Robert Edwin Exten, MD
Hematology (Internal Medicine) Physician · Lima, OH
Robert Edwin Exten, MD is a hematology (internal medicine) physician with a practice address in Lima, Ohio, and NPI 1205832375, issued on Jun 23, 2005. Check the license (Ohio 35.038459, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Robert Edwin Exten
- Credential
- MD
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License numbers
- 35.038459 OH
35038459E OH
Self-reported in NPPES; status is on the state search - Practice location
- 803 W Market St Ste 200, Lima, OH 45805
- Phone
- (419) 222-3737
- Enumerated
- Jun 23, 2005
- Record last updated
- Aug 21, 2023
- Fax
- (419) 229-3234
- Medicaid ID
- 0519460 OH
- Medicare enrollment
- Enrolled (PECOS I20060103000850); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1975
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 89 in Ohio → Look up another NPI →
Also registered at 803 W Market St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Delong, CNPFamily Nurse Practitioner1235901059
- Jennifer Hatton, M.D.Hematology & Oncology Physician1386931434
- Heather Lagrande, CNPAcute Care Nurse Practitioner1346860806
- Shannan Robenalt, CNPFamily Nurse Practitioner1598303455
- Stacie Schuerman, PAPhysician Assistant1598213720
Verify Robert Edwin Exten in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.038459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
483 Medicare Part D claims for 106 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 16 claims were for opioids.
Most prescribed
- Abiraterone Acetate53 claims
- Prednisone39 claims
- Letrozole34 claims
- Lidocaine-Prilocaine23 claims
- Hydroxyurea21 claims
- Ondansetron Odt21 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): 81.3 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).
Industry payments in 2024: $29.03
2 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 721 providers of this specialty with any payment received $13,778.35 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.
Robert Edwin Exten among 89 hematology (internal medicine) physician records in Ohio
Robert Edwin Exten, MD is one of 89 hematology (internal medicine) physician records with a practice address in Ohio. 92% 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, 98% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated1975 · median 2009 among the 77 with a school on file
- Record last updated2023 · 22% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Ohio
There are 89 hematology (internal medicine) physician records in Ohio.
All 89 in Ohio → Every provider in Lima → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Kathleen Oxner, M.D.Beavercreek, OH 454311649512138
- Joseph Palascak, M.D.Cincinnati, OH 452671205894151
- Ahmed Galal, MDCincinnati, OH 452361902179906
- Kyle Beckwith, MDCincinnati, OH 452191932604519
- Jahnavi Gollamudi, M.DCincinnati, OH 452191912342478
- Bryan Hambley, M.D.Cincinnati, OH 452191386905941
- Kristine Karkoska, M.D., M.S.Cincinnati, OH 452191447679717
- Ronald Sacher, M.D.Cincinnati, OH 452191265490759
Common questions
What is Robert Edwin Exten, MD's NPI number?
Robert Edwin Exten, MD's National Provider Identifier (NPI) is 1205832375, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Edwin Exten, MD located?
The NPPES record lists a practice address at 803 W Market St Ste 200, Lima, OH, 45805. Phone: (419) 222-3737. Providers update this record themselves, so call before visiting.
How can I verify Robert Edwin Exten, MD's license?
NPPES lists Ohio license number 35.038459, 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 Robert Edwin Exten, MD prescribe under Medicare Part D?
In 2024, Robert Edwin Exten, MD had 483 Medicare Part D claims for 106 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
What is Robert Edwin Exten, MD's MIPS final score?
The 2023 MIPS final score is 81.3 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.