NPIMap

Individual provider Active NPI

Zafar I. Siddiqui, MD

  • Anesthesiology Physician
  • Westborough, MA
National Provider Identifier
1134189624
Registry record updated Sep 20, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
219575 Issued in MA
Practice address
21 Thomas Newton Dr
Westborough, MA 01581-1753
Phone
(508) 366-5012
NPI assigned
Mar 27, 2006
Last updated
Sep 20, 2022By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 20, 2022

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 219575 MA Primary

Addresses

Primary practice location

21 Thomas Newton Dr
Westborough, MA 01581-1753

Mailing address

21 Thomas Newton Dr
Westborough, MA 01581-1753

Other identifiers 1

IdentifierTypeStateIssuer
110035666AMedicaidMA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, NH2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20040401000906 MA Practitioner - Anesthesiology 6204828973 Reassigns benefits to 3 organizations
I20220725001591 NH Practitioner - Anesthesiology 6204828973 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 1982
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Amoskeag Anesthesia PLLCGroup PAC ID 1759375983, 165 clinicians

Practice addresses (Care Compare)

172 Kinsley St
Nashua, NH 03060-3648
Phone (603) 882-3000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
219575MAMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Amoskeag Anesthesia, PLLC Anesthesiology CurrentSince Jul 9, 2024 Accepting new patients
Dartmouth-Hitchcock Clinic CurrentSince Dec 8, 2025 Accepting new patients
Henry Heywood Memorial Hospital CurrentSince Oct 27, 2020 Accepting new patients
Henry Heywood Memorial Hospital Current Accepting new patients
Athol Memorial Hospital Incorporated CurrentSince Oct 27, 2020 Accepting new patients
Henry Heywood Memorial Hospital CurrentSince Oct 27, 2020 Accepting new patients
Dartmouth-Hitchcock Clinic Anesthesiology CurrentSince Dec 8, 2025 Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Dec 8, 2025 Accepting new patients
Atlantic Anesthesia, P.C. Anesthesiology CurrentSince Dec 8, 2019 Accepting new patients
Central Mass Anesthesia Affiliates Inc. Anesthesiology Past Accepting new patients

Locations

2033 Main St
Athol, MA 01331
Phone (978) 249-1295

242 Green St
Gardner, MA 01440
Phone (978) 258-4734

100 Morse St
Norwood, MA 02062
Phone (781) 255-0362

211 Park St
South Attleboro, MA 02703
Phone (508) 222-5200

580 Court St
Keene, NH 03431
Phone (603) 354-5454

1 Medical Dr
Lebanon, NH 03756
Phone (603) 650-5922

1 Elliot Way
Manchester, NH 03103
Phone (603) 663-2271

172 Kinsley St
Nashua, NH 03060
Phone (603) 595-3926

2221 Lakeside Blvd
Ste 600
Richardson, TX 75082
Phone (469) 998-7450

Organizations & group practices 11

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 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": "1143417600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1663632000000",
    "number": "1134189624",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21 THOMAS NEWTON DR",
            "city": "WESTBOROUGH",
            "state": "MA",
            "postal_code": "015811753"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21 THOMAS NEWTON DR",
            "city": "WESTBOROUGH",
            "state": "MA",
            "postal_code": "015811753",
            "telephone_number": "508-366-5012"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIDDIQUI",
        "first_name": "ZAFAR",
        "middle_name": "I.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-27",
        "last_updated": "2022-09-20",
        "certification_date": "2022-09-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MA",
            "license": "219575",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110035666A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Westborough, MA

Sources for this page

Verify at the official NPI Registry.