Isam Diab, MD
Rheumatology Physician · Middleburg Hts, OH
Isam Diab, MD is a rheumatology physician with a practice address in Middleburg Hts, Ohio, and NPI 1063488765, issued on Feb 23, 2006. Check the license (Ohio 35059458D, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Isam Diab
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 35059458D OH
Self-reported in NPPES; status is on the state search - Practice location
- 18660 Bagley Road, Middleburg Hts, OH 44130
- Phone
- (440) 891-9395
- Enumerated
- Feb 23, 2006
- Record last updated
- May 27, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (440) 891-1765
- Medicaid ID
- 0786707 OH
- Medicare enrollment
- Enrolled (PECOS I20070927000621); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 289 in Ohio → Look up another NPI →
Also registered at 18660 Bagley Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Natwarlal Jethva, MDInternal Medicine Physician1982671186
Verify Isam Diab in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35059458DCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.5 times the Medicare Part D claims of the average rheumatology physician in 2024
10,893 Medicare Part D claims for 946 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 1,491 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate1,171 claims
- Prednisone1,119 claims
- Methotrexate938 claims
- Tramadol Hcl759 claims
- Hydrocodone-Acetaminophen523 claims
- Leflunomide517 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: $3,545.12
164 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- Premier Physicians Centers IncMiddleburg Heights, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isam Diab among 289 rheumatology physician records in Ohio
Isam Diab, MD is one of 289 rheumatology 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 52% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1978 · median 2004 among the 201 with a school on file
- Record last updated2008 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 rheumatology physician record lists a practice address in Middleburg Hts
They are 1 of the 44 NPPES records with a practice address in Middleburg Hts, and 289 rheumatology physician records in Ohio.
All 289 in Ohio → Every provider in Middleburg Hts → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Gheorghe Ignat, MDCleveland, OH 441301194810432
- Giuseppe Antonelli, M.D.Parma, OH 441291912976473
- William Crowe, M.D.Parma, OH 441291154373975
- John Taylor, MDEuclid, OH 441321073696837
- Scott Burg, DOMayfield Hts, OH 441241093808123
- Frederic Bishko, M.D.Shaker Heights, OH 441221639317696
- David Blumenthal, MDBeachwood, OH 441221639243223
- Jeffrey Chaitoff, MDSolon, OH 441391639175375
Common questions
What is Isam Diab, MD's NPI number?
Isam Diab, MD's National Provider Identifier (NPI) is 1063488765, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isam Diab, MD located?
The NPPES record lists a practice address at 18660 Bagley Road, Middleburg Hts, OH, 44130. Phone: (440) 891-9395. Providers update this record themselves, so call before visiting.
How can I verify Isam Diab, MD's license?
NPPES lists Ohio license number 35059458D, 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 Isam Diab, MD prescribe under Medicare Part D?
In 2024, Isam Diab, MD had 10,893 Medicare Part D claims for 946 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.