Adelaida Magallanes, MD
Internal Medicine Physician · Greenwich, CT
Adelaida Magallanes, MD is an internal medicine physician with a practice address in Greenwich, Connecticut, and NPI 1720460173, issued on Jun 22, 2015. Check the license (Connecticut 79789, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Adelaida Magallanes
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 79789 CT
A148011 CA
319090 NY
MD60844924 WA
Self-reported in NPPES; status is on the state search - Practice location
- 5 Perryridge RD, Greenwich, CT 06830
- Phone
- (203) 863-3972
- Enumerated
- Jun 22, 2015
- Record last updated
- Jan 28, 2025
- Fax
- (203) 863-4647
- Medicare enrollment
- Enrolled (PECOS I20221011001576); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 5 Perryridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Saheeb AhmedStudent in an Organized Health Care Education/Training Program1326626748
- Rachel Alfandre, LCSWClinical Social Worker1497077259
- Vicki Altmeyer, M.D.Anatomic Pathology & Clinical Pathology Physician1700807898
Verify Adelaida Magallanes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 79789Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
321 Medicare Part D claims for 103 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium21 claims
- Amoxicillin-Clavulanate Potass13 claims
- Levofloxacin13 claims
- Levetiracetam11 claims
- 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- New York UniversityBrooklyn, NY
- Northeast Medical Group IncGreenwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adelaida Magallanes among 2,623 internal medicine physician records in Connecticut
Adelaida Magallanes, MD 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 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2004 among the 1,646 with a school on file
- Record last updated2025 · 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).
54 internal medicine physician records list a practice address in Greenwich
They are 54 of the 1,184 NPPES records with a practice address in Greenwich, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Greenwich → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anthony Alleva, MDGreenwich, CT 068301518938778
- Joseph Andrews, M.D.Greenwich, CT 068301740280411
- Allen Chodock, MDGreenwich, CT 068301811928138
- John Delvecchio, MDGreenwich, CT 068301619990868
- Stephen Jones, M.D.Greenwich, CT 068301174547038
- Ellika Mardh, M.D.Greenwich, CT 068301235150145
- Mohammad Reza Moienafshari, M.D.Greenwich, CT 068301154396893
- Marcelyn Molloy, MDGreenwich, CT 068301053301358
Common questions
What is Adelaida Magallanes, MD's NPI number?
Adelaida Magallanes, MD's National Provider Identifier (NPI) is 1720460173, issued on Jun 22, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Adelaida Magallanes, MD located?
The NPPES record lists a practice address at 5 Perryridge RD, Greenwich, CT, 06830. Phone: (203) 863-3972. Providers update this record themselves, so call before visiting.
How can I verify Adelaida Magallanes, MD's license?
NPPES lists Connecticut license number 79789, 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 Adelaida Magallanes, MD prescribe under Medicare Part D?
In 2024, Adelaida Magallanes, MD had 321 Medicare Part D claims for 103 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Adelaida Magallanes, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.