Michael Fellenbaum, MD
Emergency Medicine Physician · Cleveland, OH
Michael Fellenbaum, MD is an emergency medicine physician with a practice address in Cleveland, Ohio, and NPI 1134756646, issued on Mar 25, 2020. Check the license (Ohio 35.146918, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Michael Fellenbaum
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 35.146918 OH
Self-reported in NPPES; status is on the state search - Practice location
- Cleveland Clinic Esi 9105 Cedar Ave E Bldg, Cleveland, OH 44195
- Phone
- (216) 445-4500
- Enumerated
- Mar 25, 2020
- Record last updated
- Aug 11, 2023
- Medicare enrollment
- Enrolled (PECOS I20230906002945); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Verify Michael Fellenbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.146918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average emergency medicine physician in 2024
78 Medicare Part D claims for 68 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Sulfamethoxazole-Trimethoprim11 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.
One hospital affiliation
- Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Michael Fellenbaum among 3,002 emergency medicine physician records in Ohio
Michael Fellenbaum, MD is one of 3,002 emergency medicine physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2013 among the 1,720 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Ohio
There are 3,002 emergency medicine physician records in Ohio.
All 3,002 in Ohio → Every provider in Cleveland → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jamie Blicker, MDCleveland, OH 441951770546509
- Laura Copeland, MDCleveland, OH 441951861456535
- Steven Dorsey, MDCleveland, OH 441951760446934
- Fredric Hustey, M.D.Cleveland, OH 441951750345971
- Damon Kralovic, DOCleveland, OH 441951316976723
- Cynthia Leung, MDCleveland, OH 441951326074626
- Valerie Lopez, MDCleveland, OH 441951235187154
- Ann McMullin, M.D.Cleveland, OH 441951033173596
Common questions
What is Michael Fellenbaum, MD's NPI number?
Michael Fellenbaum, MD's National Provider Identifier (NPI) is 1134756646, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Michael Fellenbaum, MD located?
The NPPES record lists a practice address at Cleveland Clinic Esi 9105 Cedar Ave E Bldg, Cleveland, OH, 44195. Phone: (216) 445-4500. Providers update this record themselves, so call before visiting.
How can I verify Michael Fellenbaum, MD's license?
NPPES lists Ohio license number 35.146918, 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 Michael Fellenbaum, MD prescribe under Medicare Part D?
In 2024, Michael Fellenbaum, MD had 78 Medicare Part D claims for 68 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.