George Behnam Isaac, M.D.
Specialist · Dubuque, IA
George Behnam Isaac, M.D. is a specialist with a practice address in Dubuque, Iowa, and NPI 1588652416, issued on Oct 13, 2005. Check the license (Iowa 32128, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- George Behnam Isaac
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 32128 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2140 John F Kennedy RD, Dubuque, IA 52002
- Phone
- (563) 583-4848
- Enumerated
- Oct 13, 2005
- Record last updated
- Dec 7, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (563) 690-1304
- Medicaid ID
- 1159236 IA
- Medicare enrollment
- Enrolled (PECOS I20080516000553); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 123 in Iowa → Look up another NPI →
Also registered at 2140 John F Kennedy RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Juan Nieto, M.D.Ophthalmology Physician1780770156
- Ronald Sims, M.D.Neurology Physician1639138837
Verify George Behnam Isaac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 32128Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average specialist in 2024
4,449 Medicare Part D claims for 466 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
Most prescribed
- Methotrexate996 claims
- Prednisone728 claims
- Hydroxychloroquine Sulfate557 claims
- Allopurinol346 claims
- Gabapentin342 claims
- Duloxetine Hcl112 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: $692.79
36 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
George Behnam Isaac among 123 specialist records in Iowa
George Behnam Isaac, M.D. is one of 123 specialist records with a practice address in Iowa. 29% 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, 97% newer
- In a Medicare fileYes · 29% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated1983 · median 1988 among the 28 with a school on file
- Record last updated2007 · 85% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Iowa
There are 123 specialist records in Iowa.
All 123 in Iowa → Every provider in Dubuque → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- David Field, M.D.Dubuque, IA 520021770563926
- Kevin Grogan, C-PEDDubuque, IA 520021477636868
- Joan Knockel, LCMTDubuque, IA 520021154533446
- Tina Shade, MTDubuque, IA 520021871830018
- Amy Steinback, LCMTDubuque, IA 520021861678369
- Kristina Adkins, M.D.Dubuque, IA 520011952374456
- Erin Donovan, LMTDubuque, IA 520031144536988
- John Hartmann, D.O.Dubuque, IA 520011154394989
Common questions
What is George Behnam Isaac, M.D.'s NPI number?
George Behnam Isaac, M.D.'s National Provider Identifier (NPI) is 1588652416, issued on Oct 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is George Behnam Isaac, M.D. located?
The NPPES record lists a practice address at 2140 John F Kennedy RD, Dubuque, IA, 52002. Phone: (563) 583-4848. Providers update this record themselves, so call before visiting.
How can I verify George Behnam Isaac, M.D.'s license?
NPPES lists Iowa license number 32128, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does George Behnam Isaac, M.D. prescribe under Medicare Part D?
In 2024, George Behnam Isaac, M.D. had 4,449 Medicare Part D claims for 466 beneficiaries; the average among specialist prescribers was 1,380. 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.