David W. Koontz, DO
Internal Medicine Physician · Newark, OH
David W. Koontz, DO is an internal medicine physician with a practice address in Newark, Ohio, and NPI 1730193137, issued on Jul 28, 2006. Check the license (Ohio K34004321, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- David W. Koontz
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- K34004321 OH
34004321 OH
Self-reported in NPPES; status is on the state search - Practice location
- 30 Messimer Drive, Newark, OH 43055
- Phone
- (740) 788-9633
- Enumerated
- Jul 28, 2006
- Record last updated
- Mar 24, 2023
- Fax
- (740) 788-9649
- Medicaid ID
- 0747204 OH
- Medicare enrollment
- Enrolled (PECOS I20080307000307); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 1986
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Verify David W. Koontz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license K34004321Check 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% more Medicare Part D claims than the average internal medicine physician in 2024
6,177 Medicare Part D claims for 634 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 114 claims were for opioids.
Most prescribed
- Levothyroxine Sodium399 claims
- Simvastatin344 claims
- Losartan Potassium312 claims
- Amlodipine Besylate277 claims
- Rosuvastatin Calcium274 claims
- Metoprolol Succinate273 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Licking Memorial Health ProfessionalsNewark, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David W. Koontz among 5,277 internal medicine physician records in Ohio
David W. Koontz, 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1986 · median 2006 among the 3,414 with a school on file
- Record last updated2023 · 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).
Internal Medicine Physician providers in Ohio
There are 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Newark → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nabil Bourjeily, MDNewark, OH 430551740239110
- Gerald Ehrsam, MDNewark, OH 430551740289941
- Raju Fatehchand, MD FACPNewark, OH 430551346201407
- Robert Guinsler, DONewark, OH 430551720541253
- Daria Hopkins, MDNewark, OH 430551174782775
- Robert KampsNewark, OH 430551144521618
- Maria May, D.O.Newark, OH 430551093256216
- Mark Mitchell, MDNewark, OH 430551023017860
Common questions
What is David W. Koontz, DO's NPI number?
David W. Koontz, DO's National Provider Identifier (NPI) is 1730193137, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David W. Koontz, DO located?
The NPPES record lists a practice address at 30 Messimer Drive, Newark, OH, 43055. Phone: (740) 788-9633. Providers update this record themselves, so call before visiting.
How can I verify David W. Koontz, DO's license?
NPPES lists Ohio license number K34004321, 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 David W. Koontz, DO prescribe under Medicare Part D?
In 2024, David W. Koontz, DO had 6,177 Medicare Part D claims for 634 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is David W. Koontz, DO's MIPS final score?
The 2023 MIPS final score is 79.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.