Active NPI
Sundus K Razzaq
- Allergy & Immunology Physician
- Vienna, VA
National Provider Identifier
1851970495
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Allergy & Immunology Physician
- License
- 0101290763
- Practice address
- 1945 Old Gallows Rd Ste 205
Vienna, VA 22182-3931 - Phone
- (703) 403-5413
- NPI assigned
- Apr 2, 2021
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Allergy & Immunology Physician | 207K00000X | 0101290763 | VA | Primary |
Addresses
Primary practice location
1945 Old Gallows Rd Ste 205
Vienna, VA 22182-3931
Mailing address
23149 Flora Mure Dr
Ashburn, VA 20148-7061
Phone (276) 245-0505
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20210611000694 | NC | Order and Referring Only - Internal Medicine | 3072913102 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1617321600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787788800000",
"number": "1851970495",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "23149 FLORA MURE DR",
"city": "ASHBURN",
"state": "VA",
"postal_code": "201487061",
"telephone_number": "276-245-0505"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1945 OLD GALLOWS RD STE 205",
"city": "VIENNA",
"state": "VA",
"postal_code": "221823931",
"telephone_number": "703-403-5413"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RAZZAQ",
"first_name": "SUNDUS",
"middle_name": "K",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2021-04-02",
"last_updated": "2026-08-27",
"certification_date": "2026-08-27",
"status": "A"
},
"taxonomies": [
{
"code": "207K00000X",
"taxonomy_group": "",
"desc": "Allergy & Immunology",
"state": "VA",
"license": "0101290763",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Vienna, VA
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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.