Bartlomiej Tomasz Leyko, MD
Allergy & Immunology Physician · Phoenix, AZ
Bartlomiej Tomasz Leyko, MD is an allergy & immunology physician with a practice address in Phoenix, Arizona, and NPI 1538124946, issued on Apr 19, 2006. Check the license (Arizona 32617, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Bartlomiej Tomasz Leyko
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 32617 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 300 W Clarendon Ave, Phoenix, AZ 85013
- Phone
- (602) 277-3337
- Enumerated
- Apr 19, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (602) 277-3330
- Medicare enrollment
- Enrolled (PECOS I20040831001280); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 88 in Arizona → Look up another NPI →
Also registered at 300 W Clarendon Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Bass, M.D.Anesthesiology Physician1164560686
- Rachel Butler, NNPNeonatal Nurse Practitioner1679592307
- Ellen Canacakos, LPCMental Health Counselor1609063643
- Cristina Carballo, MDPediatrics Physician1740216076
- Harry Cavanagh, M.D.Anesthesiology Physician1033161674
- Michelle Cederlind, NNPNeonatal Nurse Practitioner1598971210
Verify Bartlomiej Tomasz Leyko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 32617Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% more Medicare Part D claims than the average allergy & immunology physician in 2024
1,399 Medicare Part D claims for 326 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Montelukast Sodium179 claims
- Arnuity Ellipta111 claims
- Trelegy Ellipta106 claims
- Azelastine Hcl102 claims
- Albuterol Sulfate Hfa92 claims
- Ipratropium Bromide84 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $652.36
24 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 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.
Bills Medicare through one group practice
- Allergy Asthma Clinic LtdSurprise, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bartlomiej Tomasz Leyko among 88 allergy & immunology physician records in Arizona
Bartlomiej Tomasz Leyko, MD is one of 88 allergy & immunology physician records with a practice address in Arizona. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 39% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1999 · median 2001 among the 57 with a school on file
- Record last updated2026 · 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 207K00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Arizona
There are 88 allergy & immunology physician records in Arizona.
All 88 in Arizona → Every provider in Phoenix → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Christopher Couch, M.D.Phoenix, AZ 850131154620714
- Claudia Gaefke, MDPhoenix, AZ 850131568840270
- Mark Schubert, MDPhoenix, AZ 850131093771784
- Joseph Yusin, M.D.Phoenix, AZ 850121912091927
- Cindy Bauer, M.D.Phoenix, AZ 850161639367964
- Ifat Krase, MDPhoenix, AZ 850161497021281
- Brenna Labere, MDPhoenix, AZ 850161952834368
- Sahana Venkatesh, MDPhoenix, AZ 850161689136665
Common questions
What is Bartlomiej Tomasz Leyko, MD's NPI number?
Bartlomiej Tomasz Leyko, MD's National Provider Identifier (NPI) is 1538124946, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bartlomiej Tomasz Leyko, MD located?
The NPPES record lists a practice address at 300 W Clarendon Ave, Phoenix, AZ, 85013. Phone: (602) 277-3337. Providers update this record themselves, so call before visiting.
How can I verify Bartlomiej Tomasz Leyko, MD's license?
NPPES lists Arizona license number 32617, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Bartlomiej Tomasz Leyko, MD prescribe under Medicare Part D?
In 2024, Bartlomiej Tomasz Leyko, MD had 1,399 Medicare Part D claims for 326 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Bartlomiej Tomasz Leyko, MD's MIPS final score?
The 2023 MIPS final score is 84.9 of 100, reported for the practice group. 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.