Active NPI
Ivan Aksentijevich, M.D.
- Hematology & Oncology Physician
- Alexandria, VA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- 0101234651
- Practice address
- 4660 Kenmore Ave Ste 1018
Alexandria, VA 22304-1306 - Phone
- (571) 483-1800
- Fax
- (703) 823-5723
- NPI assigned
- Mar 8, 2006
- Last updated
- Nov 11, 2025
- 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 |
|---|---|---|---|---|
| Hematology (Internal Medicine) Physician | 207RH0000X | 0101234651 | VA | |
| Hematology & Oncology Physician | 207RH0003X | 0101234651 | VA | Primary |
| Medical Oncology Physician | 207RX0202X | 0101234651 | VA |
Addresses
Primary practice location
4660 Kenmore Ave Ste 1018
Alexandria, VA 22304-1306
Mailing address
3040 Williams Dr
Suite 100
Fairfax, VA 22031-4618
Phone (703) 208-3963
Other identifiers 14
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 08700018 | Other | VA | BCBS NCA CARE FIRST |
| 541795091 | Other | VA | PHCS POS/PPO |
| 7501495 | Other | VA | AETNA PPO |
| 6252107 | Other | VA | CIGNA HMO/POS/PPO |
| 3212244 | Other | VA | AETNA HMO |
| 386769 | Other | VA | ANTHEM/TRIGON |
| 541795091 | Other | VA | ONE HEALTH PLAN |
| 560987 | Other | VA | NCPPO |
| 1982672937 | Medicaid | VA | |
| 316256-2107058 | Other | VA | MAMSI/ OP CHOICE/ALLIANCE |
| 541795091-2067228 | Other | VA | FIRST HEALTH |
| 541795091 | Other | VA | CHOICE CARE |
| 2311042 | Other | VA | UNITED HEALTHCARE |
| 541795091 | Other | VA | TRICARE |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | ivan.aksentijevich@vcs.ikm.direct-ci.com | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC, VA
- 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
- Hematology/Oncology
- Education
- Other, 1986
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
2280 Opitz Blvd
Suite 130
Woodbridge, VA 22191-3362
Phone (703) 986-1600
4660 Kenmore Ave
Suite 1018
Alexandria, VA 22304-1306
Phone (571) 483-1800
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0101234651 | VA | MD | Hematology & Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Virginia Cancer Specialists, P.C. | Hematology | Current | Accepting new patients |
| Virginia Cancer Specialists, P.C. | Hematology & Oncology | Current | Accepting new patients |
| Hospital Physician Services, LLLP | Internal Medicine | Past | Accepting new patients |
Locations
277 S Washington St
Ste 100
Alexandria, VA 22314
Phone (571) 366-5792
4660 Kenmore Ave
Ste 1018
Alexandria, VA 22304
Phone (571) 483-1800
1100 N Glebe Rd
Ste 1600
Arlington, VA 22201
1635 N George Mason Dr
Ste 170
Arlington, VA 22205
Phone (703) 528-7303
3040 Williams Dr
Ste 100
Fairfax, VA 22031
3700 Joseph Siewick Dr
Ste 408
Fairfax, VA 22033
Phone (703) 391-3620
8613 Route 29
Ste 100N
Fairfax, VA 22031
Phone (703) 934-4450
44035 Riverside Pkwy
Ste 300
Leesburg, VA 20176
Phone (703) 208-3155
44035 Riverside Pkwy
Ste 310
Leesburg, VA 20176
9450 Innovation Dr
Manassas, VA 20110
Phone (571) 222-2200
1860 Town Center Dr
Ste 460
Reston, VA 20190
Phone (703) 437-6535
210 W Shirley Ave
#111
Warrenton, VA 20186
Phone (703) 208-9331
210 W Shirley Ave
Ste 192
Warrenton, VA 20186
Phone (540) 316-4360
2280 Opitz Blvd
#130
Woodbridge, VA 22191
Phone (703) 897-5358
2280 Opitz Blvd
Ste 130
Woodbridge, VA 22191
Phone (713) 508-4005
2280 Opitz Blvd
Ste 300
Woodbridge, VA 22191
Phone (703) 897-5358
Interoperability endpoints
- ivan.aksentijevich@vcs.ikm.direct-ci.com
Organizations & group practices 3
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.
-
- General Acute Care Hospital
- Westminster, MD
- NPI 1457302713
Internal Medicine
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Inova Alexandria Hospital
- General Acute Care Hospital
- Alexandria, VA
- NPI 1255684460
-
dba Inova Fairfax Hospital
- Rehabilitation Hospital Unit
- Falls Church, VA
- NPI 1588795462
-
dba Inova Fairfax Hospital
- General Acute Care Hospital
- Falls Church, VA
- NPI 1831220714
-
dba Inova Mount Vernon Hospital
- General Acute Care Hospital
- Alexandria, VA
- NPI 1922139120
-
- General Acute Care Hospital
- Arlington, VA
- NPI 1790785996
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1141776000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1762819200000",
"number": "1982672937",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3040 WILLIAMS DR",
"address_2": "SUITE 100",
"city": "FAIRFAX",
"state": "VA",
"postal_code": "220314618",
"telephone_number": "703-208-3963",
"fax_number": "703-205-6284"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4660 KENMORE AVE STE 1018",
"city": "ALEXANDRIA",
"state": "VA",
"postal_code": "223041306",
"telephone_number": "571-483-1800",
"fax_number": "703-823-5723"
}
],
"practiceLocations": [],
"basic": {
"last_name": "AKSENTIJEVICH",
"first_name": "IVAN",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-08",
"last_updated": "2025-11-11",
"certification_date": "2025-11-11",
"status": "A"
},
"taxonomies": [
{
"code": "207RH0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology",
"state": "VA",
"license": "0101234651",
"primary": false
},
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "VA",
"license": "0101234651",
"primary": true
},
{
"code": "207RX0202X",
"taxonomy_group": "",
"desc": "Internal Medicine, Medical Oncology",
"state": "VA",
"license": "0101234651",
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS NCA CARE FIRST",
"identifier": "08700018",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "PHCS POS/PPO",
"identifier": "541795091",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AETNA PPO",
"identifier": "7501495",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CIGNA HMO/POS/PPO",
"identifier": "6252107",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AETNA HMO",
"identifier": "3212244",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ANTHEM/TRIGON",
"identifier": "386769",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ONE HEALTH PLAN",
"identifier": "541795091",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "NCPPO",
"identifier": "560987",
"state": "VA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1982672937",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MAMSI/ OP CHOICE/ALLIANCE",
"identifier": "316256-2107058",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "FIRST HEALTH",
"identifier": "541795091-2067228",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CHOICE CARE",
"identifier": "541795091",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "UNITED HEALTHCARE",
"identifier": "2311042",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "TRICARE",
"identifier": "541795091",
"state": "VA"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "ivan.aksentijevich@vcs.ikm.direct-ci.com",
"affiliation": "N",
"endpointDescription": "Direct messaging for Provider",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "Electronic Health Record",
"address_1": "4660 Kenmore Ave Ste 1018",
"city": "Alexandria",
"state": "VA",
"country_code": "US",
"postal_code": "223041306",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Alexandria, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 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; 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.