Ewa Krystyna Niewiarowski, MD
Family Medicine Physician · Plano, TX
Ewa Krystyna Niewiarowski, MD is a family medicine physician with a practice address in Plano, Texas, and NPI 1245380195, issued on Jan 11, 2007. Check the license (Texas K6662, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ewa Krystyna Niewiarowski
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- K6662 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6300 W Parker RD, Plano, TX 75093
- Phone
- (972) 981-3840
- Enumerated
- Jan 11, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (972) 981-3842
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 6300 W Parker RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ewa Krystyna Niewiarowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K6662Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family medicine physician in 2024
493 Medicare Part D claims for 78 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium26 claims
- Losartan Potassium24 claims
- Metformin Hcl23 claims
- Glipizide Er21 claims
- Metoprolol Succinate21 claims
- Levothyroxine Sodium18 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.
Ewa Krystyna Niewiarowski among 11,119 family medicine physician records in Texas
Ewa Krystyna Niewiarowski, MD is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2007 · 51% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
138 family medicine physician records list a practice address in Plano
They are 138 of the 7,271 NPPES records with a practice address in Plano, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Plano → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Naira Babaian, MDPlano, TX 750931457312423
- Richard Bosacker, MDPlano, TX 750931710938451
- James Cable, M.D.Plano, TX 750931659310548
- William Gates, MDPlano, TX 750931447233465
- Marjaneh Hedayat, MDPlano, TX 750931952353138
- Sarah Mastrogiovanni, D.O.Plano, TX 750931205894623
- Sarah Payberah, M.D.Plano, TX 750931073500179
- Jose Pilatovsky, MDPlano, TX 750931962475814
Common questions
What is Ewa Krystyna Niewiarowski, MD's NPI number?
Ewa Krystyna Niewiarowski, MD's National Provider Identifier (NPI) is 1245380195, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ewa Krystyna Niewiarowski, MD located?
The NPPES record lists a practice address at 6300 W Parker RD, Plano, TX, 75093. Phone: (972) 981-3840. Providers update this record themselves, so call before visiting.
How can I verify Ewa Krystyna Niewiarowski, MD's license?
NPPES lists Texas license number K6662, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ewa Krystyna Niewiarowski, MD prescribe under Medicare Part D?
In 2024, Ewa Krystyna Niewiarowski, MD had 493 Medicare Part D claims for 78 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.