Active NPI
Seth A. Mandel, M.D.
- Psychiatry Physician
- Tallahassee, FL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 205302
- 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, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01733426 | Medicaid | NY |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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, SD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 5
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
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 100
- Quality
- 5.54
- Improvement activities
- 40
- Cost
- 66.19
Merit-based Incentive Payment System (MIPS)
- Final score
- 90.52 of 100
- Quality
- 68.64
- Promoting interoperability
- 91
- Improvement activities
- 40
- Cost
- 86.31
Merit-based Incentive Payment System (MIPS)
- Final score
- 81.81 of 100
- 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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Winnebago Tribe of Nebraska | Current | Accepting new patients | |
| North Shore-Lij Medical PC | Current | Accepting new patients | |
| Harmony United Florida, LLC | Psychiatry | Current | Accepting new patients |
| Rosebud Indian Health Service | Current | Accepting new patients | |
| Winnebago Tribe of Nebraska | Current | Accepting new patients | |
| Woodrow Wilson Keeble Memorial Health Care Center | Current | Accepting new patients | |
| Great Plains Tribal Chairmen's Health Board | Current | Accepting new patients | |
| Huntington Hospital Association | Psychiatry | Current | Accepting new patients |
| Hamilton Behavioral MD PA | Current | Accepting new patients | |
| MCCD FL Psychiatry Services PA | Psychiatry | Current | Accepting new patients |
| Serenity TMS Centers LLC | Psychiatry | Current | Accepting new patients |
| North Shore - Lij Medical PC | Current | Accepting new patients | |
| Rosebud Indian Health Service | Current | Accepting new patients | |
| Lower Brule Health Center IHS | Current | Accepting new patients | |
| Huntington Hospital Association | Current | Accepting new patients | |
| Quentin N Burdick Comprehensive Health Care Facility | Current | Accepting new patients | |
| Park Avenue Medical Associates, P.C. | Past | 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.
-
dba Talkiatry
- Psychiatry Physician
- Jacksonville, FL
- NPI 1659003457
SD
-
dba Oyate Health Center
- Pharmacy
- Rapid City, SD
- NPI 1376105452
TX
-
- Rural Acute Care Hospital
- Belcourt, ND
- NPI 1952346934
TX
-
- Psychiatry Physician
- Winter Garden, FL
- NPI 1063842870
-
- Endocrinology, Diabetes & Metabolism Physician
- Paramus, NJ
- NPI 1548500408
-
dba Huntington Hospital Faculty Practice
- Physician Assistant
- Huntington, NY
- NPI 1386619385
Psychiatry
-
dba NHPP Cardiology at Great Neck
- Urology Physician
- Great Neck, NY
- NPI 1053688572
-
dba Rosebud Indian Health Service Hospital
- General Acute Care Hospital
- Rosebud, SD
- NPI 1194757369
TX
-
dba Serenity Mental Health Centers
- Psychiatry Physician
- Lehi, UT
- NPI 1710492095
FL
-
dba Winnebago Comprehensive Healthcare Systems
- Clinic/Center
- Winnebago, NE
- NPI 1033608328
TX
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Rural Acute Care Hospital
- Belcourt, ND
- NPI 1952346934
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 2026; 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.