NPPES file of Aug 9, 2026

Britt Holderness Olmsted, M.D.

Hematology & Oncology Physician · Findlay, OH

Britt Holderness Olmsted, M.D. is a hematology & oncology physician with a practice address in Findlay, Ohio, and NPI 1629211933, issued on Apr 16, 2009. Check the license (Ohio 35.126545, as entered in NPPES) on the State Medical Board of Ohio; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1629211933
Name
Britt Holderness Olmsted
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
35.126545 OH
Self-reported in NPPES; status is on the state search
Practice location
15990 Medical Dr S, Findlay, OH 45840
Phone
(419) 524-3247
Enumerated
Apr 16, 2009
Record last updated
Apr 22, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(419) 425-3091
Medicaid ID
0143451 OH
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 15990 Medical Dr S

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

  1. Apoorva Chawla, M.D.Hematology & Oncology Physician1710114145
  2. Stephen Lutz, MDRadiation Oncology Physician1285611038
  3. Kevin Shannon, M.D.Hematology & Oncology Physician1881697894
  4. Derek Thomas, M.D.Hematology & Oncology Physician1508187683

Verify Britt Holderness Olmsted in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35.126545
    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 Ohio license search

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Hematology & Oncology Physician providers in Ohio

There are 513 hematology & oncology physician records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other hematology & oncology physician records in Ohio

  1. Hafez Abdullah, MDCincinnati, OH1124540232
  2. Vivek Abhyankar, MDMarietta, OH1083607089
  3. Renny Abraham, M.DKettering, OH1891174397
  4. Drew Abramovich, M.D.Wooster, OH1851335822
  5. David Adelstein, M.D.Cleveland, OH1922061365
  6. Faisal Adhami, M.D., PH.D.Mansfield, OH1649405549
  7. Mahmoud Afifi, MDBryan, OH1699701110
  8. Roxana Aguirre Pedroza, M.D.Kettering, OH1144537135
  9. Eberechi Agwa, M.B.B.SWarrensville Heights, OH1285864470
  10. Mufti Ahmad, MDFairfield Township, OH1750511218

Common questions

What is Britt Holderness Olmsted, M.D.'s NPI number?

Britt Holderness Olmsted, M.D.'s National Provider Identifier (NPI) is 1629211933, issued on Apr 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Britt Holderness Olmsted, M.D. located?

The NPPES record lists a practice address at 15990 Medical Dr S, Findlay, OH, 45840. Phone: (419) 524-3247. Providers update this record themselves, so call before visiting.

How can I verify Britt Holderness Olmsted, M.D.'s license?

NPPES lists Ohio license number 35.126545, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.