Ricardo De Castro Fonseca Ribeiro, M.D.
Internal Medicine Physician · East Boston, MA
Ricardo De Castro Fonseca Ribeiro, M.D. is an internal medicine physician with a practice address in East Boston, Massachusetts, and NPI 1386993194, issued on Sep 7, 2012. Check the license (Massachusetts 264880, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ricardo De Castro Fonseca Ribeiro
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 264880 MA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Gove St, East Boston, MA 02128
- Phone
- (617) 569-5800
- Enumerated
- Sep 7, 2012
- Record last updated
- Oct 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (617) 568-4780
- Medicare enrollment
- Enrolled (PECOS I20151201000070); 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 10 Gove St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Acevedo Beltran, LMHCMental Health Counselor1710855697
- Megan Aitro, CPNP-PCPediatric Nurse Practitioner1639791650
- Heather Alfano, BSN, RNRegistered Nurse1598648792
- Ashley Altmann, CNP, DNPFamily Nurse Practitioner1558134619
- Fabiola Alvarez, MSWClinical Social Worker1598348005
- Olivia Amadon, LICSWClinical Social Worker1174987804
Verify Ricardo De Castro Fonseca Ribeiro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 264880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% more Medicare Part D claims than the average internal medicine physician in 2024
5,142 Medicare Part D claims for 535 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. 58 claims were for opioids.
Most prescribed
- Atorvastatin Calcium533 claims
- Amlodipine Besylate375 claims
- Lisinopril311 claims
- Losartan Potassium217 claims
- Omeprazole200 claims
- Levothyroxine Sodium164 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: $24.73
1 payment: food and beverage; the largest payer was Abbott Laboratories. 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
- Charles River Medical Associates, PCFramingham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ricardo De Castro Fonseca Ribeiro among 6,825 internal medicine physician records in Massachusetts
Ricardo De Castro Fonseca Ribeiro, M.D. 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 2012, is newer than 67% of them.
- NPI issued2012 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2008 · median 2004 among the 4,103 with a school on file
- Record last updated2015 · 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).
32 internal medicine physician records list a practice address in East Boston
They are 32 of the 587 NPPES records with a practice address in East Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in East Boston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pengwynne Blevins, M.D.East Boston, MA 021281316925795
- Jan Dohlman, M.D.East Boston, MA 021281528046943
- Frances Kuebler, M.D.East Boston, MA 021281588642912
- Tien-Hsin Lin, M.D.East Boston, MA 021281841279593
- Stylianos Maheras, MDEast Boston, MA 021281821062621
- Stephanie Quamo, M.D.East Boston, MA 021281457339731
- Vicki Rieder, M.D.East Boston, MA 021281992783278
- Suzanne Sarfaty, M.D.East Boston, MA 021281447238720
Common questions
What is Ricardo De Castro Fonseca Ribeiro, M.D.'s NPI number?
Ricardo De Castro Fonseca Ribeiro, M.D.'s National Provider Identifier (NPI) is 1386993194, issued on Sep 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Ricardo De Castro Fonseca Ribeiro, M.D. located?
The NPPES record lists a practice address at 10 Gove St, East Boston, MA, 02128. Phone: (617) 569-5800. Providers update this record themselves, so call before visiting.
How can I verify Ricardo De Castro Fonseca Ribeiro, M.D.'s license?
NPPES lists Massachusetts license number 264880, 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 Ricardo De Castro Fonseca Ribeiro, M.D. prescribe under Medicare Part D?
In 2024, Ricardo De Castro Fonseca Ribeiro, M.D. had 5,142 Medicare Part D claims for 535 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.