Individual provider Active NPI

Syed Osama Ahmad, MD

  • Internal Medicine Physician
  • Chicago, IL
National Provider Identifier
1659987683
Registry record updated Aug 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
1014074 Issued in MA
Practice address
2900 N Lake Shore Dr
Chicago, IL 60657-5640
Phone
(773) 665-6730
Fax
(773) 665-3228
NPI assigned
Sep 15, 2020
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 31, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036163816 IL
Internal Medicine Physician 207R00000X 1014074 MA Primary
Student in an Organized Health Care Education/Training Program 390200000X 125075474 IL

Addresses

Primary practice location

2900 N Lake Shore Dr
Chicago, IL 60657-5640

Mailing address

PO Box 415348
Boston, MA 02241-5348
Phone (800) 225-8885

Other practice location 1

60 Hospital Rd
Leominster, MA 01453-2205
Phone (978) 466-4169

Other practice location 2

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

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address syed.ahmad@amitahealth.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, IL2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20230523000772 MA Practitioner - Hospitalist 4789040452 Reassigns benefits to 7 organizations
I20251017000994 IL Practitioner - Internal Medicine 4789040452 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Lawrence General HospitalGroup PAC ID 5092725200, 124 clinicians
Lowell General Inpatient Specialists PLLCGroup PAC ID 8729371380, 70 clinicians
Community Medical Associates, Inc.Group PAC ID 6002946928, 155 clinicians
Berkshire Medical Center IncGroup PAC ID 1355232711, 195 clinicians

Practice addresses (Care Compare)

1 General St
Lawrence, MA 01841-2961
Phone 97868340002979

295 Varnum Ave
Lowell, MA 01854-2134
Phone (978) 937-6439

70 E St
Methuen, MA 01844-4597
Phone (978) 687-0151

725 N St
Pittsfield, MA 01201-4109
Phone (413) 447-2000

Hospital & facility affiliations

  • Lowell General Hospital Hospital, Lowell, MA, CCN 220063
  • Berkshire Medical Center Hospital, Pittsfield, MA, CCN 220046
  • Anna Jaques Hospital Hospital, Newburyport, MA, CCN 220029
  • Holy Family Hospital Hospital, Methuen, MA, CCN 220080
  • North Adams Regional Hospital Corporation Hospital, North Adams, MA, CCN 221304

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1014074MAMDInternal Medicine Physician
125075474ILMDStudent in an Organized Health Care Education/Training Program

Practice roles

OrganizationSpecialtyStatusNew patients
Berkshire Medical Center Inc. CurrentSince Mar 28, 2024 Accepting new patients
Community Medical Associates, Inc. CurrentSince Feb 1, 2025 Accepting new patients
Dana-Farber Cancer Institute, Inc. CurrentSince Dec 1, 2023 Accepting new patients
Cep America-Illinois Hospitalists, LLP Internal Medicine Current Accepting new patients
Cep America-Illinois Hospitalists, LLP Internal Medicine CurrentSince Dec 1, 2025 Accepting new patients
Central PA Pharmacy LLC. Current Accepting new patients
Mass General Brigham Medical Group Northern Massachusetts Inc Internal Medicine CurrentSince Nov 17, 2023 Accepting new patients
Dana-Farber Cancer Institute, Inc. CurrentSince Dec 1, 2023 Accepting new patients
Osf Multi-Specialty Group Internal Medicine CurrentSince Oct 7, 2025 Accepting new patients
Lawrence General Hospital CurrentSince Apr 21, 2025 Accepting new patients
Lowell General Inpatient Specialists PLLC Internal Medicine CurrentSince Dec 1, 2024 Accepting new patients
Lawrence General Hospital CurrentSince Apr 21, 2025 Accepting new patients
Cep America-Illinois Hospitalists CurrentSince Dec 1, 2025 Accepting new patients
Brigham & Womens Physicians Organization Inc Internal Medicine CurrentSince Jun 14, 2023 Accepting new patients
Dana-Farber Cancer Institute, Inc. CurrentSince Dec 1, 2023 Accepting new patients
Anna Jaques Inpatient Specialists PLLC Internal Medicine CurrentSince Dec 1, 2024 Accepting new patients
Berkshire Medical Center, Inc CurrentSince Mar 28, 2024 Accepting new patients
Lawrence General Hospital Internal Medicine Current Accepting new patients

Locations

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

1 Saint Elizabeth Blvd
O Fallon, IL 62269
Phone 618234212012438

8600 State Route 91
Ste 130
Peoria, IL 61615
Phone (309) 683-5050

800 E Carpenter St
Springfield, IL 62702
Phone (217) 525-5643

75 Francis St
Boston, MA 02115

450 Brookline Ave
Boston, MA 02215
Phone (508) 478-2061

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

140 Lincoln Ave
Haverhill, MA 01830
Phone (978) 374-2000

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

1 General St
Lawrence, MA 01841
Phone (978) 946-8103

295 Varnum Ave
Lowell, MA 01854
Phone (978) 788-7344

70 East St
Methuen, MA 01844
Phone (978) 682-1906

25 Highland Ave
Newburyport, MA 01950
Phone (978) 258-4734

725 North St
Pittsfield, MA 01201
Phone (413) 447-2839

81 Highland Ave
Salem, MA 01970
Phone (978) 354-4009

1 Harbison Way
Ste 222
Columbia, SC 29212

Interoperability endpoints

  • Direct secure messaging: sahmad133655@tuftsmedicine.direct-ci.com

Organizations & group practices 18

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.

View all 18

Hospital & facility affiliations 5

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": "1600128000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788134400000",
    "number": "1659987683",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 415348",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022415348",
            "telephone_number": "800-225-8885",
            "fax_number": "508-334-1977"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2900 N LAKE SHORE DR",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606575640",
            "telephone_number": "773-665-6730",
            "fax_number": "773-665-3228"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "60 Hospital Rd",
            "address_purpose": "LOCATION",
            "city": "Leominster",
            "state": "MA",
            "postal_code": "014532205",
            "country_code": "US",
            "telephone_number": "978-466-4169",
            "fax_number": "978-466-4017",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-732-5500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AHMAD",
        "first_name": "SYED",
        "middle_name": "OSAMA",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-09-15",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036163816",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1014074",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "IL",
            "license": "125075474",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "syed.ahmad@amitahealth.org",
            "affiliation": "N",
            "endpointDescription": "work email address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "email",
            "address_1": "2900 N Lake Shore Dr",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606575640",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.