Theodore T. Guild, MD

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

34577 Issued in NH

Practice address

1900 Lafayette Rd
Portsmouth, NH 03801-5679

Phone

(603) 431-1121

NPI assigned

Apr 3, 2019

Last updated

Aug 26, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in UT, NH, ME3 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 3

Specialty

Orthopedic Surgery

Education

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sportsmedicine Atlantic Orthopaedics PAGroup PAC ID 4587561196, 28 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• York Hospital Hospital, York, ME, CCN 200020
• Portsmouth Regional Hospital Hospital, Portsmouth, NH, CCN 300029

Merit-based Incentive Payment System (MIPS)

Final score

89.77 of 100Reported as group

Quality

91.47

Promoting interoperability

100

Improvement activities

40

Cost

74.42

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Sportsmedicine Atlantic Orthopaedics PA

  • Specialist
  • Portsmouth, NH
  • NPI 1881631554

  ME, Orthopaedic Surgery

  Medicare reassignment Care Compare group NPD
• University of Utah Adult Services

  • General Practice Physician
  • Salt Lake City, UT
  • NPI 1114321981
  Medicare reassignment NPD
• Sportsmedicine Atlantic Orthopaedics PA

  dba Atlantic Orthopaedics & Sports Medicine

  • Sports Medicine (Orthopaedic Surgery) Physician
  • Dover, NH
  • NPI 1275354227
  NPD
• University of Utah Adult Services

  dba College of Nursing University of Utah

  • Obstetrics & Gynecology Physician
  • Salt Lake City, UT
  • NPI 1578961447
  NPD
• University of Utah Adult Services

  dba University of Utah Hospital Radiology Department

  • Diagnostic Radiology Physician
  • Salt Lake City, UT
  • NPI 1598169419
  NPD

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

• HCA Health Services of New Hampshire Inc

  dba Portsmouth Regional Hospital

  • General Acute Care Hospital
  • Portsmouth, NH
  • NPI 1518913607
  Care Compare affiliation
• York Hospital

  • General Acute Care Hospital
  • York, ME
  • NPI 1376528398
  Care Compare affiliation

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

{
    "created_epoch": "1554249600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756166400000",
    "number": "1841752391",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1900 LAFAYETTE RD",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "038015679",
            "telephone_number": "603-431-1121"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1900 LAFAYETTE RD",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "038015679",
            "telephone_number": "603-431-1121"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "16 Hospital Dr Ste 102A",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "ME",
            "postal_code": "039091011",
            "country_code": "US",
            "telephone_number": "603-431-1121",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUILD",
        "first_name": "THEODORE",
        "middle_name": "T.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-04-03",
        "last_updated": "2025-08-26",
        "certification_date": "2025-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "ME",
            "license": "MD29318",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "NH",
            "license": "34577",
            "primary": true
        },
        {
            "code": "207XX0004X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Foot and Ankle Surgery",
            "state": "NH",
            "license": "34577",
            "primary": false
        },
        {
            "code": "207XX0004X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Foot and Ankle Surgery",
            "state": "ME",
            "license": "MD29318",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dijana Grubesic, BA
• Colin Guare
• Richard Guare, PHD
• Deborah Guarino, OTR/L
• Ruth Guilbault
• Michele A Guilfoyle, PA-C
• Brittany Guillemette
• Lauren Gulla, LICSW
• Michele Guyette, DO
• Michele Guzofski, LMT

• Orthopaedic Surgery Physician in Portsmouth, NH
• Providers in Portsmouth, NH by specialty
• Orthopaedic Surgery Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 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.