NPPES file of Aug 9, 2026

Registered Dietitian in Massachusetts

2,244 NPPES records list registered dietitian with a practice address in Massachusetts, 32 per 100,000 residents, the 5th highest rate of 51. Boston and Worcester have the most; each record links to the provider's NPI and the Massachusetts license search. Page 32 of 45.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 133V00000X · method

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

Boston has the most, 411

  1. Boston411
  2. Worcester99
  3. Cambridge69
  4. Brockton56
  5. Springfield50

Registered Dietitian records in Massachusetts

  1. Laura Ogara, RDWest Newton, MA 024651386863652
  2. Barbara Olendzki, RD, MPH, LDNWorcester, MA 016551548338015
  3. Jillian OlevitzWinthrop, MA 021521780544031
  4. Maria Oliveira, RD, LDNSwansea, MA 027771942537832
  5. Nancy Oliveira, MS, RD, LDNBoston, MA 021301972835858
  6. Susan Oliveira, RDWareham, MA 025711477819845
  7. Angela Oliver, RDNBeverly, MA 019151669613469
  8. Leslie Oliver, RD, LDN, RNReading, MA 018671669775086
  9. Dee Olm, MS,RDPittsfield, MA 012011699595132
  10. Marla OlmsteadBoston, MA 022151053168500
  11. Sara Olson, RD, LDNBoston, MA 021301134363989
  12. Valerie Oppenheim, R.D., L.N.C.Falmouth, MA 025401558372946
  13. Stephen OramAmherst, MA 010021134820129
  14. Shahira Orcel, RD, LDN, CNSCWorcester, MA 016051790327450
  15. Brianna Orchard, RDSpringfield, MA 011041326610601
  16. Diana Orenstein, RDNewton, MA 024611568756047
  17. Alicia Orr, RD, LDNCharlestown, MA 021291508445214
  18. Matthew Orszulak, RDN, LDNManchester, MA 019441114331766
  19. Wendy Osborn, RDAuburn, MA 015011093134264
  20. Claudia Osorio, RDNWorcester, MA 016051982329736
  21. Shelby Oster, MS, RD, LDNDanvers, MA 019231316676265
  22. Norah Otieno-Wasonga, MS, RDN,LDNRandolph, MA 023681619623980
  23. Rena OudanEast Boston, MA 021281952689093
  24. Erica Ouellette, RD, LDNDanvers, MA 019231740479682
  25. Alyssa Pacheco, RD, LDNNew Bedford, MA 027401679975437
  26. Elena Padilla Garza, RDCambridge, MA 021411194594689
  27. Catherine Page, RDSouthbridge, MA 015501902181902
  28. Louisa Paine, RD, LDNBrookline, MA 024461255888152
  29. Melissa Palabiyik, RDN/LDNQuincy, MA 021691114861127
  30. Nancy Paladino, R.D.Boston, MA 021181669674339
  31. Crystal Palmer, RD,LDDorchester, MA 021211568784536
  32. Joanna Pan, MS, RD, LDNReading, MA 018671073303160
  33. Siva Panchamoorthy, R.D.Roxbury, MA 021191558493874
  34. Kimberly PanikBoston, MA 022151215758933
  35. Ann Pantazis, MSRD LDN CDEWorcester, MA 016061710085139
  36. Hannah Paoletti, MS, RD, LDNArlington, MA 024761942087069
  37. Alexandra Papadakis, RD, LDNNewburyport, MA 019501851175285
  38. Katerina PappasCanton, MA 020211487528600
  39. Sophia Papulis, RDHolyoke, MA 010401326848334
  40. Annie PaquetteBoston, MA 021111205284833
  41. Audrey ParadisBoston, MA 022151750700803
  42. Aditi ParanjapeBurlington, MA 018051295501898
  43. Maria Parham, RD, LDN, CDELawrence, MA 018411558671339
  44. Lynn Parise, MS, RDBoston, MA 021151720651052
  45. Kyung Hyun Park, MS RDN LDNCambridge, MA 021411033071477
  46. Jennifer Parker, RD, LDNWorcester, MA 016051023661360
  47. Andrew Parnell, RD, LDN, CNSCBurlington, MA 018051235826397
  48. Frances Parpos, RD, LDN, CDEChestnut Hill, MA 024671881879286
  49. Renata Parreiras, REGISTERED DIETITIANNorwell, MA 020611811863970
  50. Lauren Parsly, RD, LDNBoston, MA 021111407201528

Source: CMS NPPES, primary taxonomy 133V00000X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 5 of 51 per resident

  1. North Dakota39
  2. Rhode Island34
  3. Alaska32
  4. Massachusetts32
  5. New Hampshire31
  6. Vermont30
  7. 50 states and D.C.20

Source: CMS NPPES, primary taxonomy 133V00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

6.5% of these records appear in a Medicare file, against 7.4% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Massachusetts6.5%
  2. United States7.4%

Registered Dietitian records in Massachusetts, measured

  • In a Medicare file145 of 2,244 · 6.5% here, 7.4% nationally
  • In the CMS Doctors and Clinicians file202 · 9.0% here, 9.8% nationally
  • Not updated in five years or more1,390 · 61.9% here, 56.3% nationally
  • Median graduation year2011 · the 202 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 133V00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,244 NPPES records list registered dietitian (133V00000X) as their primary taxonomy with a practice address in Massachusetts: 32 per 100,000 residents against 20 nationally (50 states and D.C.). Boston has 411 of them (18%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Washington2,134
  2. New Jersey2,006
  3. Ohio2,581
  4. Michigan1,816

States with a similar rate per 100,000

  1. Alaska32.3
  2. New Hampshire30.7
  3. Rhode Island33.7
  4. Vermont29.8

The largest states

  1. California7,148
  2. Texas5,099
  3. New York4,724
  4. Florida3,443
  5. Pennsylvania3,083

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.