NPPES file of Aug 9, 2026

John M. Parschauer, DO

Ophthalmology Physician · Sandusky, OH

John M. Parschauer, DO is an ophthalmology physician with a practice address in Sandusky, Ohio, and NPI 1861452930, issued on Mar 24, 2006. Check the license (Ohio 34002928, 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
1861452930
Name
John M. Parschauer
Credential
DO
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
34002928 OH
Self-reported in NPPES; status is on the state search
Practice location
2600 Hayes Avenue, Sandusky, OH 44870
Phone
(419) 625-6181
Enumerated
Mar 24, 2006
Record last updated
Nov 14, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(419) 625-7493
Medicaid ID
0416508 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 2600 Hayes Avenue

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

  1. Theresa Beals, ODOptometrist1972564185
  2. Tammy Ruch, ODOptometrist1932160710

Verify John M. Parschauer 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 34002928
    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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John M. Parschauer among 751 ophthalmology physician records in Ohio

John M. Parschauer, DO is one of 751 ophthalmology physician records with a practice address in Ohio. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 25% of them.

  • NPI issued2006 · 25% of these records are older, 42% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2012 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Ohio

There are 751 ophthalmology physician records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Eric Dudenhoefer, M.D.Sandusky, OH 448701679511935
  2. Kenneth Parschauer, DOSandusky, OH 448701225097884
  3. Harris Schild, MDSandusky, OH 448701619947892
  4. Kristina Thomas, M.D.Sandusky, OH 448701528258449
  5. Kerry Allen, M.D.Norwalk, OH 448571184605990
  6. Blair Clark, D.O.Tiffin, OH 448831205199528
  7. Carl Obenauf, M.D.Norwalk, OH 448571336121292
  8. Wade Young, MDTiffin, OH 448831699759159

Common questions

What is John M. Parschauer, DO's NPI number?

John M. Parschauer, DO's National Provider Identifier (NPI) is 1861452930, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John M. Parschauer, DO located?

The NPPES record lists a practice address at 2600 Hayes Avenue, Sandusky, OH, 44870. Phone: (419) 625-6181. Providers update this record themselves, so call before visiting.

How can I verify John M. Parschauer, DO's license?

NPPES lists Ohio license number 34002928, 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.