Active NPI
Cynthia S Tsai, D.O.
- Pulmonary Disease Physician
- Atlanta, GA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pulmonary Disease Physician
- License
- 97050
- Practice address
- 57 Executive Park S Ste 400
Atlanta, GA 30329-2249 - Phone
- (404) 778-3261
- Fax
- (404) 325-2708
- NPI assigned
- Feb 23, 2011
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | 97050 | GA | |
| Internal Medicine Physician | 207R00000X | OTO14054 | PA | |
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | OS016356 | PA | |
| Pulmonary Disease Physician | 207RP1001X | 97050 | GA | Primary |
Addresses
Primary practice location
57 Executive Park S Ste 400
Atlanta, GA 30329-2249
Mailing address
57 Executive Park S Ste 400
Atlanta, GA 30329-2249
Phone (404) 778-3261
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | ctsai93030@direct.geisinger.edu | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA, GA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Pulmonary Disease
- Education
- Nova Southeastern College of Osteo Medicine, 2011
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1365 Clifton Rd NE
Atlanta, GA 30322-1013
Phone (404) 778-7525
2201 Henderson Mill Rd NE
Atlanta, GA 30345-2711
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| OTO14054 | PA | MD | Internal Medicine Physician |
| 97050 | GA | MD | Pulmonary Disease Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| The Emory Clinic Inc | Internal Medicine | Current | Accepting new patients |
| Geisinger Clinic | Current | Accepting new patients | |
| Geisinger Clinic | Current | Accepting new patients | |
| Geisinger Clinic | Current | Accepting new patients | |
| Geisinger-HM Joint Venture, LLC | Current | Accepting new patients | |
| Geisinger-HM Joint Venture, LLC | Current | Accepting new patients | |
| Emory Health Care | Past | Accepting new patients |
Locations
1365 Clifton Rd NE
Atlanta, GA 30322
Phone (404) 778-7525
2201 Henderson Mill Rd NE
Ste 160
Atlanta, GA 30345
Phone (404) 251-2193
100 N Academy Ave
Danville, PA 17822
10 Choate Cir
Montoursville, PA 17754
Phone (570) 368-5566
255 Route 220 Hwy
Muncy, PA 17756
Phone (570) 308-2600
Interoperability endpoints
- ctsai93030@direct.geisinger.edu
- ctsai859589@direct.emory.org
Organizations & group practices 7
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.
-
- Internal Medicine Physician
- Atlanta, GA
- NPI 1396798229
-
- Family Medicine Physician
- Danville, PA
- NPI 1366493868
-
- Family Medicine Physician
- Lock Haven, PA
- NPI 1144876137
-
- Family Medicine Physician
- Belleville, PA
- NPI 1114453420
-
- Diagnostic Radiology Physician
- Danville, PA
- NPI 1558313023
-
- Family Medicine Physician
- Williamsport, PA
- NPI 1073075909
-
- Neurology Physician
- Atlanta, GA
- NPI 1376642751
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Atlanta, GA
- NPI 1144203563
-
- General Acute Care Hospital
- Johns Creek, GA
- NPI 1679632137
-
- General Acute Care Hospital
- Atlanta, GA
- NPI 1588640692
-
- General Acute Care Hospital
- Atlanta, GA
- NPI 1770560294
-
- General Acute Care Hospital
- Lawrenceville, GA
- NPI 1952340994
-
- General Acute Care Hospital
- Atlanta, GA
- NPI 1679664395
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1298419200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773014400000",
"number": "1033416391",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "57 EXECUTIVE PARK S STE 400",
"city": "ATLANTA",
"state": "GA",
"postal_code": "303292249",
"telephone_number": "404-778-3261",
"fax_number": "404-325-2708"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "57 EXECUTIVE PARK S STE 400",
"city": "ATLANTA",
"state": "GA",
"postal_code": "303292249",
"telephone_number": "404-778-3261",
"fax_number": "404-325-2708"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TSAI",
"first_name": "CYNTHIA",
"middle_name": "S",
"credential": "D.O.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2011-02-23",
"last_updated": "2026-03-09",
"certification_date": "2026-03-09",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Critical Care Medicine",
"state": "GA",
"license": "97050",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "PA",
"license": "OTO14054",
"primary": false
},
{
"code": "207RC0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Critical Care Medicine",
"state": "PA",
"license": "OS016356",
"primary": false
},
{
"code": "207RP1001X",
"taxonomy_group": "",
"desc": "Internal Medicine, Pulmonary Disease",
"state": "GA",
"license": "97050",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "ctsai93030@direct.geisinger.edu",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "100 N Academy Ave",
"city": "Danville",
"state": "PA",
"country_code": "US",
"postal_code": "178220001",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Atlanta, GA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 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.