Aaron Linn Womer

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

MD491025 Issued in PA

Practice address

2135 Noll Dr Ste D
Lancaster, PA 17603-7602

Phone

(223) 202-7000

Fax

(717) 312-3138

NPI assigned

Mar 28, 2018

Last updated

Nov 24, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

General Surgery

Education

Case Western University School of Dental Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Penn State Health Medical Group LLCGroup PAC ID 8729351077, 720 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Penn State Health Lancaster Medical Center Hospital, Lancaster, PA, CCN 390339
• Penn State Health St. Joseph Hospital, Reading, PA, CCN 390096

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Penn State Health Medical Group, LLC

  • Hematology & Oncology Physician
  • Harrisburg, PA
  • NPI 1861988644
  Medicare reassignment Care Compare group NPD
• Penn State Health Medical Group, LLC

  • Diagnostic Radiology Physician
  • Harrisburg, PA
  • NPI 1457824013
  NPD
• Penn State Health Medical Group, LLC

  • Hospitalist Physician
  • Camp Hill, PA
  • NPI 1497409155
  NPD
• St. Joseph Medical Group

  • Family Medicine Physician
  • Reading, PA
  • NPI 1184754657

  Surgery

  NPD
• St. Joseph Medical Group

  • Anesthesiology Physician
  • Reading, PA
  • NPI 1841680881
  NPD
• Penn State Health Medical Group, LLC

  • Dermatology Physician
  • Camp Hill, PA
  • NPI 1407500143

  Surgery

  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Penn State Health Lancaster Medical Center

  • General Acute Care Hospital
  • Lancaster, PA
  • NPI 1013674266
  Care Compare affiliation
• St Joseph Regional Health Network

  dba Penn State Health St Joseph

  • General Acute Care Hospital
  • Reading, PA
  • NPI 1699734665
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1522195200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763942400000",
    "number": "1114422466",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2135 NOLL DR STE D",
            "city": "LANCASTER",
            "state": "PA",
            "postal_code": "176037602",
            "telephone_number": "223-202-7000",
            "fax_number": "717-312-3138"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2135 NOLL DR STE D",
            "city": "LANCASTER",
            "state": "PA",
            "postal_code": "176037602",
            "telephone_number": "223-202-7000",
            "fax_number": "717-312-3138"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2160 State Rd",
            "address_purpose": "LOCATION",
            "city": "Lancaster",
            "state": "PA",
            "postal_code": "176011812",
            "country_code": "US",
            "telephone_number": "223-287-9000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WOMER",
        "first_name": "AARON",
        "middle_name": "LINN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-03-28",
        "last_updated": "2025-11-24",
        "certification_date": "2025-11-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "PA",
            "license": "MD491025",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jenna Marie Wolfe
• Juston Wolgemuth
• Tierney Elizabeth Wolgemuth, MD
• Jonathan David Wolko, M.D.
• Thomas Wolz, DO
• Wonder Kids Medical Daycare
• Kristen E Wong, MD
• Brendan L Wood, CRNP
• John C. Wood, M.D.
• Jonathan Wood, MD

• Surgery Physician in Lancaster, PA
• Providers in Lancaster, PA by specialty
• Surgery Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 24, 2025; 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.

Verify at the official NPI Registry.