Mark A. Greenstein, MD

Primary specialty

Developmental - Behavioral Pediatrics PhysicianTaxonomy code 2080P0006X

License

025582 Issued in CT

Practice address

1000 Asylum Ave
Suite 1025
Hartford, CT 06105-1719

Phone

(860) 714-5319

Fax

(860) 714-8054

NPI assigned

Jul 13, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

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.

• Connecticut Children's Specialty Group, Inc.

  • Ophthalmology Physician
  • Glastonbury, CT
  • NPI 1568056984
  NPD
• Connecticut Children's Specialty Group, Inc.

  • Pediatrics Physician
  • Hartford, CT
  • NPI 1669448882
  NPD
• Trinity Health of New England Provider Network Organization Inc

  dba Trinity Health Of New England Medical Group

  • Internal Medicine Physician
  • Hartford, CT
  • NPI 1003882812
  NPD (past)

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

{
    "created_epoch": "1121212800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1701216000000",
    "number": "1881692721",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 ASYLUM AVE",
            "address_2": "SUITE 2109A",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061051719",
            "telephone_number": "860-714-6581",
            "fax_number": "860-714-8311"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 ASYLUM AVE",
            "address_2": "SUITE 1025",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061051719",
            "telephone_number": "860-714-5319",
            "fax_number": "860-714-8054"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREENSTEIN",
        "first_name": "MARK",
        "middle_name": "A.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-13",
        "last_updated": "2023-11-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0006X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Developmental - Behavioral Pediatrics",
            "state": "CT",
            "license": "025582",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michael Laxton Greene Sr., DDS
• Avital Greener
• Marva M Greenfield, PC, MHC, LPCA
• Diana L Greenia, APRN
• Bethany Rose Greenlaw
• Martha M. Greenwood, M.D.
• Chasen J Greig, M.D.
• David Grew, M.D.
• Serena Grewal, M.D.
• Cheryl A. Grezlik, LCSW

• Developmental - Behavioral Pediatrics Physician in Hartford, CT
• Providers in Hartford, CT by specialty
• Developmental - Behavioral Pediatrics Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 29, 2023; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.