Douglas D. Fosselman, M.D.
Internal Medicine Physician · Westerville, OH
Douglas D. Fosselman, M.D. is an internal medicine physician with a practice address in Westerville, Ohio, and NPI 1679556229, issued on Nov 28, 2005. Check the license (Ohio 35-04-9664, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Douglas D. Fosselman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35-04-9664 OH
Self-reported in NPPES; status is on the state search - Practice location
- 555 W Schrock RD, Westerville, OH 43081
- Phone
- (614) 882-0708
- Enumerated
- Nov 28, 2005
- Record last updated
- Mar 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (614) 882-2878
- Medicaid ID
- 0605090 OH
- Medicare enrollment
- Enrolled (PECOS I20100105000809); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 555 W Schrock RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Steven Laudon, LPCCMental Health Counselor1912122078
Verify Douglas D. Fosselman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-04-9664Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average internal medicine physician in 2024
8,218 Medicare Part D claims for 522 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 97 claims were for opioids.
Most prescribed
- Levothyroxine Sodium435 claims
- Rosuvastatin Calcium403 claims
- Atorvastatin Calcium397 claims
- Losartan Potassium230 claims
- Metoprolol Succinate219 claims
- Omeprazole210 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: $980.59
51 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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 2 group practices
- Central Ohio Primary Care Physicians, Inc.Columbus, OH
- Wedgewood Urgent Care, LtdSunbury, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas D. Fosselman among 5,277 internal medicine physician records in Ohio
Douglas D. Fosselman, 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 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
- Graduated1982 · median 2006 among the 3,414 with a school on file
- Record last updated2011 · 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).
59 internal medicine physician records list a practice address in Westerville
They are 59 of the 3,300 NPPES records with a practice address in Westerville, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Westerville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jacqueline Amico, M.D.Westerville, OH 430811487640264
- Nancy Andreano, DOWesterville, OH 430811750320024
- James Cacchillo, D.O.Westerville, OH 430811588642896
- Nami Cho, M.D.Westerville, OH 430811023091683
- Nina Deep, M.D.Westerville, OH 430811154308369
- Mark Easterday, M.D.Westerville, OH 430811891773263
- Jennifer Haines, M.D.Westerville, OH 430811043206824
- Rena Henriques, M.D.Columbus, OH 430811851324644
Common questions
What is Douglas D. Fosselman, M.D.'s NPI number?
Douglas D. Fosselman, M.D.'s National Provider Identifier (NPI) is 1679556229, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Douglas D. Fosselman, M.D. located?
The NPPES record lists a practice address at 555 W Schrock RD, Westerville, OH, 43081. Phone: (614) 882-0708. Providers update this record themselves, so call before visiting.
How can I verify Douglas D. Fosselman, M.D.'s license?
NPPES lists Ohio license number 35-04-9664, 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 D. Fosselman, M.D. prescribe under Medicare Part D?
In 2024, Douglas D. Fosselman, M.D. had 8,218 Medicare Part D claims for 522 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.