Individual provider Active NPI

Jonathan S Steer-Massaro, MD, MPH

  • Obstetrics & Gynecology Physician
  • Cleveland, OH
National Provider Identifier
1407121734
Registry record updated May 9, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
DR.0066143 Issued in CO
Practice address
9500 Euclid Ave
Cleveland, OH 44195-0001
Phone
(216) 372-1661
NPI assigned
Mar 20, 2012
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 9, 2022

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 265869 MA
Student in an Organized Health Care Education/Training Program 390200000X
Obstetrics & Gynecology Physician 207V00000X DR.0066143 CO Primary

Addresses

Primary practice location

9500 Euclid Ave
Cleveland, OH 44195-0001

Mailing address

9500 Euclid Ave
Cleveland, OH 44195-0001
Phone (216) 372-1661

Other practice location 1

850 Harrison Ave
Yacc 5
Boston, MA 02118-4001
Phone (617) 414-2000

Other practice location 2

200 Exempla Cir
Lafayette, CO 80026-3370
Phone (303) 689-4000

Other names 1

  • Jonathan S Steer Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH
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

Enrollment IDStateProvider typePAC IDDetails
I20220730000426 OH Practitioner - Obstetrics/Gynecology 6709018591 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Wooster Clinic LLCGroup PAC ID 6800708124, 290 clinicians
Cleveland ClinicGroup PAC ID 1850203555, 6,954 clinicians

Practice addresses (Care Compare)

721 E Milltown Rd
Wooster, OH 44691-1255
Phone (330) 287-4500

9500 Euclid Ave
Cleveland, OH 44195-0001
Phone (216) 444-2200

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
DR.0066143COMDObstetrics & Gynecology Physician
265869MAMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Wooster Clinic, LLC CurrentSince Feb 22, 2025 Accepting new patients
The Cleveland Clinic Foundation CurrentSince Jun 22, 2022 Accepting new patients
Cleveland Clinic Health System - East Region Past Accepting new patients

Locations

9500 Euclid Ave
Cleveland, OH 44195
Phone (216) 442-1270

26900 Cedar Rd
Cleveland, OH 44122
Phone (216) 839-3000

99 Northline Cir
Ste 201
Euclid, OH 44119
Phone (216) 692-7711

99 Northline Cir
Ste 211
Euclid, OH 44119
Phone (216) 444-5551

5001 Rockside Rd
Independence, OH 44131

6801 Brecksville Rd
Ste 20
Seven Hills, OH 44131
Phone (216) 445-3363

721 E Milltown Rd
Wooster, OH 44691
Phone (330) 287-4500

1740 Cleveland Rd
Wooster, OH 44691
Phone (330) 287-4500

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1332201600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1652054400000",
    "number": "1407121734",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9500 EUCLID AVE",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441950001",
            "telephone_number": "216-372-1661"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9500 EUCLID AVE",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441950001",
            "telephone_number": "216-372-1661"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "850 Harrison Ave",
            "address_2": "YACC 5",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021184001",
            "country_code": "US",
            "telephone_number": "617-414-2000",
            "fax_number": "617-414-5798",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 Exempla Cir",
            "address_purpose": "LOCATION",
            "city": "Lafayette",
            "state": "CO",
            "postal_code": "800263370",
            "country_code": "US",
            "telephone_number": "303-689-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STEER-MASSARO",
        "first_name": "JONATHAN",
        "middle_name": "S",
        "credential": "MD, MPH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-03-20",
        "last_updated": "2022-05-09",
        "certification_date": "2022-05-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MA",
            "license": "265869",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CO",
            "license": "DR.0066143",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JONATHAN",
            "last_name": "STEER",
            "middle_name": "S",
            "credential": "MD, MPH",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Cleveland, OH

Sources for this page

Verify at the official NPI Registry.