Michael E. Ryan, D.O.

Primary specialty

Pediatric Infectious Diseases PhysicianTaxonomy code 2080P0208X

License

OS003346L Issued in PA

Practice address

100 N Academy Ave
Danville, PA 17822-9800

Phone

(570) 271-7910

Fax

(570) 271-6002

NPI assigned

Apr 26, 2006

Sex

Male

Sole proprietor

No

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: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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 and National Provider Directory roles.

• Geisinger Clinic

  • Family Medicine Physician
  • Danville, PA
  • NPI 1366493868

  PA

  Medicare reassignment NPD
• Geisinger Clinic

  • Diagnostic Radiology Physician
  • Danville, PA
  • NPI 1558313023
  NPD
• Geisinger Clinic

  • Pediatrics Physician
  • Scranton, PA
  • NPI 1952995482

  Pediatrics

  NPD
• Geisinger Clinic

  • Family Medicine Physician
  • Pottsville, PA
  • NPI 1043261183

  Pediatrics

  NPD (past)

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

{
    "created_epoch": "1146009600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1669438644",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 N ACADEMY AVE",
            "city": "DANVILLE",
            "state": "PA",
            "postal_code": "178229800",
            "telephone_number": "570-271-6144",
            "fax_number": "570-271-6578"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 N ACADEMY AVE",
            "city": "DANVILLE",
            "state": "PA",
            "postal_code": "178229800",
            "telephone_number": "570-271-7910",
            "fax_number": "570-271-6002"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RYAN",
        "first_name": "MICHAEL",
        "middle_name": "E.",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-26",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "PA",
            "license": "OS003346L",
            "primary": false
        },
        {
            "code": "2080P0208X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Infectious Diseases",
            "state": "PA",
            "license": "OS003346L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dayna Rutkoski, CRNP
• Larissa R Rutter, PA-C
• Cynthia J Ryan, MSW, LSW, HSV
• Erin Elizabeth Ryan, MS, LCGC
• Jennifer Anne Ryan
• Evan Joseph Ryer, M.D.
• George Rymarczuk, MD
• Jaewon Ryu, MD
• Aseel Bassam Mohd Saadeh
• Dhuha A Saber, PHARMD

• All providers in Danville, PA
• Pediatric Infectious Diseases Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.