NPIMap

Individual provider Active NPI

Michael Thiim, M.D.

  • Gastroenterology Physician
  • Haverhill, MA
National Provider Identifier
1902801509
Registry record updated Aug 4, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
79926 Issued in MA
Practice address
1 Parkway
Haverhill, MA 01830-6278
Phone
(978) 521-3270
Fax
(978) 374-6495
NPI assigned
Jun 20, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 4, 2010

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 79926 MA Primary

Addresses

Primary practice location

1 Parkway
Haverhill, MA 01830-6278

Mailing address

1 Parkway
Haverhill, MA 01830-6278
Phone (978) 521-3270

Other identifiers 11

IdentifierTypeStateIssuer
3129136MedicaidMA
989724OtherMANETWORK HEALTH
6831016OtherMAHEALTHSOURCE
F21237OtherNHANTHEM BLUE CROSS
F21237OtherMAHARVARD PILGRIM HEALTHCAR
30202213OtherNHNH MEDICAID
J30761OtherMABLUE CROSS BLUE SHIELD
0017426OtherMANEIGHBORHOOD HEALTH PLAN
29-00989OtherMAEVERCARE
7976770OtherCIGNA
758217OtherMATUFTS HEALTH CARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050118000368 MA Practitioner - GastroenterologyPractitioner - Internal Medicine 5597714535 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
State University of New York at Stony Brook, School of Medicine, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
The General Hospital CorporationGroup PAC ID 6507803806, 1,275 clinicians

Practice addresses (Care Compare)

1 Hutchinson Dr
Danvers, MA 01923-3748
Phone (978) 739-6950

55 Fruit St
Boston, MA 02114-2621
Phone (617) 726-2000

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy133
Upper gastrointestinal (GI) endoscopy for acid reflux93

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Mass General Brigham Medical Group Northern Massachusetts Inc CurrentSince Jan 1, 2026 Accepting new patients
Massachusetts General Physicians Organization Inc CurrentSince Aug 17, 1994 Accepting new patients
The General Hospital Corporation CurrentSince Dec 7, 2010 Accepting new patients
General Hospital Corp Current Accepting new patients
Mass General Brigham Community Physicians Inc CurrentSince Sep 1, 2015 Accepting new patients
Mass General Brigham Community Physicians Inc. Gastroenterology CurrentSince Sep 1, 2015 Accepting new patients

Locations

55 Fruit St
#4
Boston, MA 02114
Phone (617) 724-2229

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

102 Endicott St
Danvers, MA 01923
Phone (978) 882-6100

1 Hutchinson Dr
Danvers, MA 01923
Phone (978) 739-6950

66 E Main St
Georgetown, MA 01833
Phone (978) 352-7780

1 Parkway
Haverhill, MA 01830
Phone (978) 521-3210

500 Merrimack St
Lawrence, MA 01843
Phone (978) 557-8800

170 Governors Ave
Medford, MA 02155
Phone (781) 306-6000

Interoperability endpoints

  • Direct secure messaging: thiim.michael.mgh@direct.partners.masshiway.net

Organizations & group practices 6

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.

Hospital & facility affiliations 7

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": "1119225600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1280880000000",
    "number": "1902801509",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 PARKWAY",
            "city": "HAVERHILL",
            "state": "MA",
            "postal_code": "018306278",
            "telephone_number": "978-521-3270",
            "fax_number": "978-374-6495"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 PARKWAY",
            "city": "HAVERHILL",
            "state": "MA",
            "postal_code": "018306278",
            "telephone_number": "978-521-3270",
            "fax_number": "978-374-6495"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THIIM",
        "first_name": "MICHAEL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-20",
        "last_updated": "2010-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MA",
            "license": "79926",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3129136",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NETWORK HEALTH",
            "identifier": "989724",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHSOURCE",
            "identifier": "6831016",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM BLUE CROSS",
            "identifier": "F21237",
            "state": "NH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HARVARD PILGRIM HEALTHCAR",
            "identifier": "F21237",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NH MEDICAID",
            "identifier": "30202213",
            "state": "NH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "J30761",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NEIGHBORHOOD HEALTH PLAN",
            "identifier": "0017426",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "EVERCARE",
            "identifier": "29-00989",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "7976770",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH CARE",
            "identifier": "758217",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Haverhill, MA

Sources for this page

Verify at the official NPI Registry.