Active NPI
Myung W Choi, MD
- Gastroenterology Physician
- New Haven, CT
National Provider Identifier
1023057445
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- 39675
- Practice address
- 20 York St
New Haven, CT 06510-3202 - Phone
- (203) 688-4748
- Fax
- (203) 688-4740
- NPI assigned
- Jun 5, 2006
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | 39675 | CT | Primary |
| Gastroenterology Physician | 207RG0100X | 0101055262 | VA | |
| Gastroenterology Physician | 207RG0100X | ME175128 | FL |
Addresses
Primary practice location
20 York St
New Haven, CT 06510-3202
Mailing address
20 York St
New Haven, CT 06510-3202
Phone (203) 688-4748
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1023057445 | Medicaid | VA | |
| 010242860 | Medicaid | VA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Gastroenterology
- Education
- Virginia Commonwealth University, School of Medicine, 1995
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
8640 Sudley Rd
Suite 201
Manassas, VA 20110-4404
Phone (703) 368-6819
Hospital & facility affiliations
- Uva Health Haymarket Medical Center
- Uva Health Prince William Medical Center
- HCA Florida Fort Walton-Destin Hospital
- Fauquier Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 98 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 104 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| ME175128 | FL | MD | Gastroenterology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Nymhc FPP Nephrology | Past | Accepting new patients |
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.
-
- Gastroenterology Physician
- Gainesville, VA
- NPI 1518990472
-
- Nephrology Physician
- New York, NY
- NPI 1306878657
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Warrenton, VA
- NPI 1912334517
-
- General Acute Care Hospital
- Ft Walton Beach, FL
- NPI 1639128820
-
- General Acute Care Hospital
- Haymarket, VA
- NPI 1124369137
-
- General Acute Care Hospital
- Manassas, VA
- NPI 1417005760
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149465600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787788800000",
"number": "1023057445",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "20 YORK ST",
"city": "NEW HAVEN",
"state": "CT",
"postal_code": "065103202",
"telephone_number": "203-688-4748",
"fax_number": "203-688-4740"
},
{
"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": "065103202",
"telephone_number": "203-688-4748",
"fax_number": "203-688-4740"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CHOI",
"first_name": "MYUNG",
"middle_name": "W",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-05",
"last_updated": "2026-08-27",
"certification_date": "2026-08-27",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "CT",
"license": "39675",
"primary": true
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "VA",
"license": "0101055262",
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "FL",
"license": "ME175128",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1023057445",
"state": "VA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "010242860",
"state": "VA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in New Haven, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 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.