Shahab Shayesteh, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1022825 Issued in MA

Practice address

133 Old Road to 9 Acre Cor
Concord, MA 01742-4159

Phone

(978) 287-3321

Fax

(978) 287-3102

NPI assigned

Mar 28, 2021

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

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

Specialty

Internal Medicine

Education

Other, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Emerson Practice Associates, IncGroup PAC ID 8123188117, 247 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Emerson Hospital - Hospital, W Concord, MA, CCN 220084

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Emerson Practice Associates, Inc.

  • Internal Medicine Physician
  • Concord, MA
  • NPI 1508020199
  Medicare reassignment Care Compare group NPD
• Emerson Hospital

  • General Acute Care Hospital
  • Concord, MA
  • NPI 1922103357
  NPD (past)

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

• Emerson Hospital

  • General Acute Care Hospital
  • Concord, MA
  • NPI 1922103357
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1616889600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776038400000",
    "number": "1083291603",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 411581",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022419095",
            "telephone_number": "978-287-3321"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 OLD ROAD TO 9 ACRE COR",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017424159",
            "telephone_number": "978-287-3321",
            "fax_number": "978-287-3102"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHAYESTEH",
        "first_name": "SHAHAB",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-03-28",
        "last_updated": "2026-04-13",
        "certification_date": "2026-04-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1022825",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MA",
            "license": "1022825",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nicholas Sever, PA-C
• SFS Psychiatry, LLC
• Karen Jo Giammusso Shapiro, PSY.D.
• Alieh Sharifi
• Sharon Curtin Psychiatry
• Jennifer Shea, LICSW
• Michael Shear, M.D.
• Nicole Sheehan
• David A Sherman, M.D.
• Suzanne Sherman, LICSW

• Internal Medicine Physician in Concord, MA
• Providers in Concord, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (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.