John E Mayer, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

071-02554 Issued in IL

Practice address

55 E Washington St
38TH Floor
Chicago, IL 60602-2103

Phone

(312) 917-1240

Fax

(312) 917-1010

NPI assigned

Mar 8, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 1979

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: john.mayer.1@30520.direct.athenahealth.com

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.

• Doctor on Demand Professionals P C

  • Family Medicine Physician
  • San Francisco, CA
  • NPI 1174931448

  IL

  Medicare reassignment NPD
• Ctyr Publishing, Inc.

  • Clinical Psychologist
  • Chicago, IL
  • NPI 1609064757
  NPD (past) Authorized official

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

{
    "created_epoch": "1173312000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1790816841",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 E WASHINGTON ST",
            "address_2": "38TH FLOOR",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606022103",
            "telephone_number": "312-917-1240",
            "fax_number": "312-917-1010"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 E WASHINGTON ST",
            "address_2": "38TH FLOOR",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606022103",
            "telephone_number": "312-917-1240",
            "fax_number": "312-917-1010"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAYER",
        "first_name": "JOHN",
        "middle_name": "E",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-08",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "IL",
            "license": "071-02554",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christopher Mayer, LCSW
• David Mayer
• Eric C Mayer, LSW
• Jamie Mayer, RN-BSN
• Jennifer Elizabeth Mayer, RN, APN
• Laura Mayer
• Lea Mayer, NP
• Lucretia M Mayer, LPC
• Megan Mayer, MOT
• Megan Mayer

• Clinical Psychologist in Chicago, IL
• Providers in Chicago, IL by specialty
• Clinical Psychologist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2007; 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.