Abbas Alshami, MD – Internal Medicine Physician

Key facts

NPI: 1336600378
Entity type: Individual (NPI type 1)
Primary specialty: Internal Medicine Physician 207R00000X
License: 1023177 (MA)
Practice address: 1945 State Route 33
Neptune, NJ 07753-4859
Phone: (732) 776-4483
Fax: (732) 776-4798
NPI assigned: Mar 30, 2019
Sex: Male
Sole proprietor: No

Organizations & group practices 4

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.

Lahey Clinic, Inc Internal Medicine Physician · Peabody, MA · NPI 1063447316

Medicare reassignment Care Compare group NPD INTERNAL MEDICINE · MA
Lahey Clinic, Inc. Internal Medicine Physician · Burlington, MA · NPI 1538194980

Medicare reassignment Care Compare group NPD INTERNAL MEDICINE · MA
Plover Inpatient Services LLC Emergency Medicine Physician · Montclair, NJ · NPI 1134534688

Medicare reassignment NJ
Lahey Clinic, Inc. Internal Medicine Physician · Derry, NH · NPI 1669491601

Care Compare group

Hospital & facility affiliations 1

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

Lahey Clinic Hospital, Inc. General Acute Care Hospital · Burlington, MA · NPI 1558392563

Care Compare affiliation Hospital

Medicare Care Compare profile

Specialty: Internal Medicine
Education: Other, 2013
Medicare assignment: Accepts the Medicare-approved amount as payment in full
Group practices: Lahey Clinic Inc (1,381 clinicians)

Practice addresses (Care Compare)

29 Mall Rd
Burlington, MA 01805-0001

41 Mall Rd
Burlington, MA 01805-0001

Hospital & facility affiliations

Lahey Hospital & Medical Center, Burlington Hospital · Burlington, MA · CCN 220171

Medicare participation

Medicare fee-for-service enrollment: Enrolled (2 enrollments) in NJ, MA
Eligible to order & refer: Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment ID	State	Provider type	PAC ID	Details
I20221114000051	NJ	Practitioner - Internal Medicine	5092182535	Reassigns benefits to 1 organization
I20260109001747	MA	Practitioner - Internal Medicine	5092182535	Reassigns benefits to 2 organizations

National Provider Directory

Medicare enrollment (NPD): Yes
Credentials: Doctor of Medicine

State licenses

License	State	Type	Specialty
1023177	MA	MD	Internal Medicine Physician
25MA11431700	NJ	MD	Internal Medicine Physician

Practice roles

Organization	Specialty	Status	New patients
Lahey Clinic, Inc.	Internal Medicine	Current since Nov 6, 2025	Accepting new patients
Lahey Clinic, Inc	Internal Medicine	Current since Jan 1, 2026	Accepting new patients

Locations

41 Mall Rd
Burlington, MA 01805
Phone (781) 744-8400

Specialties & licenses

Specialty (taxonomy)	Code	License	State	Primary
Internal Medicine Physician	207R00000X	25MA11431700	NJ
Internal Medicine Physician	207R00000X	1023177	MA	Yes

Addresses

Primary practice location

1945 State Route 33
Neptune, NJ 07753-4859

Mailing address

PO Box 24520
New York, NY 10087-3720
Phone (781) 744-8085

Other practice location 1

41 Mall Rd
Burlington, MA 01805-0001
Phone (781) 744-8000

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API JSON format, last updated by the provider on Jan 19, 2026.

{
    "created_epoch": "1553904000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768780800000",
    "number": "1336600378",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 24520",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100873720",
            "telephone_number": "781-744-8085"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1945 STATE ROUTE 33",
            "city": "NEPTUNE",
            "state": "NJ",
            "postal_code": "077534859",
            "telephone_number": "732-776-4483",
            "fax_number": "732-776-4798"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "41 Mall Rd",
            "address_purpose": "LOCATION",
            "city": "Burlington",
            "state": "MA",
            "postal_code": "018050001",
            "country_code": "US",
            "telephone_number": "781-744-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALSHAMI",
        "first_name": "ABBAS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-30",
        "last_updated": "2026-01-19",
        "certification_date": "2026-01-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "25MA11431700",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1023177",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Neptune, NJ

All providers in Neptune, NJ · Internal Medicine Physician in New Jersey

Sources for this page

NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jan 19, 2026. Information in NPPES is self-reported and not verified by CMS.
NUCC Health Care Provider Taxonomy: specialty names.
Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
Order and Referring (CMS).
Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.