Registry data as of Aug 27, 2026

Cynthia Byler, D.O.

Occupational Medicine Physician · Saint Louis, MO

Cynthia Byler, D.O. is an occupational medicine physician with a practice address in Saint Louis, Missouri, and NPI 1649373994, issued on Sep 5, 2006. Check the license (Missouri DO R1G13, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1649373994
Name
Cynthia Byler
Credential
D.O.
Primary taxonomy
Occupational Medicine Physician 2083X0100X
License number
DO R1G13 MO
Self-reported in NPPES; status is on the state search
Practice location
1050 Old Des Peres RD, Saint Louis, MO 63131
Phone
(314) 569-0612
Enumerated
Sep 5, 2006
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 1050 Old Des Peres RD

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

  1. R Aaranson, D.P.M.Podiatrist1407840184
  2. Robert Bell, MDOrthopaedic Hand Surgery Physician1851371082
  3. Brian Bradley, P.T.Physical Therapist1063590354
  4. James Burke, M.D.Orthopaedic Surgery Physician1841292703
  5. Bethanie Dinan, P.A.Physician Assistant1568682375
  6. Christy Dow, M.A. OTR/LPediatric Occupational Therapist1114182169

Verify Cynthia Byler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license DO R1G13
    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 Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Occupational Medicine Physician providers in Missouri

There are 54 occupational medicine physician records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other occupational medicine physician records in Missouri

  1. Osman Amin, DOColumbia, MO1457748766
  2. Bipinchandra Avashia, MDKansas City, MO1215114509
  3. Norbert Belz, M.D., M.P.H.Springfield, MO1497970727
  4. Adonis Bernardo, MDSikeston, MO1528247970
  5. William Black, MDJoplin, MO1326121211
  6. Michael Bledsoe, M.D.Kansas City, MO1598878779
  7. Stuart Bogner, M.D.Saint Louis, MO1841330339
  8. Bradley Breeden, M.D.Saint Louis, MO1891812814
  9. Brian Briggs, MDJoplin, MO1689755779
  10. William Campbell, MDSpringfield, MO1023108677

Common questions

What is Cynthia Byler, D.O.'s NPI number?

Cynthia Byler, D.O.'s National Provider Identifier (NPI) is 1649373994, issued on Sep 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Byler, D.O. located?

The NPPES record lists a practice address at 1050 Old Des Peres RD, Saint Louis, MO, 63131. Phone: (314) 569-0612. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Byler, D.O.'s license?

NPPES lists Missouri license number DO R1G13, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.