Michael L. Barretti, DO
Critical Care Medicine (Internal Medicine) Physician · Fairhaven, MA
Michael L. Barretti, DO is a critical care medicine (internal medicine) physician with a practice address in Fairhaven, Massachusetts, and NPI 1689766016, issued on Sep 30, 2006. Check the license (Massachusetts 221434, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael L. Barretti
- Credential
- DO
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 221434 MA
Self-reported in NPPES; status is on the state search - Practice location
- 208 Mill RD, Fairhaven, MA 02719
- Phone
- (508) 973-2224
- Enumerated
- Sep 30, 2006
- Record last updated
- Jan 22, 2025
- Fax
- (508) 973-0394
- Medicaid ID
- 110096441A MA
- Medicare enrollment
- Enrolled (PECOS I20131003000019); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 157 in Massachusetts → Look up another NPI →
Also registered at 208 Mill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John AcordNurse Practitioner1013531086
- Abena Addo, MDInternal Medicine Physician1366543225
- Linda Adelberg, NPAdult Health Nurse Practitioner1912146127
- Erica Almeida, PA-CPhysician Assistant1700326840
- Matthew Amaral, PA-CPhysician Assistant1891342218
- Patricia Andrade, MDSurgery Physician1417956426
Verify Michael L. Barretti in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 221434Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
41 Medicare Part D claims for 17 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of 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
- Southcoast Physicians Group IncNew Bedford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael L. Barretti among 157 critical care medicine (internal medicine) physician records in Massachusetts
Michael L. Barretti, DO is one of 157 critical care medicine (internal medicine) physician records with a practice address in Massachusetts. 78% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 56% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2003 · median 2005 among the 116 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 critical care medicine (internal medicine) physician records list a practice address in Fairhaven
They are 5 of the 261 NPPES records with a practice address in Fairhaven, and 157 critical care medicine (internal medicine) physician records in Massachusetts.
All 157 in Massachusetts → Every provider in Fairhaven → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Nicholas Ondrasik, D.O.Fairhaven, MA 027191043416605
- Jonelle Raphael, MDFairhaven, MA 027191497919245
- Omar Shweish, M.D.Fairhaven, MA 027191871908186
- Matthew Spring, MDFairhaven, MA 027191104357110
- Arvind Bansal, MDFall River, MA 027201154408342
- Lelia Lamp, M.D.Fall River, MA 027201154680254
- Naresh Mansharamani, MDFall River, MA 027201952470080
- Terence McGovern, MDFall River, MA 027201033158035
Common questions
What is Michael L. Barretti, DO's NPI number?
Michael L. Barretti, DO's National Provider Identifier (NPI) is 1689766016, issued on Sep 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael L. Barretti, DO located?
The NPPES record lists a practice address at 208 Mill RD, Fairhaven, MA, 02719. Phone: (508) 973-2224. Providers update this record themselves, so call before visiting.
How can I verify Michael L. Barretti, DO's license?
NPPES lists Massachusetts license number 221434, 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 Michael L. Barretti, DO prescribe under Medicare Part D?
In 2024, Michael L. Barretti, DO had 41 Medicare Part D claims for 17 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.