Gaser A Ahmed

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

OS023265 Issued in PA

Practice address

1001 S George St
York, PA 17403-3676

Phone

(717) 851-2311

NPI assigned

Apr 27, 2021

Last updated

Jan 29, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Emergency Medicine

Education

University of New England, College of Osteo Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

York HospitalGroup PAC ID 2961307467, 94 clinicians

The Chambersburg HospitalGroup PAC ID 5496748303, 30 clinicians

The Gettysburg HospitalGroup PAC ID 2769373331, 66 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Gettysburg Hospital Hospital, Gettysburg, PA, CCN 390065
• Wellspan York Hospital Hospital, York, PA, CCN 390046

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gahmed248294@wellspan.direct-ci.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.

• The Chambersburg Hospital

  dba Chambersburg Hospital Emergency Department

  • Emergency Medical Services (Emergency Medicine) Physician
  • Chambersburg, PA
  • NPI 1558460428
  Medicare reassignment Care Compare group NPD
• The Gettysburg Hospital

  dba WellSpan Gettysburg Hospital

  • Emergency Medicine Physician
  • Gettysburg, PA
  • NPI 1366472706
  Medicare reassignment Care Compare group NPD
• York Hospital

  • General Acute Care Hospital
  • York, PA
  • NPI 1326060492
  Medicare reassignment Care Compare group NPD
• Waynesboro Hospital

  dba WellSpan Waynesboro Hospital

  • General Acute Care Hospital
  • Waynesboro, PA
  • NPI 1821091059
  Medicare reassignment NPD
• Wellspan Medical Group

  dba WellSpan Digestive Health

  • Gastroenterology Physician
  • York, PA
  • NPI 1669770004
  Medicare reassignment
• The Chambersburg Hospital

  dba WellSpan Chambersburg Hospital

  • Clinic/Center
  • Chambersburg, PA
  • NPI 1215060157
  NPD
• The Gettysburg Hospital

  dba WellSpan Gettysburg Hospital SPU

  • Ambulatory Surgical Clinic/Center
  • Gettysburg, PA
  • NPI 1184882011
  NPD
• Waynesboro Hospital

  dba WellSpan Waynesboro Hospital

  • Clinic/Center
  • Fayetteville, PA
  • NPI 1306989561
  NPD
• Wellspan Medical Group

  dba WellSpan Family Medicine - Meadowbrook

  • Family Medicine Physician
  • Leola, PA
  • NPI 1033660550
  NPD
• Wellspan Medical Group

  dba WellSpan Pediatric Surgical Specialist

  • Pediatric Surgery Physician
  • York, PA
  • NPI 1104799428
  NPD
• York Hospital

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • York, PA
  • NPI 1114885480
  NPD
• York Hospital

  dba York Hospital Community Health Center

  • Clinic/Center
  • York, PA
  • NPI 1497814040
  NPD

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

• The Gettysburg Hospital

  dba WellSpan Gettysburg Hospital SPU

  • Ambulatory Surgical Clinic/Center
  • Gettysburg, PA
  • NPI 1184882011

  Hospital

  Care Compare affiliation
• The Gettysburg Hospital

  • General Acute Care Hospital
  • Gettysburg, PA
  • NPI 1265466957
  Care Compare affiliation
• York Hospital

  • General Acute Care Hospital
  • York, PA
  • NPI 1326060492
  Care Compare affiliation
• York Hospital

  dba York Hospital Community Health Center

  • Clinic/Center
  • York, PA
  • NPI 1497814040

  Hospital

  Care Compare affiliation
• York Hospital

  dba WellSpan York Hospital OB/GYN

  • Clinic/Center
  • York, PA
  • NPI 1609112036

  Hospital

  Care Compare affiliation
• York Hospital

  • Family Medicine Physician
  • York, PA
  • NPI 1881617132

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1619481600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769644800000",
    "number": "1760064984",
    "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": "1001 S GEORGE ST",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174033676",
            "telephone_number": "717-851-2311"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "112 N 7th St",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172011720",
            "country_code": "US",
            "telephone_number": "717-267-7146",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1201 Letort Springs Way",
            "address_purpose": "LOCATION",
            "city": "Carlisle",
            "state": "PA",
            "postal_code": "170158011",
            "country_code": "US",
            "telephone_number": "717-674-7600",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "501 E Main St",
            "address_purpose": "LOCATION",
            "city": "Waynesboro",
            "state": "PA",
            "postal_code": "172682353",
            "country_code": "US",
            "telephone_number": "717-765-3400",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "36 Robinhood Dr",
            "address_purpose": "LOCATION",
            "city": "Etters",
            "state": "PA",
            "postal_code": "173199528",
            "country_code": "US",
            "telephone_number": "717-388-7300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "14781 Wolfe Rd",
            "address_purpose": "LOCATION",
            "city": "New Freedom",
            "state": "PA",
            "postal_code": "173499571",
            "country_code": "US",
            "telephone_number": "717-326-1880",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "147 Gettys St",
            "address_purpose": "LOCATION",
            "city": "Gettysburg",
            "state": "PA",
            "postal_code": "173252534",
            "country_code": "US",
            "telephone_number": "717-337-4168",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AHMED",
        "first_name": "GASER",
        "middle_name": "A",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-27",
        "last_updated": "2026-01-29",
        "certification_date": "2026-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "OS023265",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Madeline Aghazarian, CRNP, FNP-C
• Karen Jean Ahern, BCS, LBS
• Kara Ahlberg
• Duane E Ahlbrandt, M.D.
• Nabeel Ahmad
• MD. Faruque Ahmed, MD
• Carolyn Pearson Aho
• Arif Ahsan, MD
• Uzair Ahtesham, DO
• Vanita Ahuja, M.D.

• Emergency Medicine Physician in York, PA
• Providers in York, PA by specialty
• Emergency Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 29, 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.