Individual provider Active NPI

Michael Jonathan Older, M.D.

  • Gastroenterology Physician
  • Ayer, MA
National Provider Identifier
1194757625
Registry record updated Jan 29, 2014
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
71640 Issued in MA
Practice address
190 Groton Rd
Suite 190
Ayer, MA 01432-1124
Phone
(978) 772-3547
NPI assigned
Jul 7, 2006
Last updated
Jan 29, 2014By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 29, 2014

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 71640 MA Primary

Addresses

Primary practice location

190 Groton Rd
Suite 190
Ayer, MA 01432-1124

Mailing address

190 Groton Rd
Suite 190
Ayer, MA 01432-1124
Phone (978) 772-3547

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
I20050405000885 MA Practitioner - Internal MedicinePractitioner - Gastroenterology 3375590086 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Gastroenterology
Education
Tufts University School of Medicine, 1988
Medicare assignment
May accept Medicare assignment
Group practices
Lifespan Physician Group of Massachusetts IncGroup PAC ID 3870020399, 458 clinicians

Practice addresses (Care Compare)

88 Washington St
Taunton, MA 02780-2465
Phone (508) 828-7000

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy102
Upper gastrointestinal (GI) endoscopy for acid reflux173

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
71640MAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Lifespan Physician Group of Massachusetts Inc CurrentSince Jan 25, 2025 Accepting new patients
Steward Medical Group, Inc CurrentSince Aug 1, 2020 Accepting new patients
Steward Medical Group, Inc CurrentSince Aug 1, 2020 Accepting new patients

Locations

190 Groton Rd
Ste 190
Ayer, MA 01432
Phone (978) 772-3547

190 Groton Rd
Ste 250
Ayer, MA 01432
Phone (978) 784-9325

11 Nevins St
Ste 201
Brighton, MA 02135
Phone (617) 789-2442

100 Amesbury St
Ste 103
Lawrence, MA 01840
Phone (978) 683-0157

531 Faunce Corner Rd
North Dartmouth, MA 02747
Phone (508) 991-2255

88 Washington St
Taunton, MA 02780
Phone (508) 828-7000

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

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": "1152230400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1390953600000",
    "number": "1194757625",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "190 GROTON RD",
            "address_2": "SUITE 190",
            "city": "AYER",
            "state": "MA",
            "postal_code": "014321124",
            "telephone_number": "978-772-3547"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "190 GROTON RD",
            "address_2": "SUITE 190",
            "city": "AYER",
            "state": "MA",
            "postal_code": "014321124",
            "telephone_number": "978-772-3547"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLDER",
        "first_name": "MICHAEL JONATHAN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-07",
        "last_updated": "2014-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MA",
            "license": "71640",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ayer, MA

Sources for this page

Verify at the official NPI Registry.