David Andrew Erwin, OD
- Medicare patients, 2024
- 174
- Part D claims, 2024
- 174
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 535 Chestnut St, Coshocton, OH 43812
- Practice phone
- Call (740) 622-2270
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr David a Erwin and Associates Inc
Coshocton, Ohio
Find David Erwin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
David Andrew Erwin is an optometrist in Coshocton, Ohio
David Erwin practices at Dr David a Erwin and Associates Inc in Coshocton, Ohio.
David Erwin's NPI, 1770576514, was assigned on August 26, 2005. David Erwin graduated from Ohio State University - College of Optometry in 1978. David Erwin holds Ohio license 3344 T916.
- NPI
- 1770576514NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022123348
- NPI enumeration date
- August 26, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (740) 622-2270
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
David Andrew Erwin practices at Dr David a Erwin and Associates Inc in Coshocton, Ohio
David Erwin's primary practice is Dr David a Erwin and Associates Inc, at 535 Chestnut St, Coshocton, OH 43812 in Coshocton County. The practice phone is (740) 622-2270.
- Dr David a Erwin and Associates Inc535 Chestnut St, Coshocton, OH 43812 · Coshocton CountyPhone(740) 622-2270
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
David Andrew Erwin is affiliated with 2 sites of care and 1 medical group
David Erwin's primary practice is Dr David a Erwin and Associates Inc in Coshocton, Ohio. Dmand AI also links David Erwin to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David Andrew Erwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Erwin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr David a Erwin and Associates Inc | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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David Andrew Erwin is one of 2,779 optometrists in Ohio
Optometrist is David Erwin's primary specialty in the NPI Registry, under taxonomy code 152W00000X. David Erwin is licensed in Ohio.
Specialties and state licenses
- Optometrist, OhioPrimary
Optometrists near David Erwin
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
David Andrew Erwin treated 174 Medicare patients in 2024, average age 75
CMS counts 174 Medicare patients who saw David Erwin in 2024. The largest group is 65 to 74, with 95 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts David Erwin's median patient age at 69, with 56% women.
David Erwin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
David Erwin's Medicare patients by sex, 2024
- Women9856%
- Men7644%
Chronic conditions among David Erwin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis41%
- Diabetes32%
- Ischemic heart disease28%
- Chronic kidney disease20%
- Cancer17%
- Anxiety16%
Share of Medicare patients with each condition. A patient can have several.
David Erwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David Andrew Erwin wrote 174 Medicare Part D claims in 2024
In 2024, David Erwin wrote 174 Medicare Part D claims for 46 patients. 79% of them were for generic drugs.
David Erwin's Part D claims by kind of drug, 2024
- Generic138 claims79%
- Brand-name36 claims21%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How David Andrew Erwin takes part in Medicare
David Erwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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David Andrew Erwin graduated from Ohio State University - College of Optometry
David Erwin graduated from Ohio State University - College of Optometry in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for David Andrew Erwin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about David Andrew Erwin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David Andrew Erwin's NPI number?
David Andrew Erwin's NPI number is 1770576514. It was assigned on August 26, 2005, and it is active in the NPI Registry.
What does David Andrew Erwin specialize in?
David Andrew Erwin is an optometrist in Coshocton, Ohio. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does David Andrew Erwin practice?
David Erwin practices at 535 Chestnut St, Coshocton, OH 43812. David Erwin's primary practice is Dr David a Erwin and Associates Inc in Coshocton, Ohio. Dmand AI also links David Erwin to 1 group practice or clinic and 1 medical group.
What is David Andrew Erwin's office phone number?
The practice phone on file for David Erwin is (740) 622-2270.
What is David Andrew Erwin's medical license number?
David Erwin holds Ohio license 3344 T916.
Does David Andrew Erwin accept Medicare?
Yes. CMS lists David Erwin as accepting Medicare assignment.
How many Medicare patients does David Andrew Erwin see?
CMS counts 174 Medicare patients who saw David Erwin in 2024, with an average age of 75.
Where did David Andrew Erwin go to medical school?
David Erwin graduated from Ohio State University - College of Optometry in 1978.
How long has David Andrew Erwin been practicing?
David Erwin graduated from medical school in 1978, 48 years ago.
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