Individual provider Active NPI

William Michael Bertheaud, DPT

  • Physical Therapist
  • Lexington, MA
National Provider Identifier
1891558862
Registry record updated Apr 23, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
27397 Issued in MA
Practice address
16 Hayden Ave
Lexington, MA 02421-7929
Phone
(781) 372-7000
NPI assigned
Feb 2, 2024
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 23, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X
Physical Therapist 225100000X 27397 MA Primary

Addresses

Primary practice location

16 Hayden Ave
Lexington, MA 02421-7929

Mailing address

16 Hayden Ave
Lexington, MA 02421-7929

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, CA, WA3 enrollments

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20240509002774 MA Practitioner - Physical Therapist in Private Practice 8123469061 Reassigns benefits to 2 organizations
I20251017003697 CA Practitioner - Physical Therapist in Private Practice 8123469061 Reassigns benefits to 2 organizations
I20260520003314 WA Practitioner - Physical Therapist in Private Practice 8123469061 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Optc Westside IncGroup PAC ID 1355394214, 8 clinicians
More Physical Therapy IncGroup PAC ID 5294783122, 51 clinicians
Lahey Clinic IncGroup PAC ID 2264336528, shared by 3 NPIs, 1,381 clinicians
Multicare Health SystemGroup PAC ID 7719899897, 2,312 clinicians

Practice addresses (Care Compare)

10190 Culver Blvd
Culver City, CA 90232-3152
Phone (310) 837-9700

1241 E Hillsdale Blvd
Suite 170
Foster City, CA 94404-1259
Phone (650) 571-5185

16 Hayden Ave
Lexington, MA 02421-7929
Phone (781) 372-7100

17307 SE 272ND St
Suite 142
Covington, WA 98042-5330
Phone (253) 243-7528

29 Mall Rd
Burlington, MA 01805-0001

41 Mall Rd
Burlington, MA 01805-0001

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
27397MAMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Lahey Clinic, Inc. CurrentSince Mar 11, 2024 Accepting new patients
Optc Westside Inc Physical Therapist CurrentSince Jan 5, 2026 Accepting new patients
More Physical Therapy, Inc. Physical Therapist CurrentSince Sep 22, 2025 Accepting new patients
Lahey Clinic, Inc CurrentSince Mar 11, 2024 Accepting new patients

Locations

1633 Old Bayshore Hwy
Ste 145
Burlingame, CA 94010
Phone (650) 239-9075

10190 Culver Blvd
Culver City, CA 90232
Phone (310) 837-9700

1241 E Hillsdale Blvd
Ste 170
Foster City, CA 94404
Phone (650) 571-5185

2145 The Alameda
San Jose, CA 95126
Phone (408) 248-6886

41 Mall Rd
Burlington, MA 01805
Phone (781) 744-8400

16 Hayden Ave
Lexington, MA 02421
Phone (781) 372-7060

Organizations & group practices 5

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.

NPI Registry JSON

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

{
    "created_epoch": "1706832000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1713830400000",
    "number": "1891558862",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16 HAYDEN AVE",
            "city": "LEXINGTON",
            "state": "MA",
            "postal_code": "024217929"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16 HAYDEN AVE",
            "city": "LEXINGTON",
            "state": "MA",
            "postal_code": "024217929",
            "telephone_number": "781-372-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BERTHEAUD",
        "first_name": "WILLIAM",
        "middle_name": "MICHAEL",
        "credential": "DPT",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-02-02",
        "last_updated": "2024-04-23",
        "certification_date": "2024-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "MA",
            "license": "27397",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lexington, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 23, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.