Registry data as of Aug 27, 2026

Dan Olson, M.D.

Internal Medicine Physician · Cortland, OH

Dan 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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1417981077
Name
Dan 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2600 State Route 5

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Linda Cuculic, M.D.Family Medicine Physician1376573691
  2. Lynnette Dotson, CNPFamily Nurse Practitioner1770767972
  3. Mary Fontanarosa, M.D.Internal Medicine Physician1902824188
  4. Leonard Kanterman, M.D.Internal Medicine Physician1952335622
  5. Benjamin Kulper, M.D.Internal Medicine Physician1174557854
  6. Ruth Quarles, M.D.Family Medicine Physician1508892811

Verify Dan Olson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35045552
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

2.1 times the Medicare Part D claims of the average internal medicine physician in 2024

5,859 Medicare Part D claims for 457 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 281 claims were for opioids.

  1. Dan Olson5,859
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium325 claims
  2. Rosuvastatin Calcium216 claims
  3. Levothyroxine Sodium193 claims
  4. Omeprazole178 claims
  5. Spironolactone159 claims
  6. 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, mostly food and beverage; the largest payer was Lundbeck LLC. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dan Olson$371.48
  2. Specialty average$2,536.66

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Trumbull Mahoning Medical Group, Inc.Cortland, OH

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

8 internal medicine physician records list a Cortland practice address

They are 8 of the 206 NPPES records with a Cortland practice address, and 5,995 internal medicine physician records in Ohio.

Other internal medicine physician records in Ohio

  1. Evan Abalos, D.O.Toledo, OH1194163089
  2. Teah Abashidze, M.D.Cleveland, OH1336179647
  3. Rami Abboud, MDLorain, OH1487854972
  4. Walid Abboud, MDCleveland, OH1245295559
  5. Moshrik Abd-Alamir, M.D.Toledo, OH1386879054
  6. Jason Abdallah, M.D.Cuyahoga Falls, OH1093071565
  7. Saaid Abdel-Ghani, M.D.Columbus, OH1598926529
  8. Mohammed Abdelaziz, MDDayton, OH1831326701
  9. Bahaa Abdelghaffar, MDCleveland, OH1265954275
  10. John Abdelnour, MDCleveland, OH1114656931

Common questions

What is Dan Olson, M.D.'s NPI number?

Dan 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 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 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 Olson, M.D. prescribe under Medicare Part D?

In 2024, Dan Olson, M.D. had 5,859 Medicare Part D claims for 457 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.