Bob Erdelyi, MD
Internal Medicine Physician · Marietta, OH
Bob Erdelyi, MD is an internal medicine physician with a practice address in Marietta, Ohio, and NPI 1780689109, issued on Jun 14, 2005. Check the license (Ohio 35075919, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Bob Erdelyi
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35075919 OH
Self-reported in NPPES; status is on the state search - Practice location
- 400 Matthew St, Marietta, OH 45750
- Phone
- (740) 373-6725
- Enumerated
- Jun 14, 2005
- Entity
- Type 1 · individual
Also registered at 400 Matthew St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bradley Carman, DO FACOSSurgery Physician1295774040
- Jenny Daubert, PA-CPhysician Assistant1548676778
- Lauren Edgar, APRN-BCFamily Nurse Practitioner1114551454
Verify Bob Erdelyi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35075919Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
173 Medicare Part D claims for 30 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Lisinopril33 claims
- Atorvastatin Calcium29 claims
- Losartan Potassium16 claims
- Finasteride11 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.
30 internal medicine physician records list a Marietta practice address
They are 30 of the 1,141 NPPES records with a Marietta practice address, and 5,995 internal medicine physician records in Ohio.
All 30 in Marietta → All 5,995 in Ohio → Every provider in Marietta →
Other internal medicine physician records in Ohio
- Evan Abalos, D.O.Toledo, OH1194163089
- Teah Abashidze, M.D.Cleveland, OH1336179647
- Rami Abboud, MDLorain, OH1487854972
- Walid Abboud, MDCleveland, OH1245295559
- Moshrik Abd-Alamir, M.D.Toledo, OH1386879054
- Jason Abdallah, M.D.Cuyahoga Falls, OH1093071565
- Saaid Abdel-Ghani, M.D.Columbus, OH1598926529
- Mohammed Abdelaziz, MDDayton, OH1831326701
- Bahaa Abdelghaffar, MDCleveland, OH1265954275
- John Abdelnour, MDCleveland, OH1114656931
Common questions
What is Bob Erdelyi, MD's NPI number?
Bob Erdelyi, MD's National Provider Identifier (NPI) is 1780689109, issued on Jun 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Bob Erdelyi, MD located?
The NPPES record lists a practice address at 400 Matthew St, Marietta, OH, 45750. Phone: (740) 373-6725. Providers update this record themselves, so call before visiting.
How can I verify Bob Erdelyi, MD's license?
NPPES lists Ohio license number 35075919, 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 Bob Erdelyi, MD prescribe under Medicare Part D?
In 2024, Bob Erdelyi, MD had 173 Medicare Part D claims for 30 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.