Active NPI
Julissa Magdaly Guerra Percolla, DDS
- General Practice Dentistry
- Portland, ME
National Provider Identifier
1457704207
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Dentistry
- License
- 4488
- Practice address
- 190 Park Ave
Portland, ME 04102-2910 - Phone
- (207) 874-1028
- NPI assigned
- Jul 18, 2016
- Last updated
- Nov 1, 2025
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| General Practice Dentistry | 1223G0001X | 100457 | CA | |
| General Practice Dentistry | 1223G0001X | 4488 | ME | Primary |
Addresses
Primary practice location
190 Park Ave
Portland, ME 04102-2910
Mailing address
424 Payne Rd Ste 102
Scarborough, ME 04074-5569
Phone (207) 503-0030
Other practice location 1
2288 Daniels St
Manteca, CA 95337-6706
Phone (209) 456-5610
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 4488 | ME | MD | General Practice Dentistry |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Smilestry PLLC | Current | Accepting new patients | |
| Robert P. Nakaki Dental Corporation | General Practice | Past | Accepting new patients |
Locations
424 Payne Rd
Ste 102
Scarborough, ME 04074
Organizations & group practices 2
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.
-
- Dental Clinic/Center
- Scarborough, ME
- NPI 1134010481
-
dba Stadium Dental Group
- General Practice Dentistry
- Manteca, CA
- NPI 1841471299
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1468800000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761955200000",
"number": "1457704207",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "424 PAYNE RD STE 102",
"city": "SCARBOROUGH",
"state": "ME",
"postal_code": "040745569",
"telephone_number": "207-503-0030",
"fax_number": "207-503-0035"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "190 PARK AVE",
"city": "PORTLAND",
"state": "ME",
"postal_code": "041022910",
"telephone_number": "207-874-1028"
}
],
"practiceLocations": [
{
"address_1": "2288 Daniels St",
"address_purpose": "LOCATION",
"city": "Manteca",
"state": "CA",
"postal_code": "953376706",
"country_code": "US",
"telephone_number": "209-456-5610",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GUERRA PERCOLLA",
"first_name": "JULISSA",
"middle_name": "MAGDALY",
"credential": "DDS",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2016-07-18",
"last_updated": "2025-11-01",
"certification_date": "2025-11-01",
"status": "A"
},
"taxonomies": [
{
"code": "1223G0001X",
"taxonomy_group": "",
"desc": "Dentist, General Practice",
"state": "CA",
"license": "100457",
"primary": false
},
{
"code": "1223G0001X",
"taxonomy_group": "",
"desc": "Dentist, General Practice",
"state": "ME",
"license": "4488",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Portland, ME
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.