NPPES file of Aug 9, 2026

Kastytis Leonas Buitkus, M.D.

Allergy Physician · Oak Park, MI

Kastytis Leonas Buitkus, M.D. is an allergy physician with a practice address in Oak Park, Michigan, and NPI 1881638625, issued on Jun 15, 2006. Check the license (Michigan KB050601, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881638625
Name
Kastytis Leonas Buitkus
Credential
M.D.
Primary taxonomy
Allergy Physician 207KA0200X
License number
KB050601 MI
Self-reported in NPPES; status is on the state search
Practice location
21700 Greenfield RD, Oak Park, MI 48237
Phone
(248) 967-4310
Enumerated
Jun 15, 2006
Record last updated
Mar 13, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(248) 967-4301
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 21700 Greenfield RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jamal Fairchild El, MA, LLPC, CAACAddiction (Substance Use Disorder) Counselor1891938445
  2. Ihekerema Fulton-Goree, CAC1Addiction (Substance Use Disorder) Counselor1851417257
  3. Mohammad Jamali, PTPhysical Therapist1487954806
  4. Karimah Joseph, M.D.Family Medicine Physician1114076056
  5. Mary MayHome Health Aide1730012493
  6. Sunanda Nioguy, MDNeurology Physician1427197417

Verify Kastytis Leonas Buitkus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license KB050601    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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94% fewer Medicare Part D claims than the average allergy physician in 2024

43 Medicare Part D claims, against an average of 750 among the 645 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Kastytis Buitkus43
  2. Specialty average750

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.

Allergy Physician providers in Michigan

There are 31 allergy physician records in Michigan.

All 31 in Michigan → Every provider in Oak Park →

Other allergy physician records in Michigan

  1. Mutee Abdeljaber, MDCaro, MI1457382939
  2. Edward Alpert, MDWarren, MI1518932847
  3. Jasmine Alsukhon, MDNovi, MI1710335716
  4. Lee Baylis, MDClarkston, MI1306837083
  5. Cristina Cotronei-Cascardo, MDDetroit, MI1275550287
  6. Seshagiri Dandamudi, M.D.Battle Creek, MI1174503221
  7. Anna Dobracki, MD PHDBrighton, MI1093763153
  8. Lokesh Edara, MDBattle Creek, MI1104890490
  9. Anne Erben, MDTroy, MI1922098235
  10. Wendy Gould, M.D.Detroit, MI1609005214

Common questions

What is Kastytis Leonas Buitkus, M.D.'s NPI number?

Kastytis Leonas Buitkus, M.D.'s National Provider Identifier (NPI) is 1881638625, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kastytis Leonas Buitkus, M.D. located?

The NPPES record lists a practice address at 21700 Greenfield RD, Oak Park, MI, 48237. Phone: (248) 967-4310. Providers update this record themselves, so call before visiting.

How can I verify Kastytis Leonas Buitkus, M.D.'s license?

NPPES lists Michigan license number KB050601, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kastytis Leonas Buitkus, M.D. prescribe under Medicare Part D?

In 2024, Kastytis Leonas Buitkus, M.D. had 43 Medicare Part D claims; the average among allergy physician prescribers was 750. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.