NPPES file of Aug 9, 2026

Rena Oudan

Registered Dietitian · East Boston, MA

Rena Oudan is a registered dietitian with a practice address in East Boston, Massachusetts, and NPI 1952689093, issued on Jul 22, 2011. Check the license (Massachusetts 2769, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952689093
Name
Rena Oudan
Primary taxonomy
Registered Dietitian 133V00000X
License number
2769 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
Jul 22, 2011
Record last updated
Jan 20, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(617) 568-4780
Medicare enrollment
Enrolled (PECOS I20110929000275); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest registered dietitian records → All 2,244 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.

  1. Andrea Acevedo Beltran, LMHCMental Health Counselor1710855697
  2. Megan Aitro, CPNP-PCPediatric Nurse Practitioner1639791650
  3. Heather Alfano, BSN, RNRegistered Nurse1598648792
  4. Ashley Altmann, CNP, DNPFamily Nurse Practitioner1558134619
  5. Fabiola Alvarez, MSWClinical Social Worker1598348005
  6. Olivia Amadon, LICSWClinical Social Worker1174987804

Verify Rena Oudan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 2769    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Internal Medical Associates-EbnhcEast Boston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rena Oudan among 2,244 registered dietitian records in Massachusetts

Rena Oudan is one of 2,244 registered dietitian records with a practice address in Massachusetts. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 31% of them.

  • NPI issued2011 · 31% of these records are older, 66% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2007 · median 2011 among the 202 with a school on file
  • Record last updated2015 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Dietitian providers in Massachusetts

There are 2,244 registered dietitian records in Massachusetts.

All 2,244 in Massachusetts → Every provider in East Boston → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Olivia Batryn, RDNEast Boston, MA 021281619820974
  2. Allison Carbone, RDNBoston, MA 021281588244099
  3. Colleen Duddy, RDNEast Boston, MA 021281457174252
  4. Anna Garrison, RDN, LDNBoston, MA 021281235944653
  5. Lauren Nickerson, RD, LDNEast Boston, MA 021281295666899
  6. Sarah Adler, MS RDN LDNBoston, MA 021271821741489
  7. Shayna Bagshaw, RDCharlestown, MA 021291962969931
  8. Brittany Berger, RDCharlestown, MA 021291043855430

Common questions

What is Rena Oudan's NPI number?

Rena Oudan's National Provider Identifier (NPI) is 1952689093, issued on Jul 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Rena Oudan 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 Rena Oudan's license?

NPPES lists Massachusetts license number 2769, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.