Individual provider Active NPI

Grace Siman Zhu

  • Pediatric Dentistry
  • New Haven, CT
National Provider Identifier
1073178752
Registry record updated Sep 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric DentistryTaxonomy code 1223P0221X
License
DDS111001 Issued in CA
Practice address
20 York St
New Haven, CT 06510-3220
Phone
(203) 688-4242
NPI assigned
May 7, 2019
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 30, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric DentistryGroup: 193200000X MULTI-SPECIALTY GROUP 1223P0221X DDS111001 CA Primary
Pediatric DentistryGroup: 193200000X MULTI-SPECIALTY GROUP 1223P0221X DS043027 PA

Addresses

Primary practice location

20 York St
New Haven, CT 06510-3220

Mailing address

136 Greenwood Cir
Walnut Creek, CA 94597-2123
Phone (925) 330-1162

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: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190822001223 CT Order and Referring Only - DentistPractitioner - Dentist 2961730411

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
DDS111001CAMDPediatric Dentist
DS043027PAMDPediatric Dentist
12487CTMDPhysical Therapist

NPI Registry JSON

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

{
    "created_epoch": "1557187200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759190400000",
    "number": "1073178752",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "136 GREENWOOD CIR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945972123",
            "telephone_number": "925-330-1162"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4242"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZHU",
        "first_name": "GRACE",
        "middle_name": "SIMAN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-05-07",
        "last_updated": "2025-09-30",
        "certification_date": "2025-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223P0221X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dentist, Pediatric Dentistry",
            "state": "CA",
            "license": "DDS111001",
            "primary": true
        },
        {
            "code": "1223P0221X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dentist, Pediatric Dentistry",
            "state": "PA",
            "license": "DS043027",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.