Juliana Bahia Mazzafera, MD
Internal Medicine Physician · North Easton, MA
Juliana Bahia Mazzafera, MD is an internal medicine physician with a practice address in North Easton, Massachusetts, and NPI 1588152631, issued on Apr 24, 2018. Check the license (Massachusetts 290320, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Juliana Bahia Mazzafera
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 290320 MA
Self-reported in NPPES; status is on the state search - Practice location
- 31 Roche Bros Way, North Easton, MA 02356
- Phone
- (508) 894-8730
- Enumerated
- Apr 24, 2018
- Record last updated
- Jan 12, 2024
- Fax
- (508) 894-0412
- Medicare enrollment
- Enrolled (PECOS I20211207001260); 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 31 Roche Bros Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Juliana Bahia Mazzafera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 290320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% more Medicare Part D claims than the average internal medicine physician in 2024
6,074 Medicare Part D claims for 496 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 96 claims were for opioids.
Most prescribed
- Atorvastatin Calcium449 claims
- Lisinopril328 claims
- Amlodipine Besylate325 claims
- Levothyroxine Sodium272 claims
- Losartan Potassium259 claims
- Omeprazole207 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.
Industry payments in 2024: $103.68
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Signature Healthcare Medical Group IncNorth Easton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Juliana Bahia Mazzafera among 6,825 internal medicine physician records in Massachusetts
Juliana Bahia Mazzafera, 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 16% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2012 · median 2004 among the 4,103 with a school on file
- Record last updated2024 · 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).
7 internal medicine physician records list a practice address in North Easton
They are 7 of the 320 NPPES records with a practice address in North Easton, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in North Easton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Patricia Bido, MDNorth Easton, MA 023561740819150
- Sujana Chaparala, MDNorth Easton, MA 023561801835277
- Eduardo Moraes Leao PeixotoNorth Easton, MA 023561124433347
- Bharat Kumar Patel, MDNorth Easton, MA 023561881681237
- Jose Polanco, MDNorth Easton, MA 023561609850411
- Joseph Weinstein, MDNorth Easton, MA 023561558346031
- Aniket Chakrabarti, M.D.Pembroke, MA 023591932282936
- John Stevenson, M.D.Pembroke, MA 023591043284789
Common questions
What is Juliana Bahia Mazzafera, MD's NPI number?
Juliana Bahia Mazzafera, MD's National Provider Identifier (NPI) is 1588152631, issued on Apr 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Juliana Bahia Mazzafera, MD located?
The NPPES record lists a practice address at 31 Roche Bros Way, North Easton, MA, 02356. Phone: (508) 894-8730. Providers update this record themselves, so call before visiting.
How can I verify Juliana Bahia Mazzafera, MD's license?
NPPES lists Massachusetts license number 290320, 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 Juliana Bahia Mazzafera, MD prescribe under Medicare Part D?
In 2024, Juliana Bahia Mazzafera, MD had 6,074 Medicare Part D claims for 496 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.