NPPES file of Aug 9, 2026

Nathalia Arias Alzate, MD

Family Medicine Physician · Chelsea, MA

Nathalia Arias Alzate, MD is a family medicine physician with a practice address in Chelsea, Massachusetts, and NPI 1023699055, issued on Apr 20, 2021. Check the license (Massachusetts 10220822, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1023699055
Name
Nathalia Arias Alzate
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
10220822 MA
Self-reported in NPPES; status is on the state search
Practice location
1000 Broadway, Chelsea, MA 02150
Phone
(617) 975-6200
Enumerated
Apr 20, 2021
Record last updated
Jul 3, 2026
Medicare enrollment
Enrolled (PECOS I20251105004185); may accept 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.
Download card Updates feed

Also registered at 1000 Broadway

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

  1. Jose Abrego, MDInternal Medicine Physician1205808722
  2. Nancy Adams, M.D.Internal Medicine Physician1649236365
  3. Anjelica Carbajal, M.D.Obstetrics & Gynecology Physician1134255540
  4. Emilia Evans, CNPFamily Nurse Practitioner1477140572
  5. Mercedes Freije Ibanez, MDInternal Medicine Physician1144546185
  6. Jerina Gani, M.D.Internal Medicine Physician1407046592

Verify Nathalia Arias Alzate in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 10220822
    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 Massachusetts 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.

99% fewer Medicare Part D claims than the average family medicine physician in 2024

32 Medicare Part D claims for 19 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Nathalia Arias Alzate32
  2. Specialty average3,544

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.

Bills Medicare through 3 group practices

  1. Hackensack Meridian Urgent Care PCMonroe, NJ
  2. Medical Care OF Boston Management CorporationChelsea, MA
  3. Zufall Health Center, IncMorristown, NJ

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

Nathalia Arias Alzate among 2,265 family medicine physician records in Massachusetts

Nathalia Arias Alzate, MD is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 90% of them.

  • NPI issued2021 · 90% of these records are older, 8% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2021 · median 2006 among the 1,529 with a school on file
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in Massachusetts

There are 2,265 family medicine physician records in Massachusetts.

The 8 family medicine physician records with the nearest ZIP codes

  1. Roberto Elias Caganda, M.D.Chelsea, MA 021501174649750
  2. Juliana MorrisChelsea, MA 021501407241391
  3. Richard Aubry, MDRevere, MA 021511225017510
  4. Raven Batshon, MDRevere, MA 021511730705575
  5. Thomas Byrne, M.D.Revere, MA 021511437129400
  6. Deviney Chaponis, M.D.Revere, MA 021511609289784
  7. Milton Gholston, MDRevere, MA 021511518523828
  8. Jasleen Kaur, MDEverett, MA 021491477043586

Common questions

What is Nathalia Arias Alzate, MD's NPI number?

Nathalia Arias Alzate, MD's National Provider Identifier (NPI) is 1023699055, issued on Apr 20, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Nathalia Arias Alzate, MD located?

The NPPES record lists a practice address at 1000 Broadway, Chelsea, MA, 02150. Phone: (617) 975-6200. Providers update this record themselves, so call before visiting.

How can I verify Nathalia Arias Alzate, MD's license?

NPPES lists Massachusetts license number 10220822, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nathalia Arias Alzate, MD prescribe under Medicare Part D?

In 2024, Nathalia Arias Alzate, MD had 32 Medicare Part D claims for 19 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.