David Marshall, OD, PHD
Optometrist · Mentor, OH
David Marshall, OD, PHD is an optometrist with a practice address in Mentor, Ohio, and NPI 1912376377, issued on Sep 16, 2015. Check the license (Ohio 3874, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Marshall
- Credential
- OD, PHD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3874 OH
Self-reported in NPPES; status is on the state search - Practice location
- 7640 Mentor Ave, Mentor, OH 44060
- Phone
- (440) 942-3937
- Enumerated
- Sep 16, 2015
- Record last updated
- Apr 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,443 in Ohio → Look up another NPI →
Also registered at 7640 Mentor Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sayed Hasan, O.D.Optometrist1245386291
Verify David Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 3874Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $13.46
1 payment: food and beverage; the largest payer was Bausch & Lomb Americas 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
David Marshall among 2,443 optometrist records in Ohio
David Marshall, OD, PHD is one of 2,443 optometrist records with a practice address in Ohio. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 73% of them.
- NPI issued2015 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2016 · 70% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 optometrist records list a practice address in Mentor
They are 24 of the 1,824 NPPES records with a practice address in Mentor, and 2,443 optometrist records in Ohio.
All 2,443 in Ohio → Every provider in Mentor → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Kenneth Boyle, ODMentor, OH 440601184673576
- James Bozic, O.D.Mentor, OH 440601295874048
- Robert Cherne, O.D.Mentor, OH 440601063525483
- Ellen Ellsworth, O.D.Mentor, OH 440601437297264
- Sayed Hasan, O.D.Mentor, OH 440601245386291
- Donald Hendley, O.D.Mentor, OH 440601083709489
- Jon Kline, O.D.Mentor, OH 440601396723300
- Kata Pagon, ODMentor, OH 440601730397605
Common questions
What is David Marshall, OD, PHD's NPI number?
David Marshall, OD, PHD's National Provider Identifier (NPI) is 1912376377, issued on Sep 16, 2015. An NPI identifies a provider in billing; it is not a license.
Where is David Marshall, OD, PHD located?
The NPPES record lists a practice address at 7640 Mentor Ave, Mentor, OH, 44060. Phone: (440) 942-3937. Providers update this record themselves, so call before visiting.
How can I verify David Marshall, OD, PHD's license?
NPPES lists Ohio license number 3874, as entered by the provider. Search the Ohio 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.
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.