Nicklaus Carrothers, M.D.
Internal Medicine Physician · Oregon, OH
Nicklaus Carrothers, M.D. is an internal medicine physician with a practice address in Oregon, Ohio, and NPI 1174268130, issued on May 3, 2022. Check the license (Ohio 35.153718, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Nicklaus Carrothers
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35.153718 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3841 Navarre Ave, Oregon, OH 43616
- Phone
- (419) 696-8132
- Enumerated
- May 3, 2022
- Record last updated
- Aug 7, 2025
- Fax
- (419) 691-2061
- Medicare enrollment
- Enrolled (PECOS I20250808002444); 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 3841 Navarre Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Riaz Chaudhary, M.D.Geriatric Medicine (Internal Medicine) Physician1912904236
- Puneet Chopra, M.D.Internal Medicine Physician1508200668
- Vallabh Dogra, M.D.Internal Medicine Physician1710624036
- Prabhsharn Grewal, MDInternal Medicine Physician1588232961
Verify Nicklaus Carrothers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.153718Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average internal medicine physician in 2024
960 Medicare Part D claims for 86 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium88 claims
- Amlodipine Besylate53 claims
- Metformin Hcl46 claims
- Carvedilol44 claims
- Levothyroxine Sodium34 claims
- Gabapentin28 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.
Bills Medicare through one group practice
- Mercy Health Physicians-North LLCToledo, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicklaus Carrothers among 5,277 internal medicine physician records in Ohio
Nicklaus Carrothers, M.D. 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 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2021 · 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).
11 internal medicine physician records list a practice address in Oregon
They are 11 of the 519 NPPES records with a practice address in Oregon, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Oregon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kanika Ahuja, M.D.Oregon, OH 436161124415781
- Manuel Bernardo, M.D.Oregon, OH 436161265496038
- Puneet Chopra, M.D.Oregon, OH 436161508200668
- Vallabh Dogra, M.D.Oregon, OH 436161710624036
- Prabhsharn Grewal, MDOregon, OH 436161588232961
- Bijender Kumar, M.D.Oregon, OH 436161033375084
- Ranvir RathoreOregon, OH 436161356598940
- Astrid Ross, MDOregon, OH 436161487141461
Common questions
What is Nicklaus Carrothers, M.D.'s NPI number?
Nicklaus Carrothers, M.D.'s National Provider Identifier (NPI) is 1174268130, issued on May 3, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Nicklaus Carrothers, M.D. located?
The NPPES record lists a practice address at 3841 Navarre Ave, Oregon, OH, 43616. Phone: (419) 696-8132. Providers update this record themselves, so call before visiting.
How can I verify Nicklaus Carrothers, M.D.'s license?
NPPES lists Ohio license number 35.153718, 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 Nicklaus Carrothers, M.D. prescribe under Medicare Part D?
In 2024, Nicklaus Carrothers, M.D. had 960 Medicare Part D claims for 86 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.