Active NPI
Great Lakes Care Inc
- Internal Medicine Physician
- Beachwood, OH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 35093209
- Legal business name
- GREAT LAKES CARE INC
- Practice address
- 23333 Harvard Rd
Beachwood, OH 44122-6232 - Phone
- (440) 566-0170
- Fax
- (440) 585-0249
- NPI assigned
- Aug 31, 2015
- Last updated
- Nov 10, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Ionel Zamfir Donca, M.D.
- Title
- Pesident
- Phone
- (440) 708-4238
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 35093209 | OH | Primary |
Addresses
Primary practice location
23333 Harvard Rd
Beachwood, OH 44122-6232
Mailing address
PO Box 660
Mentor, OH 44061-0660
Phone (440) 516-3776
Other practice location 1
7148 West Blvd
Youngstown, OH 44512-4336
Phone (440) 566-0170
Other practice location 2
1985 E Pershing St
Salem, OH 44460-3411
Phone (330) 332-1588
Other practice location 3
1835 Belmore Rd
Cleveland, OH 44112-4301
Phone (216) 268-3600
Other practice location 4
6505 Market St Bldg D
Boardman, OH 44512-3459
Phone (330) 884-2300
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OH
Enrollment records 1
National Provider Directory
National Provider DirectoryLocations
4199 Millpond Dr
Highland Hills, OH 44122
Phone (216) 206-8853
222 E Beech St
Jefferson, OH 44047
Phone (440) 576-0060
29640 Euclid Ave
Wickliffe, OH 44092
Phone (440) 463-9596
Practitioners & affiliated clinicians
Practitioners 7
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Internal Medicine Physician
- Beachwood, OH
- NPI 1841433265
-
- Gerontology Nurse Practitioner
- Beachwood, OH
- NPI 1457124265
-
- Nurse Practitioner
- Beachwood, OH
- NPI 1609319037
-
- Family Nurse Practitioner
- Chagrin Falls, OH
- NPI 1710551098
-
- Nurse Practitioner
- Maple Heights, OH
- NPI 1336655984
-
- Podiatrist
- Chesterland, OH
- NPI 1487672622
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1440979200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1762732800000",
"number": "1184091712",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 660",
"city": "MENTOR",
"state": "OH",
"postal_code": "440610660",
"telephone_number": "440-516-3776",
"fax_number": "440-516-3783"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "23333 HARVARD RD",
"city": "BEACHWOOD",
"state": "OH",
"postal_code": "441226232",
"telephone_number": "440-566-0170",
"fax_number": "440-585-0249"
}
],
"practiceLocations": [
{
"address_1": "7148 West Blvd",
"address_purpose": "LOCATION",
"city": "Youngstown",
"state": "OH",
"postal_code": "445124336",
"country_code": "US",
"telephone_number": "440-566-0170",
"fax_number": "440-585-4041",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1985 E Pershing St",
"address_purpose": "LOCATION",
"city": "Salem",
"state": "OH",
"postal_code": "444603411",
"country_code": "US",
"telephone_number": "330-332-1588",
"fax_number": "440-585-4041",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1835 Belmore Rd",
"address_purpose": "LOCATION",
"city": "CLEVELAND",
"state": "OH",
"postal_code": "441124301",
"country_code": "US",
"telephone_number": "216-268-3600",
"fax_number": "440-585-4041",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "6505 Market St Bldg D",
"address_purpose": "LOCATION",
"city": "Boardman",
"state": "OH",
"postal_code": "445123459",
"country_code": "US",
"telephone_number": "330-884-2300",
"fax_number": "440-585-4041",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "GREAT LAKES CARE INC",
"organizational_subpart": "NO",
"enumeration_date": "2015-08-31",
"last_updated": "2025-11-10",
"certification_date": "2025-11-10",
"status": "A",
"authorized_official_last_name": "DONCA",
"authorized_official_first_name": "IONEL",
"authorized_official_middle_name": "ZAMFIR",
"authorized_official_title_or_position": "PESIDENT",
"authorized_official_telephone_number": "440-708-4238",
"authorized_official_credential": "M.D."
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Internal Medicine",
"state": "OH",
"license": "35093209",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Beachwood, OH
- Chini Graves
- Darren Lee Graves, CDCA
- Kellie Renae Graves, OTR/L
- Gray and Hornstein, DDS Inc (Center For Advanced Dentistry)
- Rasheda Gray
- Great Lakes Physical Medicine LLC
- Greater Cleveland Home Health Care Inc
- Greater Cleveland Optometry LLC (Beachwood Family Eye Care)
- Greater Cleveland Pediatrics
- Green Road Behavioral Health, Inc. (Green Road Behavioral Health)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.