Dan N. Olson, M.D.
Internal Medicine Physician · Cortland, OH
Dan N. Olson, M.D. is an internal medicine physician with a practice address in Cortland, Ohio, and NPI 1417981077, issued on Jul 10, 2006. Check the license (Ohio 35045552, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Dan N. Olson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35045552 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2600 State Route 5, Cortland, OH 44410
- Phone
- (330) 372-8800
- Enumerated
- Jul 10, 2006
- Record last updated
- Apr 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (330) 372-8999
- Medicaid ID
- 0465527 OH
- Medicare enrollment
- Enrolled (PECOS I20050310000339); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1974
- Entity
- Type 1 · individual
Also registered at 2600 State Route 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda Cuculic, M.D.Family Medicine Physician1376573691
- Lynnette Dotson, CNPFamily Nurse Practitioner1770767972
- Mary Fontanarosa, M.D.Internal Medicine Physician1902824188
- Leonard Kanterman, M.D.Internal Medicine Physician1952335622
- Benjamin Kulper, M.D.Internal Medicine Physician1174557854
- Ruth Quarles, M.D.Family Medicine Physician1508892811
Verify Dan N. Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35045552Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average internal medicine physician in 2024
5,859 Medicare Part D claims for 457 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 281 claims were for opioids.
Most prescribed
- Atorvastatin Calcium325 claims
- Rosuvastatin Calcium216 claims
- Levothyroxine Sodium193 claims
- Omeprazole178 claims
- Spironolactone159 claims
- Lisinopril152 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: $371.48
19 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. 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
- Trumbull Mahoning Medical Group, Inc.Cortland, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
8 internal medicine physician records list a practice address in Cortland
They are 8 of the 206 NPPES records with a practice address in Cortland, and 5,277 internal medicine physician records in Ohio.
All 8 in Cortland → All 5,277 in Ohio → Every provider in Cortland →
Other internal medicine physician records in Ohio
- Evan Abalos, D.O.Toledo, OH1194163089
- Susan Abbott, MDCincinnati, OH1568414290
- Walid Abboud, MDCleveland, OH1245295559
- Joelle Abdallah, MDColumbus, OH1912577651
- Mandi Abdel Ahad, DOCleveland, OH1235870551
- Saaid Abdel-Ghani, M.D.Columbus, OH1598926529
- Bahaa Abdelghaffar, MDCleveland, OH1265954275
- John Abdelnour, MDCleveland, OH1114656931
- Ahmad Abdelrahman, MDToledo, OH1134859192
- Nawal Abdi, MDCleveland, OH1154002582
Common questions
What is Dan N. Olson, M.D.'s NPI number?
Dan N. Olson, M.D.'s National Provider Identifier (NPI) is 1417981077, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dan N. Olson, M.D. located?
The NPPES record lists a practice address at 2600 State Route 5, Cortland, OH, 44410. Phone: (330) 372-8800. Providers update this record themselves, so call before visiting.
How can I verify Dan N. Olson, M.D.'s license?
NPPES lists Ohio license number 35045552, 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 Dan N. Olson, M.D. prescribe under Medicare Part D?
In 2024, Dan N. Olson, M.D. had 5,859 Medicare Part D claims for 457 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.