Active NPI
Mark Louis Mascari, DO
- Addiction Medicine (Family Medicine) Physician
- Mechanicsburg, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction Medicine (Family Medicine) Physician
- License
- OS006571L
- Practice address
- 310 Lambs Gap Rd
Mechanicsburg, PA 17050-2522 - Phone
- (717) 795-9566
- NPI assigned
- Feb 21, 2006
- Sex
- Male
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | OS006571L | PA | |
| Addiction Medicine (Family Medicine) Physician | 207QA0401X | OS006571L | PA | Primary |
Addresses
Primary practice location
310 Lambs Gap Rd
Mechanicsburg, PA 17050-2522
Mailing address
310 Lambs Gap Rd
Mechanicsburg, PA 17050-2522
Phone (717) 795-9566
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 02277200 | Other | PA | BLUE CROSS |
| 682304 | Other | PA | MEDICARE # |
| 001167064 | Medicaid | PA |
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: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260318002286 | PA | Order and Referring Only - Family Practice | 5294830923 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| OS006571L | PA | MD | Addiction Medicine (Family Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Pinnacle Health Medical Services | Family Medicine | Current | Accepting new patients |
| American Current Care PA | Current | Accepting new patients | |
| Frederick Health Hospital Inc | Past | Accepting new patients |
Locations
4200 Union Deposit Rd
Harrisburg, PA 17111
Phone (717) 558-6708
409 S 2nd St
Ste 2F
Harrisburg, PA 17104
Phone (717) 231-8049
5400 Chambers Hill Rd
Harrisburg, PA 17111
Phone (717) 564-5400
2501 N 3rd St
Fl 2
Harrisburg, PA 17110
Phone (717) 782-2100
2010 Levick St
Philadelphia, PA 19149
Phone (215) 537-4755
15 Freeport Rd
Ste 100
Pittsburgh, PA 15215
Phone (412) 784-1551
8012 Bretz Dr
West Hanover, PA 17112
Phone (717) 231-8320
5080 Spectrum Dr
Ste 1200W
Addison, TX 75001
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.
-
- Family Medicine Physician
- Harrisburg, PA
- NPI 1932143427
-
- Health Service Clinic/Center
- Addison, TX
- NPI 1477734861
-
- General Acute Care Hospital
- Frederick, MD
- NPI 1538165527
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1140480000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778112000000",
"number": "1356316707",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "310 LAMBS GAP RD",
"city": "MECHANICSBURG",
"state": "PA",
"postal_code": "170502522",
"telephone_number": "717-795-9566"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "310 LAMBS GAP RD",
"city": "MECHANICSBURG",
"state": "PA",
"postal_code": "170502522",
"telephone_number": "717-795-9566"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MASCARI",
"first_name": "MARK",
"middle_name": "LOUIS",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-21",
"last_updated": "2026-05-07",
"certification_date": "2026-05-07",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "PA",
"license": "OS006571L",
"primary": false
},
{
"code": "207QA0401X",
"taxonomy_group": "",
"desc": "Family Medicine, Addiction Medicine",
"state": "PA",
"license": "OS006571L",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CROSS",
"identifier": "02277200",
"state": "PA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICARE #",
"identifier": "682304",
"state": "PA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "001167064",
"state": "PA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Mechanicsburg, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 7, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.