NPPES file of Aug 9, 2026

Diana Lowry Koslowske, O.D.

Optometrist · Grand Rapids, MI

Diana Lowry Koslowske, O.D. is an optometrist with a practice address in Grand Rapids, Michigan, and NPI 1053306274, issued on Sep 14, 2005. Check the license (Michigan 4901003577, as entered in NPPES) with the Michigan board that licenses this profession; 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
1053306274
Name
Diana Lowry Koslowske
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
4901003577 MI
Self-reported in NPPES; status is on the state search
Practice location
511 Wilson Ave NW, Grand Rapids, MI 49534
Phone
(616) 301-8663
Enumerated
Sep 14, 2005
Record last updated
May 20, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(616) 301-2987
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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8 nearest optometrist records → All 1,963 in Michigan → Look up another NPI →

Also registered at 511 Wilson Ave NW

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

  1. Douglas Cramer, ABOC, NCLCOptician1124168232

Verify Diana Lowry Koslowske in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4901003577    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
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Industry payments in 2024: $376.42

4 payments; by number, the most common kind was food and beverage; the largest payer was Sight Sciences, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diana Koslowske$376.42
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Diana Lowry Koslowske among 1,963 optometrist records in Michigan

Diana Lowry Koslowske, O.D. is one of 1,963 optometrist records with a practice address in Michigan. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2008 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Michigan

There are 1,963 optometrist records in Michigan.

All 1,963 in Michigan → Every provider in Grand Rapids → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Daniel Arsulowicz, O.D.Grand Rapids, MI 495341982762241
  2. Andrew Bringard, ODWalker, MI 495341316599707
  3. Jennifer Simon, O.D.Grand Rapids, MI 495341194012401
  4. Jacquelyn Cosgrove Malleis, O.D.Grand Rapids, MI 495251568999332
  5. Morgan Dewit, ODGrand Rapids, MI 495251467802397
  6. Katie FlikkemaGrand Rapids, MI 495251578263174
  7. Brian Hochstetler, ODGrand Rapids, MI 495251609369925
  8. Adam Hoffhines, ODGrand Rapids, MI 495251821613225

Common questions

What is Diana Lowry Koslowske, O.D.'s NPI number?

Diana Lowry Koslowske, O.D.'s National Provider Identifier (NPI) is 1053306274, issued on Sep 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Diana Lowry Koslowske, O.D. located?

The NPPES record lists a practice address at 511 Wilson Ave NW, Grand Rapids, MI, 49534. Phone: (616) 301-8663. Providers update this record themselves, so call before visiting.

How can I verify Diana Lowry Koslowske, O.D.'s license?

NPPES lists Michigan license number 4901003577, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity 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.