Individual provider Active NPI

Sierra Ferguson, MD, MSC

  • Psychiatry Physician
  • Brooklyn, NY
National Provider Identifier
1689036857
Registry record updated May 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
291311 Issued in NY
Practice address
506 6TH St
Brooklyn, NY 11215-3609
Phone
(718) 780-3000
Fax
(254) 459-3760
NPI assigned
Mar 25, 2016
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 30, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 291311 NY Primary

Addresses

Primary practice location

506 6TH St
Brooklyn, NY 11215-3609

Mailing address

506 6TH St
Brooklyn, NY 11215-3609

Other practice location 1

10 Station Ln
Nyack, NY 10960-5014
Phone (917) 287-0122

Electronic endpoints 3

TypeEndpointUseAffiliation
FHIR URL https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Health Information Exchange (HIE)
FHIR URL https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/ Health Information Exchange (HIE)
Direct Messaging Address sif9020@direct.nyp.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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
I20200803000258 NY Practitioner - Psychiatry 8820342678 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Kings Physician Services PCGroup PAC ID 0547579427, 643 clinicians

Practice addresses (Care Compare)

506 6TH St
Brooklyn, NY 11215-3609

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
94.47 of 100Reported as group
Quality
84.67
Promoting interoperability
100
Improvement activities
40
Cost
71.47

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Kings Physician Services, PC CurrentSince Jul 1, 2020 Accepting new patients
Kings Physician Services, PC CurrentSince Jul 1, 2020 Accepting new patients

Locations

506 6th St
Brooklyn, NY 11215
Phone (718) 780-3279

506 6th St
Ste B
Brooklyn, NY 11215
Phone (718) 780-3677

1981 Marcus Ave
Ste 208
North New Hyde Park, NY 11042
Phone (718) 670-1415

Networks

  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H5989

Organizations & group practices 2

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 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": "1458864000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748563200000",
    "number": "1689036857",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "506 6TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112153609"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "506 6TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112153609",
            "telephone_number": "718-780-3000",
            "fax_number": "254-459-3760"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10 Station Ln",
            "address_purpose": "LOCATION",
            "city": "Nyack",
            "state": "NY",
            "postal_code": "109605014",
            "country_code": "US",
            "telephone_number": "917-287-0122",
            "fax_number": "254-459-3760",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FERGUSON",
        "first_name": "SIERRA",
        "credential": "MD, MSC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-03-25",
        "last_updated": "2025-05-30",
        "certification_date": "2025-05-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "291311",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "506 6th St",
            "city": "Brooklyn",
            "state": "NY",
            "country_code": "US",
            "postal_code": "112153609",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "506 6th St",
            "city": "Brooklyn",
            "state": "NY",
            "country_code": "US",
            "postal_code": "112153609",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "sif9020@direct.nyp.org",
            "affiliation": "N",
            "endpointDescription": "Direct Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct address",
            "address_1": "506 6th St",
            "city": "Brooklyn",
            "state": "NY",
            "country_code": "US",
            "postal_code": "112153609",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Brooklyn, NY

Sources for this page

Verify at the official NPI Registry.