Patrick Dennis Schaffer, DO
Internal Medicine Physician · Dublin, OH
Patrick Dennis Schaffer, DO is an internal medicine physician with a practice address in Dublin, Ohio, and NPI 1487117107, issued on Apr 9, 2019. Check the license (Ohio 34.015449, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Patrick Dennis Schaffer
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 34.015449 OH
Self-reported in NPPES; status is on the state search - Practice location
- 6905 Hospital Dr Ste 130, Dublin, OH 43016
- Phone
- (614) 923-0300
- Enumerated
- Apr 9, 2019
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (614) 923-0400
- Medicaid ID
- 0467247 OH
- Medicare enrollment
- Enrolled (PECOS I20211117001590); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 6905 Hospital Dr Ste 130
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Patrick Dennis Schaffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34.015449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
200 Medicare Part D claims for 63 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Lisinopril36 claims
- Furosemide34 claims
- Carvedilol13 claims
- Losartan Potassium12 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: $147.59
6 payments; by number, the most common kind was food and beverage; the largest payer was Nxstage Medical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Riverside Nephrology Associates IncColumbus, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Dennis Schaffer among 5,277 internal medicine physician records in Ohio
Patrick Dennis Schaffer, DO is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2019 · median 2006 among the 3,414 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 internal medicine physician records list a practice address in Dublin
They are 47 of the 5,030 NPPES records with a practice address in Dublin, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Dublin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohammed Ahmed, MDDublin, OH 430161144308537
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- Mandana Emami, M.D.Dublin, OH 430161962437483
- Jodi Grandominico-Bradford, MDDublin, OH 430161184835696
- Kristopher Hanson, MDDublin, OH 430161174675268
- Jessica Hunter, MDDublin, OH 430161982709127
- Lata Koneru, M.DDublin, OH 430161881654945
Common questions
What is Patrick Dennis Schaffer, DO's NPI number?
Patrick Dennis Schaffer, DO's National Provider Identifier (NPI) is 1487117107, issued on Apr 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Dennis Schaffer, DO located?
The NPPES record lists a practice address at 6905 Hospital Dr Ste 130, Dublin, OH, 43016. Phone: (614) 923-0300. Providers update this record themselves, so call before visiting.
How can I verify Patrick Dennis Schaffer, DO's license?
NPPES lists Ohio license number 34.015449, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patrick Dennis Schaffer, DO prescribe under Medicare Part D?
In 2024, Patrick Dennis Schaffer, DO had 200 Medicare Part D claims for 63 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.