Individual provider Active NPI

Gary Alan Zimmerman, M.D.

  • Neurological Surgery Physician
  • New Haven, CT
National Provider Identifier
1265458152
Registry record updated Jul 1, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurological Surgery PhysicianTaxonomy code 207T00000X
License
035901 Issued in CT
Practice address
333 Cedar St
New Haven, CT 06510-3206
Phone
(203) 257-3663
NPI assigned
Jul 14, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 1, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurological Surgery Physician 207T00000X 035901 CT Primary

Addresses

Primary practice location

333 Cedar St
New Haven, CT 06510-3206

Mailing address

PO Box 208082
New Haven, CT 06520-8082
Phone (203) 257-3663

Other identifiers 1

IdentifierTypeStateIssuer
001359018MedicaidCT

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
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
I20101112000706 CT Practitioner - Neurosurgery 2466647607 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Neurosurgery
Education
State University of New York Downstate Medical Center, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians
Rehabilitation Associates IncGroup PAC ID 8022905322, shared by 2 NPIs, 525 clinicians

Practice addresses (Care Compare)

1 Long Wharf Dr
New Haven, CT 06511-5991
Phone (203) 764-9199

1931 Black Rock Tpke
Fairfield, CT 06825-3506
Phone (203) 384-8681

Hospital & facility affiliations

  • Yale-New Haven Hospital Hospital, New Haven, CT, CCN 070022
  • Bridgeport Hospital Hospital, Bridgeport, CT, CCN 070010

Merit-based Incentive Payment System (MIPS)

Final score
75.92 of 100Reported as group
Quality
58.9
Promoting interoperability
82
Improvement activities
40
Cost
75.83

Merit-based Incentive Payment System (MIPS)

Final score
87.36 of 100Reported as group
Quality
77.36
Promoting interoperability
100
Improvement activities
40
Cost
74.27

Procedures performed for Medicare patients

ProcedureNumber of procedures
Spinal fusion133
Laminectomy or laminotomy (partial removal of spine bones)28

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
035901CTMDNeurological Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Yale University Neurological Surgery CurrentSince Jul 1, 2024 Accepting new patients
Yale University CurrentSince Jul 1, 2024 Accepting new patients
Northeast Medical Group, Inc. Past Accepting new patients

Locations

267 Grant St
#8
Bridgeport, CT 06610
Phone (203) 362-0341

267 Grant St
Bridgeport, CT 06610
Phone (203) 384-3170

75 Kings Highway Cutoff
Fairfield, CT 06824
Phone (203) 333-1133

333 Cedar St
New Haven, CT 06510
Phone (203) 432-4771

800 Howard Ave
New Haven, CT 06519
Phone (203) 785-2140

1 Long Wharf Dr
Ste 503
New Haven, CT 06511
Phone (203) 764-9199

2909 Main St
Stratford, CT 06614
Phone (203) 377-5108

Interoperability endpoints

  • Direct secure messaging: gzimmerman5058@direct.ynhh.org

Ownership & related parties

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Bridgeport HospitalBridgeport, CT, CCN 07S010 Hospital Corporate Director Sep 27, 2012

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 3

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.

Hospital & facility affiliations 4

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": "1152835200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1719792000000",
    "number": "1265458152",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 208082",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065208082",
            "telephone_number": "203-257-3663"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 CEDAR ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103206",
            "telephone_number": "203-257-3663"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZIMMERMAN",
        "first_name": "GARY",
        "middle_name": "ALAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-14",
        "last_updated": "2024-07-01",
        "certification_date": "2024-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "CT",
            "license": "035901",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001359018",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.