NPPES file of Aug 9, 2026

Tyler Greiner, DO

Anesthesiology Physician · Hiawatha, IA

Tyler Greiner, DO is an anesthesiology physician with a practice address in Hiawatha, Iowa, and NPI 1194341032, issued on Jun 16, 2020. Check the license (Iowa DO-06710, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1194341032
Name
Tyler Greiner
Credential
DO
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
DO-06710 IA
Self-reported in NPPES; status is on the state search
Practice location
1550 Boyson RD, Hiawatha, IA 52233
Phone
(319) 743-7300
Enumerated
Jun 16, 2020
Record last updated
Apr 18, 2025
Medicare enrollment
Enrolled (PECOS I20240709000803); accepts Medicare assignment
Medical or professional school
Des Moines University Of Osteopathic Medicine And Health Sciences, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest anesthesiology physician records → All 569 in Iowa → Look up another NPI →

Also registered at 1550 Boyson RD

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

  1. Janet Acarregui, MDSpecialist1255311387
  2. Richard Aerts, M.D.Specialist1881674919
  3. Waseemuddin Ahmed, MDAnesthesiology Physician1497913305
  4. Michael Almasi, D.O.Specialist1972583466
  5. John Becker, MDAnesthesiology Physician1477543106
  6. Christine Botkin, M.D.Anesthesiology Physician1326028820

Verify Tyler Greiner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license DO-06710    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 Iowa 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.

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Bills Medicare through 3 group practices

  1. Linn County Anesthesiologists PCCedar Rapids, IA
  2. Mercy Medical CenterCedar Rapids, IA
  3. State University OF IowaIowa City, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tyler Greiner among 569 anesthesiology physician records in Iowa

Tyler Greiner, DO is one of 569 anesthesiology physician records with a practice address in Iowa. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 78% of them.

  • NPI issued2020 · 78% of these records are older, 20% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2020 · median 2006 among the 361 with a school on file
  • Record last updated2025 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 anesthesiology physician records list a practice address in Hiawatha

They are 36 of the 337 NPPES records with a practice address in Hiawatha, and 569 anesthesiology physician records in Iowa.

All 569 in Iowa → Every provider in Hiawatha → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. John Becker, MDHiawatha, IA 522331477543106
  2. Christine Botkin, M.D.Hiawatha, IA 522331326028820
  3. Jay Diaz-Parlet, MDHiawatha, IA 522331417011875
  4. Carrie Dykstra, MDHiawatha, IA 522331922088079
  5. Rand Fishleder, MDHiawatha, IA 522331174503239
  6. Michael Franklin, M.D.Hiawatha, IA 522331366404451
  7. Jennifer Langowski, DOHiawatha, IA 522331629042825
  8. Kirsten Leff, MDHiawatha, IA 522331205052594

Common questions

What is Tyler Greiner, DO's NPI number?

Tyler Greiner, DO's National Provider Identifier (NPI) is 1194341032, issued on Jun 16, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Tyler Greiner, DO located?

The NPPES record lists a practice address at 1550 Boyson RD, Hiawatha, IA, 52233. Phone: (319) 743-7300. Providers update this record themselves, so call before visiting.

How can I verify Tyler Greiner, DO's license?

NPPES lists Iowa license number DO-06710, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. 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. 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.