William Detlev Rittmeyer, DO

Primary specialty

Interventional Pain Medicine PhysicianTaxonomy code 208VP0014X

License

036.158666 Issued in IL

Practice address

890 Garfield Ave Ste 103
Libertyville, IL 60048-3100

Phone

(847) 279-0061

Fax

(847) 279-0069

NPI assigned

Mar 27, 2018

Last updated

May 22, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IL

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

Anesthesiology

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Advocate Condell Medical Center Hospital, Libertyville, IL, CCN 140202
• Advocate Good Shepherd Hospital Hospital, Barrington, IL, CCN 140291
• Advocate Illinois Masonic Medical Center Hospital, Chicago, IL, CCN 140182

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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.

• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment Care Compare group NPD
• Northstar Anesthesia of Illinois, LLC

  • Anesthesiology Physician
  • Arlington, TX
  • NPI 1962822395

  IL

  Medicare reassignment NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Good Samaritan Hospital

  • General Acute Care Hospital
  • Downers Grove, IL
  • NPI 1578670543

  Interventional Pain Medicine

  NPD

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

• Advocate Condell Medical Center

  dba Advocate Condell Imaging Center

  • Mobile Mammography Clinic/Center
  • Gurnee, IL
  • NPI 1023262441

  Hospital

  Care Compare affiliation
• Advocate Condell Medical Center

  • General Acute Care Hospital
  • Libertyville, IL
  • NPI 1124272547
  Care Compare affiliation
• Advocate Condell Medical Center

  dba Advocate Condell Medical Center Grays Lake

  • Mobile Mammography Clinic/Center
  • Grayslake, IL
  • NPI 1770737199

  Hospital

  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate Good Shepherd Hospital

  • General Acute Care Hospital
  • Barrington, IL
  • NPI 1447368071
  Care Compare affiliation
• Advocate North Side Health Network

  dba Advocate Illinois Masonic Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1912014564
  Care Compare affiliation

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

{
    "created_epoch": "1522108800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747872000000",
    "number": "1770088189",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29373 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731293",
            "telephone_number": "847-390-5900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "890 GARFIELD AVE STE 103",
            "city": "LIBERTYVILLE",
            "state": "IL",
            "postal_code": "600483100",
            "telephone_number": "847-279-0061",
            "fax_number": "847-279-0069"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1750 W Harrison St Ste 720",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606123825",
            "country_code": "US",
            "telephone_number": "888-352-7874",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RITTMEYER",
        "first_name": "WILLIAM",
        "middle_name": "DETLEV",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-03-27",
        "last_updated": "2025-05-22",
        "certification_date": "2025-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "036.158666",
            "primary": false
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "IL",
            "license": "036.158666",
            "primary": false
        },
        {
            "code": "208VP0014X",
            "taxonomy_group": "",
            "desc": "Pain Medicine, Interventional Pain Medicine",
            "state": "IL",
            "license": "036.158666",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "writtmeyer375635@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "890 Garfield Ave Ste 103",
            "city": "Libertyville",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600483100",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "890 Garfield Ave Ste 103",
            "city": "Libertyville",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600483100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Right Now, LLC
• Jetzibie Rios
• Jessica Emelie Risker, LCPC
• Kyra Ritchie
• Miriam Ritter
• Lindabeth Rivera, LPC
• Kathryn Robb
• Alia Miriam Roberts, MD
• Jessica Diane Roberts, FNP-BC
• Monica Lee Roberts, L.C.P.C

• Interventional Pain Medicine Physician in Libertyville, IL
• Providers in Libertyville, IL by specialty
• Interventional Pain Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 22, 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.