Charles A. Longo, M.D.
Cardiovascular Disease Physician · Dubuque, IA
Charles A. Longo, M.D. is a cardiovascular disease physician with a practice address in Dubuque, Iowa, and NPI 1700855186, issued on Mar 16, 2006. Check the license (Iowa 20324, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Charles A. Longo
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 20324 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Delhi St, Dubuque, IA 52001
- Phone
- (563) 557-9111
- Enumerated
- Mar 16, 2006
- Record last updated
- Oct 18, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (563) 589-4046
- Medicaid IDs
- 0152744 IA
30225800 WI - Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 169 in Iowa → Look up another NPI →
Also registered at 1515 Delhi St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebekah Bond, M.D.Hospitalist Physician1588633002
- Zhengjin Cao, M.D.Internal Medicine Physician1861616039
- Richard Fairley, M.D.Internal Medicine Physician1801862552
- Krishnarao Gorrepati, MDGastroenterology Physician1588624811
- Angela Hubanks, PA-CMedical Physician Assistant1356538300
- Ronald Iverson, M.D.Endocrinology, Diabetes & Metabolism Physician1265407589
Verify Charles A. Longo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 20324Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
24 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.
Most prescribed
- Calcitriol12 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.
Charles A. Longo among 169 cardiovascular disease physician records in Iowa
Charles A. Longo, M.D. is one of 169 cardiovascular disease physician records with a practice address in Iowa. 83% 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 27% of them.
- NPI issued2006 · 27% of these records are older, 40% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Iowa
There are 169 cardiovascular disease physician records in Iowa.
All 169 in Iowa → Every provider in Dubuque → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Rami Eltibi, M.D.Dubuque, IA 520011932214194
- Thomas Johnson, M.D.Dubuque, IA 520011801848486
- Tauseef Khan, M.D.Dubuque, IA 520011972585610
- Brian Loc, D.O.Dubuque, IA 520011033599691
- Timothy Martin, M.D.Dubuque, IA 520011760441927
- Ramanujam Ramabadran, M.D.Dubuque, IA 520011417151143
- John Richardson, M.D.Dubuque, IA 520011235183872
- Nidal Harb, M.D.Coralville, IA 522411871572677
Common questions
What is Charles A. Longo, M.D.'s NPI number?
Charles A. Longo, M.D.'s National Provider Identifier (NPI) is 1700855186, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles A. Longo, M.D. located?
The NPPES record lists a practice address at 1515 Delhi St, Dubuque, IA, 52001. Phone: (563) 557-9111. Providers update this record themselves, so call before visiting.
How can I verify Charles A. Longo, M.D.'s license?
NPPES lists Iowa license number 20324, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles A. Longo, M.D. prescribe under Medicare Part D?
In 2024, Charles A. Longo, M.D. had 24 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. 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.