Active NPI
Potomac Medical Center PC
- Allergy & Immunology (Internal Medicine) Physician
- Falls Church, VA
National Provider Identifier
1619078003
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Allergy & Immunology (Internal Medicine) Physician
- Legal business name
- POTOMAC MEDICAL CENTER PC
- Practice address
- 6404 Seven Corners Place
#G
Falls Church, VA 22044 - Phone
- (703) 237-2488
- Fax
- (703) 237-2492
- NPI assigned
- Sep 26, 2006
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Richard Phay Tu, MD
- Title
- Secretary
- Phone
- (703) 237-2488
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | |||
| Allergy & Immunology (Internal Medicine) Physician | 207RA0201X | Primary |
Addresses
Primary practice location
6404 Seven Corners Place
#G
Falls Church, VA 22044
Mailing address
6404 Seven Corners PL
#G
Falls Church, VA 22044-2034
Phone (703) 237-2488
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC
Enrollment records 1
National Provider Directory
National Provider Directory- Tax ID family
- Potomac Medical Center
Other organizations with this tax ID 1
Organizations that report the same tax identification number in the National Provider Directory.
-
- Pediatrics Physician
- Falls Church, VA
- NPI 1437239944
Practitioners & affiliated clinicians
Practitioners 3
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1159228800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1757548800000",
"number": "1619078003",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6404 SEVEN CORNERS PL",
"address_2": "#G",
"city": "FALLS CHURCH",
"state": "VA",
"postal_code": "220442034",
"telephone_number": "703-237-2488",
"fax_number": "703-237-2492"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6404 SEVEN CORNERS PLACE",
"address_2": "#G",
"city": "FALLS CHURCH",
"state": "VA",
"postal_code": "22044",
"telephone_number": "703-237-2488",
"fax_number": "703-237-2492"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "POTOMAC MEDICAL CENTER PC",
"organizational_subpart": "NO",
"enumeration_date": "2006-09-26",
"last_updated": "2025-09-11",
"status": "A",
"authorized_official_last_name": "TU",
"authorized_official_first_name": "RICHARD",
"authorized_official_middle_name": "PHAY",
"authorized_official_title_or_position": "SECRETARY",
"authorized_official_telephone_number": "703-237-2488",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine",
"state": null,
"license": null,
"primary": false
},
{
"code": "207RA0201X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Allergy & Immunology",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Falls Church, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.