NPPES file of Aug 9, 2026

Jillian Alfonso, MD

Student in an Organized Health Care Education/Training Program · Bronx, NY

Jillian Alfonso, MD is a student in an organized health care education/training program with a practice address in Bronx, New York, and NPI 1629224159, issued on Aug 15, 2008. Check the license with the New York board that licenses this profession; 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
1629224159
Name
Jillian Alfonso
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
3400 Bainbridge Ave, Bronx, NY 10467
Phone
(718) 920-8888
Enumerated
Aug 15, 2008
Record last updated
Dec 13, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090929000064); may accept Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 2006
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 3400 Bainbridge Ave

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

  1. Milinda Aiello, NPAcute Care Nurse Practitioner1346811254
  2. Terry Amaral, MDOrthopaedic Surgery Physician1891870192
  3. Alyssa Beckinella, PA-CPhysician Assistant1518756865
  4. Marisa Bellotti, AU.D.Audiologist1184039315
  5. Janis Bilello, P.C.-CMedical Physician Assistant1336198613
  6. Sarah Bjork, MDPulmonary Disease Physician1790343689

Verify Jillian Alfonso in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this professionCheck 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
Find the New York 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

73.9 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024

13,666 Medicare Part D claims for 824 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Jillian Alfonso13,666
  2. Specialty average185

Most prescribed

  1. Rosuvastatin Calcium684 claims
  2. Atorvastatin Calcium676 claims
  3. Amlodipine Besylate572 claims
  4. Levothyroxine Sodium474 claims
  5. Albuterol Sulfate Hfa408 claims
  6. Jardiance339 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  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, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. Montefiore Medical CenterBronx, NY · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

4,094 student in an organized health care education/training program records list a practice address in Bronx

They are 4,094 of the 32,017 NPPES records with a practice address in Bronx, and 37,241 student in an organized health care education/training program records in New York.

Other student in an organized health care education/training program records in New York

  1. Asna Aafreen, M.B.B.S.Albany, NY1790470599
  2. Arshia Aalami Harandi, MD, MSStony Brook, NY1033810627
  3. Aditi Reddy AalatiNew York, NY1790645729
  4. Muhammad Aameish, MDNew York, NY1508471889
  5. Alifiya Aamir, M.DBrooklyn, NY1023866902
  6. Aroosha AamirBrooklyn, NY1952245342
  7. Lucy AaronNew York, NY1669276028
  8. Claire AasenNew York, NY1245817808
  9. Supreet Aashat, DOBronx, NY1326833542
  10. Tsion AbabiyaBrooklyn, NY1235006552

Common questions

What is Jillian Alfonso, MD's NPI number?

Jillian Alfonso, MD's National Provider Identifier (NPI) is 1629224159, issued on Aug 15, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Jillian Alfonso, MD located?

The NPPES record lists a practice address at 3400 Bainbridge Ave, Bronx, NY, 10467. Phone: (718) 920-8888. Providers update this record themselves, so call before visiting.

How can I verify Jillian Alfonso, MD's license?

Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Jillian Alfonso, MD prescribe under Medicare Part D?

In 2024, Jillian Alfonso, MD had 13,666 Medicare Part D claims for 824 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.

What is Jillian Alfonso, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.