Ernesto Dasilva, MD
Internal Medicine Physician · Lynn, MA
Ernesto Dasilva, MD is an internal medicine physician with a practice address in Lynn, Massachusetts, and NPI 1487600268, issued on May 25, 2006. Check the license (Massachusetts 203872, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ernesto Dasilva
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 203872 MA
Self-reported in NPPES; status is on the state search - Practice location
- 496 Lynnfield St, Lynn, MA 01904
- Phone
- (781) 593-3400
- Enumerated
- May 25, 2006
- Record last updated
- Aug 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (781) 477-1195
- Medicaid ID
- 0135780 MA
- Medicare enrollment
- Enrolled (PECOS I20040326000509); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 496 Lynnfield St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ernesto Dasilva in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 203872Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,222 Medicare Part D claims for 634 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 18 claims were for opioids.
Most prescribed
- Atorvastatin Calcium716 claims
- Lisinopril492 claims
- Omeprazole365 claims
- Metoprolol Succinate306 claims
- Rosuvastatin Calcium299 claims
- Amlodipine Besylate276 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
- Mass General Brigham Medical Group Northern Massachusetts IncDanvers, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ernesto Dasilva among 6,825 internal medicine physician records in Massachusetts
Ernesto Dasilva, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1993 · median 2004 among the 4,103 with a school on file
- Record last updated2007 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 internal medicine physician records list a practice address in Lynn
They are 19 of the 2,030 NPPES records with a practice address in Lynn, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Lynn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Toryalai Amiri, M.D.Lynn, MA 019041255388047
- Laura Beeghly, MDLynn, MA 019041215988100
- Edward Braun, MDLynn, MA 019041003862798
- Kurt Diebold, MDLynn, MA 019041114993516
- Carolyn Gonzalez, MDLynn, MA 019041598384364
- Ryan Gosselin, M.D., M.B.ALynn, MA 019041396972832
- James Gottschall, MDLynn, MA 019041932166196
- Oliver Gregory, M.D.Lynn, MA 019041154768281
Common questions
What is Ernesto Dasilva, MD's NPI number?
Ernesto Dasilva, MD's National Provider Identifier (NPI) is 1487600268, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ernesto Dasilva, MD located?
The NPPES record lists a practice address at 496 Lynnfield St, Lynn, MA, 01904. Phone: (781) 593-3400. Providers update this record themselves, so call before visiting.
How can I verify Ernesto Dasilva, MD's license?
NPPES lists Massachusetts license number 203872, 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 Ernesto Dasilva, MD prescribe under Medicare Part D?
In 2024, Ernesto Dasilva, MD had 7,222 Medicare Part D claims for 634 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.