NPPES file of Aug 9, 2026

Gary C. Spencer, O.D.

Optometrist · Muskegon, MI

Gary C. Spencer, O.D. is an optometrist with a practice address in Muskegon, Michigan, and NPI 1720154818, issued on Nov 28, 2006. Check the license (Michigan 4901002683, as entered in NPPES) with the Michigan board that licenses this profession; 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
1720154818
Name
Gary C. Spencer
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
4901002683 MI
Self-reported in NPPES; status is on the state search
Practice location
3106 Glade St, Muskegon, MI 49444
Phone
(231) 733-9669
Enumerated
Nov 28, 2006
Record last updated
Apr 3, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(231) 733-9669
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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Verify Gary C. Spencer 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 4901002683
    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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Gary C. Spencer among 1,963 optometrist records in Michigan

Gary C. Spencer, 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 not. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 58% newer
  • In a Medicare fileNo · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2019 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 optometrist records with the nearest ZIP codes

  1. Rebecca BarthMuskegon, MI 494441346930013
  2. Emily Faccin, ODMuskegon, MI 494441902660533
  3. Joshua Metzger, O.D.Muskegon, MI 494441174545487
  4. Jamie Pancy, ODMuskegon, MI 494441003223561
  5. Todd Riker, ODMuskegon, MI 494441366420168
  6. Daniel Shoop, ODMuskegon, MI 494441871226829
  7. Mark Shunta, ODMuskegon Hts, MI 494441588775175
  8. Jessica Wilson, ODMuskegon, MI 494441730787508

Common questions

What is Gary C. Spencer, O.D.'s NPI number?

Gary C. Spencer, O.D.'s National Provider Identifier (NPI) is 1720154818, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary C. Spencer, O.D. located?

The NPPES record lists a practice address at 3106 Glade St, Muskegon, MI, 49444. Phone: (231) 733-9669. Providers update this record themselves, so call before visiting.

How can I verify Gary C. Spencer, O.D.'s license?

NPPES lists Michigan license number 4901002683, 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. 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.