy Hospital Logan County Inc

  • Critical Access Hospital
  • Guthrie, OK
  • NPI 1306126818
  Care Compare affiliation
• Mercy Hospital Oklahoma City, Inc

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1184721722
  Care Compare affiliation

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

{
    "created_epoch": "1590883200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1902420508",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4140 W MEMORIAL RD STE 500",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731208300",
            "telephone_number": "405-749-4230",
            "fax_number": "405-749-4228"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4140 W MEMORIAL RD STE 500",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731208300",
            "telephone_number": "405-749-4230",
            "fax_number": "405-749-4228"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALDER",
        "first_name": "NATHAN",
        "middle_name": "JOHN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-05-31",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "OK",
            "license": "36058",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jazmine Raeann Alcala, RBT-20-148585
• Alfonso Alcancia, LCSW CANDIDATE
• Alcohol Training & Education
• David Anthony Aldaz, DDS
• Alden Clinic Evaluation Services PLLC
• Natalie Aldieri
• Aldo a Battiste MD PLLC
• Julia Neel Aldred, LPC, LMFT, AAPC
• Ty Aldridge
• Anthony Alejo

• Urology Physician in Oklahoma City, OK
• Providers in Oklahoma City, OK by specialty
• Urology Physician in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.