Ivanka A. Vassileva, MD
Family Medicine Physician · Lawton, OK
Ivanka A. Vassileva, MD is a family medicine physician with a practice address in Lawton, Oklahoma, and NPI 1295729929, issued on Sep 8, 2005. Check the license (Oklahoma 22970, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Ivanka A. Vassileva
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 22970 OK
Self-reported in NPPES; status is on the state search - Practice location
- 4411 W Gore Blvd, Lawton, OK 73505
- Phone
- (580) 354-9600
- Enumerated
- Sep 8, 2005
- Record last updated
- Feb 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (580) 354-9621
- Medicaid ID
- 200055900A OK
- Medicare enrollment
- Enrolled (PECOS I20050811000342); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,303 in Oklahoma → Look up another NPI →
Also registered at 4411 W Gore Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Usha Chandra, MDFamily Medicine Physician1144216573
- Susan Cuzzort, P.T.Physical Therapist1902004328
- Francois Dutoit, MDFamily Medicine Physician1760477509
- Nabila El Zind, M.D.Specialist1003849035
- Maurice HortonMental Health Counselor1801151097
Verify Ivanka A. Vassileva in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 22970Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average family medicine physician in 2024
4,047 Medicare Part D claims for 292 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 42 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium380 claims
- Levothyroxine Sodium318 claims
- Atorvastatin Calcium200 claims
- Losartan Potassium169 claims
- Amlodipine Besylate156 claims
- Carvedilol124 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $205.00
9 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ivanka A. Vassileva among 2,303 family medicine physician records in Oklahoma
Ivanka A. Vassileva, MD is one of 2,303 family medicine physician records with a practice address in Oklahoma. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1986 · median 2008 among the 1,407 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
73 family medicine physician records list a practice address in Lawton
They are 73 of the 2,582 NPPES records with a practice address in Lawton, and 2,303 family medicine physician records in Oklahoma.
All 2,303 in Oklahoma → Every provider in Lawton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Renato Caballero, MDLawton, OK 735051306831458
- Richard Campbell, M.D.Lawton, OK 735051851381875
- Usha Chandra, MDLawton, OK 735051144216573
- Mark Cotton, DOLawton, OK 735051013911908
- Deena Dave, MDLawton, OK 735051164418356
- Dale Duguid, MDLawton, OK 735051700871399
- Francois Dutoit, MDLawton, OK 735051760477509
- Krista Gordon, MDLawton, OK 735051164426193
Common questions
What is Ivanka A. Vassileva, MD's NPI number?
Ivanka A. Vassileva, MD's National Provider Identifier (NPI) is 1295729929, issued on Sep 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ivanka A. Vassileva, MD located?
The NPPES record lists a practice address at 4411 W Gore Blvd, Lawton, OK, 73505. Phone: (580) 354-9600. Providers update this record themselves, so call before visiting.
How can I verify Ivanka A. Vassileva, MD's license?
NPPES lists Oklahoma license number 22970, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ivanka A. Vassileva, MD prescribe under Medicare Part D?
In 2024, Ivanka A. Vassileva, MD had 4,047 Medicare Part D claims for 292 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ivanka A. Vassileva, MD's MIPS final score?
The 2023 MIPS final score is 91 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.