Robert J. Zimmerman, M.D.
Emergency Medicine Physician · Chardon, OH
Robert J. Zimmerman, M.D. is an emergency medicine physician with a practice address in Chardon, Ohio, and NPI 1023093960, issued on Dec 14, 2005. Check the license (Ohio 35073086Z, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Robert J. Zimmerman
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 35073086Z OH
Self-reported in NPPES; status is on the state search - Practice location
- 13207 Ravenna RD, Chardon, OH 44024
- Phone
- (440) 285-6000
- Enumerated
- Dec 14, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (330) 656-5901
- Medicaid ID
- 2371786 OH
- Medicare enrollment
- Enrolled (PECOS I20040713001657); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1996
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Also registered at 13207 Ravenna RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kamal Abadir, M.D.Anesthesiology Physician1801889605
- Hassan AbdallaStudent in an Organized Health Care Education/Training Program1326989195
- Mahmoud Abuhamda, MDStudent in an Organized Health Care Education/Training Program1508507625
- Sam AfshariStudent in an Organized Health Care Education/Training Program1770343642
- Graham AkesonStudent in an Organized Health Care Education/Training Program1447953302
- Ahila Alexandria, D.O.Student in an Organized Health Care Education/Training Program1841975554
Verify Robert J. Zimmerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35073086ZCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average emergency medicine physician in 2024
184 Medicare Part D claims for 113 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Cephalexin20 claims
- Ondansetron Odt15 claims
- Prednisone13 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $39.93
2 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- Ues Geauga, LLCChardon, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert J. Zimmerman among 3,002 emergency medicine physician records in Ohio
Robert J. Zimmerman, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1996 · median 2013 among the 1,720 with a school on file
- Record last updated2026 · 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 Chardon → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Andrew Garlisi, M.D.Chardon, OH 440241962487819
- Melissa Nielsen, MDChardon, OH 440241437111291
- Tina Piscitelli-Shaffer, D.O.Chardon, OH 440241891946307
- Jennifer Jeromin, MDChagrin Falls, OH 440231558322701
- Jeffrey CaufieldMoreland Hills, OH 440221336427020
- Samuel Namey, DOConneaut, OH 440301376506410
- Shannon Swanson, DOConneaut, OH 440301023067550
- Richard Hausrod, MDElyria, OH 440351962493304
Common questions
What is Robert J. Zimmerman, M.D.'s NPI number?
Robert J. Zimmerman, M.D.'s National Provider Identifier (NPI) is 1023093960, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert J. Zimmerman, M.D. located?
The NPPES record lists a practice address at 13207 Ravenna RD, Chardon, OH, 44024. Phone: (440) 285-6000. Providers update this record themselves, so call before visiting.
How can I verify Robert J. Zimmerman, M.D.'s license?
NPPES lists Ohio license number 35073086Z, 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 Robert J. Zimmerman, M.D. prescribe under Medicare Part D?
In 2024, Robert J. Zimmerman, M.D. had 184 Medicare Part D claims for 113 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Robert J. Zimmerman, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.