Individual provider Active NPI

Seth A. Mandel, M.D.

  • Psychiatry Physician
  • Tallahassee, FL
National Provider Identifier
1255444022
Registry record updated Oct 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
205302 Issued in NY
Practice address
101 N. Monroe Street
Suite 800 (Private Office 860)
Tallahassee, FL 32301-1500
Phone
(833) 351-8255
Fax
(888) 815-3583
NPI assigned
Aug 16, 2006
Last updated
Oct 9, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 9, 2026

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 205302 NY Primary

Addresses

Primary practice location

101 N. Monroe Street
Suite 800 (Private Office 860)
Tallahassee, FL 32301-1500

Mailing address

109 W. 27TH Street
Suite 5S
New York, NY 10001
Phone (833) 351-8255

Other practice location 1

1500 K Street
2nd floor (Private Office TT-258)
Washington, DC 20005
Phone (833) 351-8255

Other practice location 2

12020 Shamrock Plaza
Suite 200
Omaha, NE 68154
Phone (833) 351-8255

Other practice location 3

53 Frontage Rd
1st Floor (Private Office 114)
Hampton, NJ 08827
Phone (833) 351-8255

Other practice location 4

109 W 27th St
Suite 5S
New York, NY 10001
Phone (833) 351-8255

Other practice location 5

101 S. Reid Street
Private Office 307
Sioux Falls, SD 57103
Phone (833) 351-8255

Other practice location 6

1000 Lafayette Blvd.
Suite 110 (Private Office 1146)
Bridgeport, CT 06604
Phone (833) 351-8255

Other identifiers 1

IdentifierTypeStateIssuer
01733426MedicaidNY

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://www.cms.gov/research-statistics-data-systems/electronic-submission-medical-documentation-esmd/cms-health-information-handler Other CMS HIH

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, TX, NJ, FL, SD5 enrollments
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 5

Enrollment IDStateProvider typePAC IDDetails
I20061024000538 NY Practitioner - Psychiatry 4688671209 Reassigns benefits to 2 organizations
I20190626002493 TX Practitioner - PsychiatryPractitioner - Internal Medicine 4688671209 Reassigns benefits to 6 organizations
I20200615002241 NJ Practitioner - Psychiatry 4688671209 Reassigns benefits to 1 organization
I20240419003059 FL Practitioner - Psychiatry 4688671209 Reassigns benefits to 3 organizations
I20250701003055 SD Practitioner - Psychiatry 4688671209 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Other, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Woodrow Wilson Keeble Memorial Health Care CenterGroup PAC ID 1850295940, 23 clinicians
MCCD FL Psychiatry Services PAGroup PAC ID 4880064070, 751 clinicians
Great Plains Tribal Chairmen's Health BoardGroup PAC ID 0648609917, 64 clinicians
Lower Brule Health Center IHSGroup PAC ID 8224023585, 4 clinicians
Quentin N Burdick Comprehensive Health Care FacilityGroup PAC ID 5496651853, 38 clinicians

Practice addresses (Care Compare)

100 Lake Traverse Dr
Sisseton, SD 57262-7046
Phone (605) 698-7606

101 S Reid St
Sioux Falls, SD 57103-7030
Phone (833) 351-8255

1301 Riverplace Blvd
Suite 800
Jacksonville, FL 32207-9032
Phone (833) 351-8255

3200 Canyon Lake Dr
Rapid City, SD 57702-8114
Phone 60535525002356

601 Gall St
Lower Brule, SD 57548-0248
Phone (605) 473-8206

P O Box
Suite 189
Sisseton, SD 57262-0189

PO Box
160 1300 Hospital Loop
Belcourt, ND 58316-0160

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
42.91 of 100Reported as group
Quality
5.54
Improvement activities
40
Cost
66.19

Merit-based Incentive Payment System (MIPS)

Final score
90.52 of 100Reported as group
Quality
68.64
Promoting interoperability
91
Improvement activities
40
Cost
86.31

Merit-based Incentive Payment System (MIPS)

Final score
81.81 of 100Reported as group
Quality
80.53
Improvement activities
40
Cost
75.08

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Winnebago Tribe of Nebraska CurrentSince Mar 20, 2022 Accepting new patients
North Shore-Lij Medical PC CurrentSince Jul 28, 2018 Accepting new patients
Harmony United Florida, LLC Psychiatry CurrentSince Sep 1, 2024 Accepting new patients
Rosebud Indian Health Service CurrentSince Jul 25, 2023 Accepting new patients
Winnebago Tribe of Nebraska CurrentSince Mar 20, 2022 Accepting new patients
Woodrow Wilson Keeble Memorial Health Care Center CurrentSince Dec 18, 2019 Accepting new patients
Great Plains Tribal Chairmen's Health Board CurrentSince Mar 1, 2020 Accepting new patients
Huntington Hospital Association Psychiatry CurrentSince Feb 12, 2017 Accepting new patients
Hamilton Behavioral MD PA CurrentSince May 1, 2020 Accepting new patients
MCCD FL Psychiatry Services PA Psychiatry CurrentSince Mar 17, 2025 Accepting new patients
Serenity TMS Centers LLC Psychiatry CurrentSince Mar 12, 2024 Accepting new patients
North Shore - Lij Medical PC CurrentSince Jul 28, 2018 Accepting new patients
Rosebud Indian Health Service CurrentSince Jul 25, 2023 Accepting new patients
Lower Brule Health Center IHS CurrentSince Apr 21, 2021 Accepting new patients
Huntington Hospital Association CurrentSince Feb 12, 2017 Accepting new patients
Quentin N Burdick Comprehensive Health Care Facility CurrentSince Dec 15, 2020 Accepting new patients
Park Avenue Medical Associates, P.C. PastSince Dec 4, 1999 Accepting new patients
Haaku Health Past Accepting new patients

Locations (25 of 34)

1301 Riverplace Blvd
Jacksonville, FL 32207

1301 Riverplace Blvd
Ste 800
Jacksonville, FL 32207
Phone (904) 567-6040

841 Prudential Dr
Ste 1100
Jacksonville, FL 32207
Phone (904) 344-3489

255 Primera Blvd
Ste 264
Lake Mary, FL 32746
Phone (689) 206-0540

255 Primera Blvd
Ste 520
Lake Mary, FL 32746
Phone (689) 282-6774

3235 SW 34th St
Ocala, FL 34474
Phone 3525059115 ext. 100

1277 N Semoran Blvd
Ste 112
Orlando, FL 32807
Phone (800) 457-4457

9102 Southpark Center Loop
Ste 120
Orlando, FL 32819
Phone (689) 282-6774

9400 Southpark Center Loop
Ste 450
Orlando, FL 32819
Phone (689) 282-6774

203 Fort Wade Rd
Unit 250
Ponte Vedra Beach, FL 32081
Phone (904) 902-4408

203 Fort Wade Rd
Unit 260
Ponte Vedra Beach, FL 32081
Phone (904) 344-3613

101 N Monroe St
Ste 800
Tallahassee, FL 32301
Phone (321) 300-2108

15544 W Colonial Dr
Winter Garden, FL 34787
Phone (352) 504-0340

1300 Hospital Loop
Belcourt, ND 58316

12020 Shamrock Plz
Ste 200
Omaha, NE 68154
Phone (402) 659-1621

225 Bluff St
Winnebago, NE 68071
Phone (402) 745-3950

300 Forest Ave
#A
Paramus, NJ 07652
Phone (201) 490-5158

10201 66th Rd
Forest Hills, NY 11375
Phone (718) 830-4091

7559 263rd St
Glen Oaks, NY 11004
Phone (718) 470-8005

611 Northern Blvd
Great Neck, NY 11021
Phone (516) 325-7000

270 Park Ave
Huntington, NY 11743
Phone (631) 351-2308

270 Park Ave
Fl 1
Huntington, NY 11743
Phone (631) 351-2219

1554 Northern Blvd
Manhasset, NY 11030
Phone (516) 390-9242

300 Community Dr
Manhasset, NY 11030

1000 10th Ave
New York, NY 10019
Phone (212) 523-2369

Organizations & group practices 18

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.

View all 18

Hospital & facility affiliations 1

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": "1155686400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791504000000",
    "number": "1255444022",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "109 W. 27TH STREET",
            "address_2": "SUITE 5S",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "10001",
            "telephone_number": "833-351-8255",
            "fax_number": "888-815-3583"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 N. MONROE STREET",
            "address_2": "SUITE 800 (PRIVATE OFFICE 860)",
            "city": "TALLAHASSEE",
            "state": "FL",
            "postal_code": "323011500",
            "telephone_number": "833-351-8255",
            "fax_number": "888-815-3583"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 K Street",
            "address_2": "2nd floor (Private Office TT-258)",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "DC",
            "postal_code": "20005",
            "country_code": "US",
            "telephone_number": "833-351-8255",
            "fax_number": "888-815-3583",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "12020 Shamrock Plaza",
            "address_2": "Suite 200",
            "address_purpose": "LOCATION",
            "city": "Omaha",
            "state": "NE",
            "postal_code": "68154",
            "country_code": "US",
            "telephone_number": "833-351-8255",
            "fax_number": "888-815-3583",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "53 Frontage Rd",
            "address_2": "1st Floor (Private Office 114)",
            "address_purpose": "LOCATION",
            "city": "Hampton",
            "state": "NJ",
            "postal_code": "08827",
            "country_code": "US",
            "telephone_number": "833-351-8255",
            "fax_number": "888-815-3583",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "109 W 27th St",
            "address_2": "Suite 5S",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "10001",
            "country_code": "US",
            "telephone_number": "833-351-8255",
            "fax_number": "888-815-3583",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "101 S. Reid Street",
            "address_2": "Private Office 307",
            "address_purpose": "LOCATION",
            "city": "Sioux Falls",
            "state": "SD",
            "postal_code": "57103",
            "country_code": "US",
            "telephone_number": "833-351-8255",
            "fax_number": "888-815-3583",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1000 Lafayette Blvd.",
            "address_2": "Suite 110 (Private Office 1146)",
            "address_purpose": "LOCATION",
            "city": "Bridgeport",
            "state": "CT",
            "postal_code": "06604",
            "country_code": "US",
            "telephone_number": "833-351-8255",
            "fax_number": "888-815-3583",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MANDEL",
        "first_name": "SETH",
        "middle_name": "A.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-16",
        "last_updated": "2026-10-09",
        "certification_date": "2026-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "205302",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01733426",
            "state": "NY"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://www.cms.gov/research-statistics-data-systems/electronic-submission-medical-documentation-esmd/cms-health-information-handler",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.13.34.110.1.998.01",
            "affiliationName": "CMS HIH",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS HIH",
            "address_1": "7500 Security Blvd",
            "city": "Baltimore",
            "state": "MD",
            "country_code": "US",
            "postal_code": "212441849",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Tallahassee, FL

Sources for this page

Verify at the official NPI Registry.