NPPES file of Aug 9, 2026

Fernando Afonso, M.D.

Internal Medicine Physician · Danbury, CT

Fernando Afonso, M.D. is an internal medicine physician with a practice address in Danbury, Connecticut, and NPI 1992980536, issued on Jan 2, 2008. Check the license (Connecticut 049205, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992980536
Name
Fernando Afonso
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
049205 CT
49205 CT
Self-reported in NPPES; status is on the state search
Practice location
24 Hospital Ave, Danbury, CT 06810
Phone
(203) 739-6959
Enumerated
Jan 2, 2008
Record last updated
Jul 11, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(203) 739-6495
Medicare enrollment
Enrolled (PECOS I20101210000007); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 24 Hospital Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jacqueline AddonaStudent in an Organized Health Care Education/Training Program1669232443
  2. Alka Aggarwal, MDInternal Medicine Physician1427041987
  3. Mohamed Ahmed, M.D.Internal Medicine Physician1235391756
  4. Syed Rakin Ahmed, MD, PHDStudent in an Organized Health Care Education/Training Program1518809870
  5. Gregory Albert, MDAnesthesiology Physician1588797930
  6. Gustavo Alday, M.D.Internal Medicine Physician1962544098

Verify Fernando Afonso in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 049205
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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95% fewer Medicare Part D claims than the average internal medicine physician in 2024

163 Medicare Part D claims for 80 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Fernando Afonso163
  2. Specialty average3,176

Most prescribed

  1. Furosemide16 claims
  2. Cefpodoxime Proxetil12 claims
  3. Eliquis11 claims
  4. Metoprolol Succinate11 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.

  1. Qualityout of 100 · 30% of the final score78.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Nuvance Health Medical Practice CT IncDanbury, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Fernando Afonso among 2,623 internal medicine physician records in Connecticut

Fernando Afonso, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2007 · median 2004 among the 1,646 with a school on file
  • Record last updated2018 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

112 internal medicine physician records list a practice address in Danbury

They are 112 of the 2,412 NPPES records with a practice address in Danbury, and 2,623 internal medicine physician records in Connecticut.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Alka Aggarwal, MDDanbury, CT 068101427041987
  2. Charles Cahn, M.D.Danbury, CT 068101720064504
  3. Karen Coblens, MDDanbury, CT 068101063479848
  4. Allen Davis, M.D.Danbury, CT 068101639163439
  5. Amin Elashker, DODanbury, CT 068101093794182
  6. Sateesh Kathiravelu, M.D.Danbury, CT 068101083665244
  7. Asha Marhatta, MD; MPHDanbury, CT 068101366490013
  8. Kathleen Mauks, M.D.Danbury, CT 068101629064035

Common questions

What is Fernando Afonso, M.D.'s NPI number?

Fernando Afonso, M.D.'s National Provider Identifier (NPI) is 1992980536, issued on Jan 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Fernando Afonso, M.D. located?

The NPPES record lists a practice address at 24 Hospital Ave, Danbury, CT, 06810. Phone: (203) 739-6959. Providers update this record themselves, so call before visiting.

How can I verify Fernando Afonso, M.D.'s license?

NPPES lists Connecticut license number 049205, 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 Fernando Afonso, M.D. prescribe under Medicare Part D?

In 2024, Fernando Afonso, M.D. had 163 Medicare Part D claims for 80 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Fernando Afonso, 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.