Doctor profile · Federal record

Dr. Ivanka Vassileva, MD

Family Medicine Physician (CMS: Family Practice) · Lawton, OK

  • NPI 1295729929
  • Accepts Medicare
  • MIPS 91.0 / 100 · 2023
  • 40 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4411 W Gore Blvd, Ste B10
Lawton, OK 735055977
(580) 354-9600
fax (580) 354-9621

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
February 9, 2012
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Oklahoma #22970
Medicaid
OK #200055900A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295729929. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,694
Distinct HCPCS
10
Medicare allowed
$207,757
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 836 270 $118
99213 Established patient office or other outpatient visit, 20-29 minutes 381 185 $84
G0442 Annual alcohol misuse screening, 5 to 15 minutes 235 235 $17
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 225 225 $123
G0444 Annual depression screening, 5 to 15 minutes 223 223 $17
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes 171 171 $25
J0696 Injection, ceftriaxone sodium, per 250 mg 132 17 $0
99215 Established patient office or other outpatient visit, 40-54 minutes 86 63 $163
G0447 Face-to-face behavioral counseling for obesity, 15 minutes 82 76 $25
99212 Established patient office or other outpatient visit, 10-19 minutes 56 52 $53

In context: peer comparison

Among 14 peers in this city , average services per provider: 147. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$205
Transactions
9
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 3 $59.46
Abbott Laboratories 1 $52.79
GlaxoSmithKline, LLC. 2 $36.90
Bayer Healthcare Pharmaceuticals Inc. 1 $21.27
Amgen Inc. 1 $21.24
Novo Nordisk Inc 1 $13.34

By nature of payment

Food and Beverage
$205

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,995
Patients
635
Total drug cost
$31,109
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 354 112 $7,719
Levothyroxine Sodium Generic 329 85 $4,291
Atorvastatin Calcium Generic 198 60 $2,584
Amlodipine Besylate Generic 151 52 $1,419
Losartan Potassium Generic 149 48 $1,802
Carvedilol Generic 113 35 $1,237
Metformin Hcl Er (Metformin Hcl) Brand 103 35 $1,063
Potassium Chloride Generic 96 34 $2,389
Lisinopril Generic 84 32 $712
Omeprazole Generic 83 27 $1,492

Frequently asked questions

Auto-generated from federal data
What is Dr. Ivanka Vassileva's medical specialty?
Dr. Ivanka Vassileva practices Family Medicine Physician in Lawton, OK.
Where does Dr. Ivanka Vassileva practice?
Dr. Ivanka Vassileva practices at 4411 W Gore Blvd, Lawton, OK 735055977. Office phone: 5803549600.
What is Dr. Ivanka Vassileva's NPI?
Dr. Ivanka Vassileva's National Provider Identifier (NPI) is 1295729929, issued by NPPES.
Does Dr. Ivanka Vassileva accept Medicare assignment?
Yes. Dr. Ivanka Vassileva accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ivanka Vassileva commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual alcohol misuse screening, 5 to 15 minutes (HCPCS G0442). Source: CMS Medicare Physician & Other Practitioners file.