FLAVIA ESTEVE KOSTOV (M.D.) – Hematology & Oncology Physician, NPI 1174545107
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
368 HEMATOLOGY/ONCOLOGY in VA
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Provider Addresses for FLAVIA ESTEVE KOSTOV (M.D.)
856, J Clyde Morris Boulevard, City Center, Newport News, Newport News City, Virginia, 23601, United States
SUITE A
NEWPORT NEWS, VA 236011318
Phone:
Type: Mailing
Cancer Care Center, 12100, Warwick Boulevard, Lakeside, Beaconsdale, Newport News, Virginia, 23601, United States
SUITE 201
NEWPORT NEWS, VA 236012365
Phone: (757) 534-5555
Fax: (757) 534-5567
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $179.
Total Amount is formed as General ($179) + Research ($0) + Ownership ($0) = $179.
Last reported payment date: 2024-11-08 • Largest payer in this snapshot: GENZYME CORPORATION ($56).
Total Amount
$179
General + Research + Ownership
Payments
9
Total payment records
General Amount
$179
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $56 |
| ARRAY BIOPHARMA INC | $33 |
| Kite Pharma, Inc. | $21 |
| Gilead Sciences, Inc. | $20 |
| Merck Sharp & Dohme LLC | $18 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2012-02-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20120207000031 | I | Hematology/Oncology | VA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 280 | 156 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 241 | 128 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 43 | 19 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 27 | 25 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 24 | 24 | $0 |
Insurance plans in this area (ZIP 23601)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | VA | |
| H E M A T O L O G Y/ O N C O L O G Y | FL | |
| Nurse Practitioner | VA | |
| - | VA | |
| - | VA | |
| Nurse Practitioner | VA | |
| - | VA | |
| - | VA | |
| - | VA | |
| H E M A T O L O G Y/ O N C O L O G Y | IL |
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