Howard W Sill, MD, PHD

Primary specialty

Vascular & Interventional Radiology PhysicianTaxonomy code 2085R0204X

License

D0105205 Issued in MD

Practice address

11116 Medical Campus Rd
Hagerstown, MD 21742-6710

Phone

(301) 790-8000

NPI assigned

Aug 21, 2007

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

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in PA, MD2 enrollments

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 2

Specialty

Interventional Radiology

Education

University of Pittsburgh School of Medicine, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Medical Practices of Antietam, LLCGroup PAC ID 2567353865, 229 clinicians

Meritus Medical Center IncGroup PAC ID 7113811795, 730 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Meritus Medical Center Hospital, Hagerstown, MD, CCN 210001
• Wellspan Chambersburg Hospital Hospital, Chambersburg, PA, CCN 390151

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: hsill446876@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 and National Provider Directory roles.

• Medical Practices of Antietam LLC

  • Clinic/Center
  • Hagerstown, MD
  • NPI 1710854963

  MD

  Medicare reassignment Care Compare group
• Meritus Medical Center Inc

  • Nurse Practitioner
  • Hagerstown, MD
  • NPI 1205176393

  MD

  Medicare reassignment Care Compare group
• Wellspan Medical Group

  • Gastroenterology Physician
  • York, PA
  • NPI 1669770004

  PA

  Medicare reassignment NPD
• Meritus Medical Center Inc

  • Diagnostic Radiology Physician
  • Hagerstown, MD
  • NPI 1184477911

  Diagnostic Radiology

  NPD
• Meritus Medical Center Inc

  • Emergency Medicine Physician
  • Hagerstown, MD
  • NPI 1396980405
  NPD
• Taylor G Wright PC

  • Podiatrist
  • Meridian, ID
  • NPI 1366149304
  NPD
• TMS Physician Services, P.C.

  • Psychiatry Physician
  • Portland, OR
  • NPI 1881139913
  NPD
• Wellspan Medical Group

  • Pediatric Surgery Physician
  • York, PA
  • NPI 1104799428
  NPD
• Wellspan Medical Group

  • Family Medicine Physician
  • Chambersburg, PA
  • NPI 1386350866

  Family Medicine

  NPD
• Frederick Health Hospital Inc

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)
• Auburn Family Medical Center, Inc., P.S.

  • General Practice Physician
  • Auburn, WA
  • NPI 1427278001
  NPD (past)

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

• Meritus Medical Center Inc

  • General Acute Care Hospital
  • Hagerstown, MD
  • NPI 1942281266

  Hospital

  Care Compare affiliation
• The Chambersburg Hospital

  • Clinic/Center
  • Chambersburg, PA
  • NPI 1215060157

  Hospital

  Care Compare affiliation
• The Chambersburg Hospital

  • Clinic/Center
  • Chambersburg, PA
  • NPI 1669523320

  Hospital

  Care Compare affiliation
• The Chambersburg Hospital

  • General Acute Care Hospital
  • Chambersburg, PA
  • NPI 1902804552

  Hospital

  Care Compare affiliation
• The Chambersburg Hospital

  • Clinic/Center
  • Chambersburg, PA
  • NPI 1952452617

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1187654400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764028800000",
    "number": "1679766844",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11116 MEDICAL CAMPUS RD",
            "city": "HAGERSTOWN",
            "state": "MD",
            "postal_code": "217426710",
            "telephone_number": "301-790-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11116 MEDICAL CAMPUS RD",
            "city": "HAGERSTOWN",
            "state": "MD",
            "postal_code": "217426710",
            "telephone_number": "301-790-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SILL",
        "first_name": "HOWARD",
        "middle_name": "W",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-08-21",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0204X",
            "taxonomy_group": "",
            "desc": "Radiology, Vascular & Interventional Radiology",
            "state": "MD",
            "license": "D0105205",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2030768",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500658018",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Mysore Shyam
• Megan Leanne Sichler
• Noor Maqsood Siddiqui, M.D.
• Shahab Z Siddiqui, MD
• Sightrite Medical MD LLC
• Tania Silva, LCSWC
• Ashley Marie Simmons
• Brianna Simmons
• Valerie Theodora Simon, CRNP
• Simply 4 Kidz Healthcare, LLC

• All providers in Hagerstown, MD
• Vascular & Interventional Radiology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 25, 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.