Individual provider Active NPI

Heidi Shaifqun Ahmed, M.D.

  • Gastroenterology Physician
  • North Chelmsford, MA
National Provider Identifier
1801276472
Registry record updated Mar 16, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
275290 Issued in MA
Practice address
20 Research PL Ste 220
North Chelmsford, MA 01863-2455
Phone
(978) 459-6737
Fax
(855) 818-1869
NPI assigned
Jun 9, 2015
Last updated
Mar 16, 2022By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 16, 2022

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X R-10327 IA
Gastroenterology Physician 207RG0100X 275290 MA Primary

Addresses

Primary practice location

20 Research PL Ste 220
North Chelmsford, MA 01863-2455

Mailing address

85 E Concord St Ste 7720
Boston, MA 02118-2335
Phone (617) 638-6525

Other practice location 1

85 E Concord St Ste 7720
Boston, MA 02118
Phone (617) 638-6525

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
I20210728001933 MA Practitioner - Gastroenterology 7214240654 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
University of Iowa, RJ & L Carver College of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

300 Federal St
Suite 103
Andover, MA 01810-1038
Phone (978) 459-6737

41 Wellman St
Suite 400
Lowell, MA 01851-5161
Phone 9784596737143

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy153
Upper gastrointestinal (GI) endoscopy for acid reflux73

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
275290MAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Igc III PLLC Gastroenterology CurrentSince Dec 7, 2025 Accepting new patients

Locations

41 Wellman St
Ste 400
Lowell, MA 01851
Phone (978) 459-6737

20 Research Pl
Ste 220
North Chelmsford, MA 01863
Phone (978) 459-6737

Interoperability endpoints

  • Direct secure messaging: heidi.ahmed.1@20039.direct.athenahealth.com

Organizations & group practices 2

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": "1433808000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1647388800000",
    "number": "1801276472",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "85 E CONCORD ST STE 7720",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182335",
            "telephone_number": "617-638-6525",
            "fax_number": "617-638-6529"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 RESEARCH PL STE 220",
            "city": "NORTH CHELMSFORD",
            "state": "MA",
            "postal_code": "018632455",
            "telephone_number": "978-459-6737",
            "fax_number": "855-818-1869"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "85 E Concord St Ste 7720",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "02118",
            "country_code": "US",
            "telephone_number": "617-638-6525",
            "fax_number": "617-638-6529",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AHMED",
        "first_name": "HEIDI",
        "middle_name": "SHAIFQUN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-06-09",
        "last_updated": "2022-03-16",
        "certification_date": "2022-03-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IA",
            "license": "R-10327",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MA",
            "license": "275290",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in North Chelmsford, MA

Sources for this page

Verify at the official NPI Registry.