Keying Yan, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

OEG003885 Issued in PA

Practice address

500 University Dr
Hershey, PA 17033-2360

Phone

(717) 531-5690

Fax

(717) 531-5009

NPI assigned

Aug 4, 2021

Last updated

Apr 27, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Optometry

Education

State University of New York - State College Optometry, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Susquehanna Physician ServicesGroup PAC ID 2264336460, 611 clinicians

The Milton S Hershey Medical Center Physicians GroupGroup PAC ID 3870405483, 1,606 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Milton S Hershey Medical Center Hospital, Hershey, PA, CCN 390256

Merit-based Incentive Payment System (MIPS)

Final score

81.06 of 100Reported as group

Quality

62.07

Promoting interoperability

100

Improvement activities

40

Cost

74.81

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: keying.yan@upmcdirect.com

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.

• Susquehanna Physician Services

  dba Susquehanna Health Medical Group

  • Ophthalmology Physician
  • Williamsport, PA
  • NPI 1558393652
  Medicare reassignment Care Compare group NPD
• The Milton S Hershey Medical Center Physicians Group

  • Orthopaedic Surgery Physician
  • Hershey, PA
  • NPI 1710951744
  Medicare reassignment Care Compare group
• Susquehanna Physician Services

  • Radiology Clinic/Center
  • Mansfield, PA
  • NPI 1073361564
  NPD
• Susquehanna Physician Services

  dba Susquehanna Health Medical Group

  • Family Medicine Physician
  • South Williamsport, PA
  • NPI 1780631226
  NPD (past)

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

• The Milton S Hershey Medical Center

  • General Acute Care Hospital
  • Hershey, PA
  • NPI 1568435477
  Care Compare affiliation

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

{
    "created_epoch": "1628035200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777248000000",
    "number": "1447924329",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 UNIVERSITY DR MC CA410",
            "city": "HERSHEY",
            "state": "PA",
            "postal_code": "170332360",
            "telephone_number": "717-531-5208",
            "fax_number": "717-531-0119"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 UNIVERSITY DR",
            "city": "HERSHEY",
            "state": "PA",
            "postal_code": "170332360",
            "telephone_number": "717-531-5690",
            "fax_number": "717-531-5009"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1705 Warren Ave Ste 303",
            "address_purpose": "LOCATION",
            "city": "Williamsport",
            "state": "PA",
            "postal_code": "177012665",
            "country_code": "US",
            "telephone_number": "570-320-7850",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YAN",
        "first_name": "KEYING",
        "credential": "OD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-08-04",
        "last_updated": "2026-04-27",
        "certification_date": "2026-04-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "PA",
            "license": "OEG003885",
            "primary": true
        },
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "NY",
            "license": "009356",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Danielle Marie Yakup, PA-C
• Oya Yalcin Cok, MD
• Kelsey Yamada, MD, PHD
• Kentaro Yamane, M.D.
• Flora Yan, MD
• Gregory M Yandrick, CRNA
• Qian Yang
• Sandra Guangyu Yang, MD
• Chelsee Jean-Marie Yannone, CRNP
• Irem Yapar

• Optometrist in Hershey, PA
• Providers in Hershey, PA by specialty
• Optometrist in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 27, 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.

Verify at the official NPI Registry.