Walter Matthew Ryan III, DO

Primary specialty

Allergy & Immunology (Internal Medicine) PhysicianTaxonomy code 207RA0201X

License

24463 Issued in NH

Practice address

2300 Southwood Dr
Nashua, NH 03063-1818

Phone

(603) 577-4000

NPI assigned

Oct 24, 2005

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in FL, NH2 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

Allergy/Immunology

Education

Other, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mary Hitchcock Memorial HospitalGroup PAC ID 4486561164, 1,269 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mary Hitchcock Memorial Hospital Hospital, Lebanon, NH, CCN 300003

Merit-based Incentive Payment System (MIPS)

Final score

79.66 of 100Reported as apm

Quality

53.51

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

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.

• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1023092053
  Medicare reassignment Care Compare group NPD
• Dartmouth-Hitchcock Clinic

  • Internal Medicine Physician
  • Lebanon, NH
  • NPI 1548210198
  Medicare reassignment NPD
• Allergy & Asthma Associates of South Florida PA

  • Allergy & Immunology Physician
  • Miami, FL
  • NPI 1093779696
  Medicare reassignment NPD
• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1629788237
  NPD
• Mary Hitchcock Memorial Hospital

  • Psychiatric Hospital
  • Hampstead, NH
  • NPI 1699584219
  NPD
• Allergy & Asthma Associates of South Florida PA

  • Allergy & Immunology Physician
  • Pembroke Pines, FL
  • NPI 1912164211
  NPD
• Jordan Physician Associates, Inc.

  • Anatomic Pathology & Clinical Pathology Physician
  • Plymouth, MA
  • NPI 1194263186
  NPD (past)
• Jordan Physician Associates, Inc.

  • Family Medicine Physician
  • Plymouth, MA
  • NPI 1538145131
  NPD (past)

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

• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1023092053
  Care Compare affiliation
• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1629788237
  Care Compare affiliation

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

{
    "created_epoch": "1130112000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1691107200000",
    "number": "1073503843",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 810",
            "city": "HANOVER",
            "state": "NH",
            "postal_code": "037550810",
            "telephone_number": "603-308-1453"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2300 SOUTHWOOD DR",
            "city": "NASHUA",
            "state": "NH",
            "postal_code": "030631818",
            "telephone_number": "603-577-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "350 NW 84th Ave",
            "address_2": "Suite 205",
            "address_purpose": "LOCATION",
            "city": "Plantation",
            "state": "FL",
            "postal_code": "333241817",
            "country_code": "US",
            "telephone_number": "954-472-4848",
            "fax_number": "954-472-8500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RYAN",
        "first_name": "WALTER",
        "middle_name": "MATTHEW",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-10-24",
        "last_updated": "2023-08-04",
        "certification_date": "2023-07-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "FL",
            "license": "OS10177",
            "primary": false
        },
        {
            "code": "207RA0201X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Allergy & Immunology",
            "state": "NH",
            "license": "24463",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "279624400",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Christina Russell
• Elisha Russo, PHARMD
• Madison Julia Russo, PA-C
• Emily Rutz
• Jessica Ryan, BA
• Wendy Ellen Ryback-Soucy, CCC-SLP
• Heather Ryder, LCMHC, MLADC
• Michelle Ryder, LPC
• Katelyn M Sabbagh, MA
• Sabine H Manoli MD, PLLC

• Allergy & Immunology (Internal Medicine) Physician in Nashua, NH
• Providers in Nashua, NH by specialty
• Allergy & Immunology (Internal Medicine) Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 2023; 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.