Active NPI
Daria Lin Keyser, DO
- Surgery Physician
- Lewisburg, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- OS017396
- Practice address
- 25 Lystra Rogers Dr
Lewisburg, PA 17837-8807 - Phone
- (570) 523-3290
- Fax
- (570) 524-5231
- NPI assigned
- Jun 22, 2010
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 4335 | GA | |
| Surgery Physician | 208600000X | OS017396 | PA | Primary |
Addresses
Primary practice location
25 Lystra Rogers Dr
Lewisburg, PA 17837-8807
Mailing address
601 Memory LN
York, PA 17402-2231
Phone (717) 851-1405
Other practice location 1
210 Jpm Rd Ste 202
Lewisburg, PA 17837-9367
Phone (570) 522-4299
Other names 1
- Daria Lin Guelig
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
Care Compare profile
Medicare Care Compare- Specialty
- General Surgery
- Education
- Philadelphia College of Osteopathic Medicine, 2010
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1 Hospital Dr
Lewisburg, PA 17837-9350
Phone (570) 522-4264
210 JPM Rd
Lewisburg, PA 17837-9367
Phone (570) 522-4299
25 Lystra Rogers Dr
Lewisburg, PA 17837-8807
Phone (570) 523-3290
25 Monument Rd
York, PA 17403-5073
Hospital & facility affiliations
- Wellspan Evangelical Community Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 1-10 |
| Hernia repair - groin (open) | 1-10 |
| Mastectomy | 1-10 |
| Melanoma (skin cancer) excision | 1-10 |
| Removal of tissue | 1-10 |
| Removal of skin lesions | 17 |
| Removal or shaving of skin growth | 20 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 4335 | GA | MD | Counselor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Evangelical Medical Services Organization | Current | Accepting new patients | |
| Evangelical Medical Services Organization | Surgery | Current | Accepting new patients |
| Wellspan Medical Group | Current | Accepting new patients | |
| Wellspan Medical Group | Current | Accepting new patients | |
| Evangelical Medical Services Organization | Current | Accepting new patients | |
| Wellspan Medical Group | Current | Accepting new patients | |
| Wellspan Medical Group | Past | Accepting new patients | |
| Evangelical Community Hospital | Past | Accepting new patients |
Locations
3 Hospital Dr
Ste 318
Lewisburg, PA 17837
Phone (570) 522-1007
210 Jpm Rd
Ste 202
Lewisburg, PA 17837
Phone (570) 522-4200
1 Hospital Dr
Ste 306
Lewisburg, PA 17837
Phone (570) 522-4110
3 Hospital Dr
Ste 206
Lewisburg, PA 17837
Phone (570) 522-9771
25 Lystra Rogers Dr
Lewisburg, PA 17837
Phone (570) 523-3290
25 Monument Rd
Ste 270
York, PA 17403
Phone (717) 741-8250
601 Memory Ln
York, PA 17402
Phone (717) 851-6670
1600 S George St
York, PA 17403
Phone (717) 848-3615
Interoperability endpoints
- dkeyser482174@wellspan.direct-ci.com
Organizations & group practices 8
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.
-
- Surgery Physician
- Lewisburg, PA
- NPI 1205928967
-
- Gastroenterology Physician
- York, PA
- NPI 1669770004
-
- Urology Physician
- Lewisburg, PA
- NPI 1083412084
-
- Clinical Psychologist
- Lewisburg, PA
- NPI 1720187370
-
- Pediatric Surgery Physician
- York, PA
- NPI 1104799428
-
- Family Medicine Physician
- Hanover, PA
- NPI 1184962821
-
- General Acute Care Hospital
- Lewisburg, PA
- NPI 1124076039
-
- Family Medicine Physician
- York, PA
- NPI 1598862716
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Lewisburg, PA
- NPI 1124076039
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1277164800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773792000000",
"number": "1922329259",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "601 MEMORY LN",
"city": "YORK",
"state": "PA",
"postal_code": "174022231",
"telephone_number": "717-851-1405"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "25 LYSTRA ROGERS DR",
"city": "LEWISBURG",
"state": "PA",
"postal_code": "178378807",
"telephone_number": "570-523-3290",
"fax_number": "570-524-5231"
}
],
"practiceLocations": [
{
"address_1": "210 Jpm Rd Ste 202",
"address_purpose": "LOCATION",
"city": "Lewisburg",
"state": "PA",
"postal_code": "178379367",
"country_code": "US",
"telephone_number": "570-522-4299",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KEYSER",
"first_name": "DARIA",
"middle_name": "LIN",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2010-06-22",
"last_updated": "2026-03-18",
"certification_date": "2026-03-18",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "GA",
"license": "4335",
"primary": false
},
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "PA",
"license": "OS017396",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "DARIA",
"last_name": "GUELIG",
"middle_name": "LIN",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Lewisburg, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 18, 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.