Aron Chacko, MD, MPH
Family Medicine Physician · Winchester, MA
Aron Chacko, MD, MPH is a family medicine physician with a practice address in Winchester, Massachusetts, and NPI 1003490244, issued on May 12, 2021. Check the license (Massachusetts 1020576, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Aron Chacko
- Credential
- MD, MPH
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 1020576 MA
4351048400 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1021 Main St Ste 101, Winchester, MA 01890
- Phone
- (781) 729-1021
- Enumerated
- May 12, 2021
- Record last updated
- Aug 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20240802001249); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Verify Aron Chacko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1020576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average family medicine physician in 2024
836 Medicare Part D claims for 185 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium82 claims
- Lisinopril42 claims
- Albuterol Sulfate Hfa40 claims
- Metformin Hcl35 claims
- Amlodipine Besylate29 claims
- Omeprazole25 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.
Bills Medicare through one group practice
- Beth Israel Lahey Health Primary Care, IncSouth Hamilton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aron Chacko among 2,265 family medicine physician records in Massachusetts
Aron Chacko, MD, MPH 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
- Graduated2017 · median 2006 among the 1,529 with a school on file
- Record last updated2024 · 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).
9 family medicine physician records list a practice address in Winchester
They are 9 of the 439 NPPES records with a practice address in Winchester, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Winchester → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Catherine Celler, M.D.Winchester, MA 018901427240852
- Jeffrey Miner, MDWinchester, MA 018901760477046
- Wellner Poppe, M.D.Winchester, MA 018901548238157
- Hilda Rock, M.D.Winchester, MA 018901477971976
- Emily Samaha, MDWinchester, MA 018901811300353
- Morgan Santhamoorthy, M.D.Winchester, MA 018901952750242
- Joel Solomon, M.D.Winchester, MA 018901417924440
- Rebecca Spoerri-Bowman, D.O.Winchester, MA 018901316114994
Common questions
What is Aron Chacko, MD, MPH's NPI number?
Aron Chacko, MD, MPH's National Provider Identifier (NPI) is 1003490244, issued on May 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Aron Chacko, MD, MPH located?
The NPPES record lists a practice address at 1021 Main St Ste 101, Winchester, MA, 01890. Phone: (781) 729-1021. Providers update this record themselves, so call before visiting.
How can I verify Aron Chacko, MD, MPH's license?
NPPES lists Massachusetts license number 1020576, 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 Aron Chacko, MD, MPH prescribe under Medicare Part D?
In 2024, Aron Chacko, MD, MPH had 836 Medicare Part D claims for 185 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.