David Andrew Erwin, O.D.
Optometrist · Coshocton, OH
David Andrew Erwin, O.D. is an optometrist with a practice address in Coshocton, Ohio, and NPI 1770576514, issued on Aug 26, 2005. Check the license (Ohio 3344 T916, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Andrew Erwin
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3344 T916 OH
Self-reported in NPPES; status is on the state search - Practice location
- 535 Chestnut St, Coshocton, OH 43812
- Phone
- (740) 622-2270
- Enumerated
- Aug 26, 2005
- Record last updated
- Oct 24, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (740) 622-4376
- Medicare enrollment
- Enrolled (PECOS I20111228000540); accepts Medicare assignment
- Medical or professional school
- Ohio State University - College Of Optometry, 1978
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,443 in Ohio → Look up another NPI →
Also registered at 535 Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Ellis, O.D.Optometrist1588951636
- Griffin MasonOptometrist1477444859
Verify David Andrew Erwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 3344 T916Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average optometrist in 2024
174 Medicare Part D claims for 46 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Latanoprost102 claims
- Dorzolamide-Timolol21 claims
- Timolol Maleate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $16.77
1 payment: food and beverage; the largest payer was Alcon Vision LLC. 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.
Bills Medicare through one group practice
- Dr David A Erwin And Associates IncCoshocton, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Andrew Erwin among 2,443 optometrist records in Ohio
David Andrew Erwin, O.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1978 · median 2006 among the 1,466 with a school on file
- Record last updated2008 · 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).
5 optometrist records list a practice address in Coshocton
They are 5 of the 404 NPPES records with a practice address in Coshocton, and 2,443 optometrist records in Ohio.
All 2,443 in Ohio → Every provider in Coshocton → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Danielle Ellis, O.D.Coshocton, OH 438121588951636
- Charles Fornara, O.D.Coshocton, OH 438121003898156
- Griffin MasonCoshocton, OH 438121477444859
- Richard McCullough, ODCoshocton, OH 438121992809057
- David EvansWoodsfield, OH 437931831231364
- Monica Braun, ODNew Lexington, OH 437641467061432
- Robert Dittoe, O.D.New Lexington, OH 437641184671174
- John Manard, O.D.New Lexington, OH 437641154734788
Common questions
What is David Andrew Erwin, O.D.'s NPI number?
David Andrew Erwin, O.D.'s National Provider Identifier (NPI) is 1770576514, issued on Aug 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David Andrew Erwin, O.D. located?
The NPPES record lists a practice address at 535 Chestnut St, Coshocton, OH, 43812. Phone: (740) 622-2270. Providers update this record themselves, so call before visiting.
How can I verify David Andrew Erwin, O.D.'s license?
NPPES lists Ohio license number 3344 T916, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does David Andrew Erwin, O.D. prescribe under Medicare Part D?
In 2024, David Andrew Erwin, O.D. had 174 Medicare Part D claims for 46 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions 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.