Jonathan Alexander, M.D.
Cardiovascular Disease Physician · Danbury, CT
Jonathan Alexander, M.D. is a cardiovascular disease physician with a practice address in Danbury, Connecticut, and NPI 1710921754, issued on Jun 16, 2006. Check the license (Connecticut 018828, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jonathan Alexander
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 018828 CT
Self-reported in NPPES; status is on the state search - Practice location
- 24 Hospital Ave, Danbury, CT 06810
- Phone
- (203) 797-7379
- Enumerated
- Jun 16, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 1168287 CT
- Medicare enrollment
- Enrolled (PECOS I20090203000558); may accept Medicare assignment
- Medical or professional school
- Harvard Medical School, 1973
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 503 in Connecticut → Look up another NPI →
Also registered at 24 Hospital Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline AddonaStudent in an Organized Health Care Education/Training Program1669232443
- Fernando Afonso, M.D.Internal Medicine Physician1992980536
- Alka Aggarwal, MDInternal Medicine Physician1427041987
- Mohamed Ahmed, M.D.Internal Medicine Physician1235391756
- Syed Rakin Ahmed, MD, PHDStudent in an Organized Health Care Education/Training Program1518809870
- Gregory Albert, MDAnesthesiology Physician1588797930
Verify Jonathan Alexander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 018828Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% more Medicare Part D claims than the average cardiovascular disease physician in 2024
4,478 Medicare Part D claims for 615 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Rosuvastatin Calcium538 claims
- Metoprolol Succinate493 claims
- Atorvastatin Calcium403 claims
- Eliquis311 claims
- Metoprolol Tartrate294 claims
- Amlodipine Besylate234 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.
The MIPS final score for 2023 (Medicare payment program): 94.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $34.91
2 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 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.
Jonathan Alexander among 503 cardiovascular disease physician records in Connecticut
Jonathan Alexander, M.D. is one of 503 cardiovascular disease physician records with a practice address in Connecticut. 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 23% of them.
- NPI issued2006 · 23% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1973 · median 2000 among the 348 with a school on file
- Record last updated2007 · 71% 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 Connecticut 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 Connecticut
There are 503 cardiovascular disease physician records in Connecticut.
All 503 in Connecticut → Every provider in Danbury → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Margaret Bond, M.D.Danbury, CT 068101073538393
- David Copen, M.D.Danbury, CT 068101871529974
- Samuel Felder, M.D.Danbury, CT 068101255367041
- Ira Galin, M.D.Danbury, CT 068101588701585
- Robert Jarrett, MDDanbury, CT 068101710945779
- Andrew Keller, M.D.Danbury, CT 068101013943810
- Harvey Kramer, M.D.Danbury, CT 068101518993302
- Susan Mani, M.D.Danbury, CT 068101356384531
Common questions
What is Jonathan Alexander, M.D.'s NPI number?
Jonathan Alexander, M.D.'s National Provider Identifier (NPI) is 1710921754, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Alexander, M.D. located?
The NPPES record lists a practice address at 24 Hospital Ave, Danbury, CT, 06810. Phone: (203) 797-7379. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Alexander, M.D.'s license?
NPPES lists Connecticut license number 018828, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan Alexander, M.D. prescribe under Medicare Part D?
In 2024, Jonathan Alexander, M.D. had 4,478 Medicare Part D claims for 615 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Jonathan Alexander, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.