Douglas Allen Dunlap, D.O.
Internal Medicine Physician · Warren, OH
Douglas Allen Dunlap, D.O. is an internal medicine physician with a practice address in Warren, Ohio, and NPI 1215921358, issued on Sep 5, 2005. Check the license (Ohio 34-00-3463, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Douglas Allen Dunlap
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 34-00-3463 OH
Self-reported in NPPES; status is on the state search - Practice location
- 667 Eastland Ave SE, Warren, OH 44484
- Phone
- (330) 841-4000
- Enumerated
- Sep 5, 2005
- Record last updated
- May 23, 2025
- Medicaid ID
- 0652137 OH
- Medicare enrollment
- Enrolled (PECOS I20090915000064); 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 667 Eastland Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Alter, RNAdult Health Nurse Practitioner1558447466
- Ankit Amin, M.D.Internal Medicine Physician1659727162
- Cherilyn Andrews, FNP-CFamily Nurse Practitioner1780019109
- Raylene Baum, PHARMDPharmacist1003603366
- Robert Beight, D.O.Emergency Medicine Physician1285818393
- Angela Bertok, PHARMD, RPH, BCPSPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1720557143
Verify Douglas Allen Dunlap in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34-00-3463Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average internal medicine physician in 2024
831 Medicare Part D claims for 245 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Metoprolol Succinate54 claims
- Pantoprazole Sodium53 claims
- Amlodipine Besylate49 claims
- Eliquis45 claims
- Prednisone33 claims
- Cefdinir26 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.
Douglas Allen Dunlap among 5,277 internal medicine physician records in Ohio
Douglas Allen Dunlap, D.O. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1981 · median 2006 among the 3,414 with a school on file
- Record last updated2025 · 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).
39 internal medicine physician records list a practice address in Warren
They are 39 of the 2,090 NPPES records with a practice address in Warren, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Warren → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Bisel, DOWarren, OH 444841831150242
- Christopher Chuirazzi, M.D.Warren, OH 444841215923743
- Christopher Hebert, M.D.Warren, OH 444841669430047
- Subhash Khaterpaul, MDWarren, OH 444841154394237
- James Kondolios, MDWarren, OH 444841073592663
- Kapil Kwatra, M.DWarren, OH 444841326016320
- Adam Levine, MDWarren, OH 444841124127063
- Nitin Patel, MDWarren, OH 444841669465357
Common questions
What is Douglas Allen Dunlap, D.O.'s NPI number?
Douglas Allen Dunlap, D.O.'s National Provider Identifier (NPI) is 1215921358, issued on Sep 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Allen Dunlap, D.O. located?
The NPPES record lists a practice address at 667 Eastland Ave SE, Warren, OH, 44484. Phone: (330) 841-4000. Providers update this record themselves, so call before visiting.
How can I verify Douglas Allen Dunlap, D.O.'s license?
NPPES lists Ohio license number 34-00-3463, 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 Douglas Allen Dunlap, D.O. prescribe under Medicare Part D?
In 2024, Douglas Allen Dunlap, D.O. had 831 Medicare Part D claims for 245 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.