Individual provider Active NPI

Zachary Wendell Walker

  • Reproductive Endocrinology Physician
  • Boston, MA
National Provider Identifier
1194258517
Registry record updated Aug 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Reproductive Endocrinology PhysicianTaxonomy code 207VE0102X
License
286764 Issued in MA
Practice address
75 Francis St
Boston, MA 02115-6110
Phone
(617) 732-4222
NPI assigned
Apr 4, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 16, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Reproductive Endocrinology Physician 207VE0102X 01091795A IN
Student in an Organized Health Care Education/Training Program 390200000X
Reproductive Endocrinology Physician 207VE0102X 286764 MA Primary

Addresses

Primary practice location

75 Francis St
Boston, MA 02115-6110

Mailing address

75 Francis St
Boston, MA 02115-6106
Phone (757) 309-3392

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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

Enrollment IDStateProvider typePAC IDDetails
I20250115000486 MA Practitioner - Obstetrics/Gynecology 2466739529 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Indiana University School of Medicine, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Brigham and Womens Physicians Organization IncGroup PAC ID 3870405988, 2,931 clinicians

Practice addresses (Care Compare)

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
01091795AINMDReproductive Endocrinology Physician
286764MAMDReproductive Endocrinology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Brigham & Womens Physicians Organization Inc CurrentSince Jan 1, 2025 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients
Brigham and Womens Physicians Organization Inc Past Accepting new patients

Locations

75 Francis St
Boston, MA 02115

62 13th St
Ste 100
Charlestown, MA 02129

1153 Centre St
Jamaica Plain, MA 02130
Phone (617) 983-7000

Interoperability endpoints

  • Direct secure messaging: walker.zachary.bwh@direct.partners.masshiway.net

Organizations & group practices 3

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": "1491264000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755302400000",
    "number": "1194258517",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156106",
            "telephone_number": "757-309-3392"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156110",
            "telephone_number": "617-732-4222"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALKER",
        "first_name": "ZACHARY",
        "middle_name": "WENDELL",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-04-04",
        "last_updated": "2025-08-16",
        "certification_date": "2025-08-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VE0102X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Reproductive Endocrinology",
            "state": "IN",
            "license": "01091795A",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207VE0102X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Reproductive Endocrinology",
            "state": "MA",
            "license": "286764",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.