Individual provider Active NPI

Yi-Lo Yu, M.D.

  • Obstetrics & Gynecology Physician
  • Great Barrington, MA
National Provider Identifier
1194952838
Registry record updated Dec 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
256888 Issued in MA
Practice address
27 Lewis Ave
Great Barrington, MA 01230-1886
Phone
(413) 528-1470
NPI assigned
Jun 21, 2009
Last updated
Dec 1, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 1, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 256888 MA Primary
Obstetrics & Gynecology Physician 207V00000X 81364 CT
Obstetrics & Gynecology Physician 207V00000X 320720-01 NY

Addresses

Primary practice location

27 Lewis Ave
Great Barrington, MA 01230-1886

Mailing address

27 Lewis Ave
Great Barrington, MA 01230-1886

Other identifiers 1

IdentifierTypeStateIssuer
110097222/AMedicaidMA

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
I20131209001701 MA Practitioner - Obstetrics/Gynecology 8123255692 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
University of Minnesota Medical School, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Community Health Programs IncGroup PAC ID 5799746608, 45 clinicians

Practice addresses (Care Compare)

510 N St
Pittsfield, MA 01201-5493
Phone (413) 447-2351

780 Main St
Great Barrington, MA 01230-2148
Phone (413) 528-1470

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
81364CTMDObstetrics & Gynecology Physician
320720-01NYMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Community Health Programs, Inc. Current Accepting new patients
Henry Heywood Memorial Hospital CurrentSince Jul 1, 2021 Accepting new patients
Riverbend Medical Group, Inc CurrentSince Jun 1, 2016 Accepting new patients
Athol Memorial Hospital Incorporated CurrentSince Jul 1, 2021 Accepting new patients
Community Health Programs CurrentSince Oct 29, 2023 Accepting new patients
Henry Heywood Memorial Hospital CurrentSince Jul 1, 2021 Accepting new patients
Berkshire Faculty Services Inc CurrentSince Jan 28, 2022 Accepting new patients
Heywood Medical Group Inc. Obstetrics & Gynecology CurrentSince Jul 1, 2021 Accepting new patients
Riverbend Medical Group, Inc. Obstetrics & Gynecology CurrentSince Jun 1, 2016 Accepting new patients
Fairview Hospital CurrentSince Jan 28, 2022 Accepting new patients
Community Health Programs, Inc. CurrentSince Oct 29, 2023 Accepting new patients
Riverbend Medical Group, Inc Past Accepting new patients
Community Health Programs Past Accepting new patients
Fairview Hospital Past Accepting new patients

Locations

2033 Main St
Athol, MA 01331
Phone (978) 249-1295

444 Montgomery St
Chicopee, MA 01020
Phone (413) 594-3111

242 Green St
Gardner, MA 01440
Phone (978) 258-4734

250 Green St
Gardner, MA 01440
Phone (978) 630-5050

780 S Main St
Ste 2
Gt Barrington, MA 01230
Phone (413) 447-2498

233 Carew St
#101
Springfield, MA 01104
Phone (413) 748-9212

271 Carew St
Springfield, MA 01104
Phone (413) 748-9000

Interoperability endpoints

  • Direct secure messaging: yi-lo.yu.1@3792.direct.athenahealth.com

Organizations & group practices 14

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.

View all 14

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1245542400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764547200000",
    "number": "1194952838",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "27 LEWIS AVE",
            "city": "GREAT BARRINGTON",
            "state": "MA",
            "postal_code": "012301886"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "27 LEWIS AVE",
            "city": "GREAT BARRINGTON",
            "state": "MA",
            "postal_code": "012301886",
            "telephone_number": "413-528-1470"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YU",
        "first_name": "YI-LO",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2009-06-21",
        "last_updated": "2025-12-01",
        "certification_date": "2025-12-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MA",
            "license": "256888",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CT",
            "license": "81364",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "NY",
            "license": "320720-01",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110097222/A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Great Barrington, MA

Sources for this page

Verify at the official NPI Registry.