Active NPI
Maria A. Trees, PA-C
- Medical Physician Assistant
- Harrisburg, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Medical Physician Assistant
- License
- MA002687L
- Practice address
- 845 Sir Thomas Court
Suite 7
Harrisburg, PA 17109 - Phone
- (717) 651-5800
- NPI assigned
- Sep 20, 2006
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Medical Physician Assistant | 363AM0700X | MA002687L | PA | Primary |
Addresses
Primary practice location
845 Sir Thomas Court
Suite 7
Harrisburg, PA 17109
Mailing address
1020 Country Club Rd
Camp Hill, PA 17011-1048
Other practice location 1
815 Sir Thomas Ct Ste 200
Harrisburg, PA 17109-4839
Phone (717) 724-0720
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 1998
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
4811 Jonestown Rd
Harrisburg, PA 17109-1751
Phone (717) 651-5800
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 90.75 of 100
- Quality
- 76.63
- Improvement activities
- 40
- Cost
- 83.64
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MA002687L | PA | MD | Medical Physician Assistant |
Interoperability endpoints
- mtreespa@mdri.medentdirect.com
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 and National Provider Directory roles.
-
- Physical Medicine & Rehabilitation Physician
- Harrisburg, PA
- NPI 1235124892
-
- Family Medicine Physician
- Harrisburg, PA
- NPI 1932143427
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Harrisburg, PA
- NPI 1265537674
-
- General Acute Care Hospital
- Harrisburg, PA
- NPI 1407813603
-
dba UPMC Pinnacle West Shore
- General Acute Care Hospital
- Mechanicsburg, PA
- NPI 1972613305
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1158710400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778630400000",
"number": "1013015866",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1020 COUNTRY CLUB RD",
"city": "CAMP HILL",
"state": "PA",
"postal_code": "170111048"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "845 SIR THOMAS COURT",
"address_2": "SUITE 7",
"city": "HARRISBURG",
"state": "PA",
"postal_code": "17109",
"telephone_number": "717-651-5800"
}
],
"practiceLocations": [
{
"address_1": "815 Sir Thomas Ct Ste 200",
"address_purpose": "LOCATION",
"city": "Harrisburg",
"state": "PA",
"postal_code": "171094839",
"country_code": "US",
"telephone_number": "717-724-0720",
"fax_number": "717-724-0730",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TREES",
"first_name": "MARIA",
"middle_name": "A.",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-09-20",
"last_updated": "2026-05-13",
"certification_date": "2026-05-13",
"status": "A"
},
"taxonomies": [
{
"code": "363AM0700X",
"taxonomy_group": "",
"desc": "Physician Assistant, Medical",
"state": "PA",
"license": "MA002687L",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Harrisburg, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 13, 2026; 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.