Lyssa Merriam Petter, MS,RD,LDN
Registered Dietitian · Methuen, MA
Lyssa Merriam Petter, MS,RD,LDN is a registered dietitian with a practice address in Methuen, Massachusetts, and NPI 1710086277, issued on Sep 21, 2006. Check the license (Massachusetts 826, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lyssa Merriam Petter
- Credential
- MS,RD,LDN
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 826 MA
Self-reported in NPPES; status is on the state search - Practice location
- Caritas Holy Family Hospital 70 East Street, Methuen, MA 01844
- Phone
- (978) 687-0156
- Enumerated
- Sep 21, 2006
- Record last updated
- Jun 11, 2026
- Fax
- (978) 681-9075
- Medicare enrollment
- Enrolled (PECOS I20050630000656); may accept Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 2,244 in Massachusetts → Look up another NPI →
Verify Lyssa Merriam Petter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 826Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Lifespan Physician Group OF Massachusetts IncTaunton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lyssa Merriam Petter among 2,244 registered dietitian records in Massachusetts
Lyssa Merriam Petter, MS,RD,LDN 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 90% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 9% of these records are
- Graduated1987 · median 2011 among the 202 with a school on file
- Record last updated2026 · 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 Methuen → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Anne Bradley, RD- CDEMethuen, MA 018441407904865
- Jessica BreviliaMethuen, MA 018441154264745
- Beth Cronin, R.D.Methuen, MA 018441508913575
- Megan Keraghan, RDNMethuen, MA 018441366377251
- Susan Langevin, MS, RD, CDE, LDNMethuen, MA 018441770586539
- Rena Rudy, MS,RD,LDNMethuen, MA 018441669521464
- Kelly ThompsonMethuen, MA 018441477421493
- Kathleen BrienNorth Andover, MA 018451306397708
Common questions
What is Lyssa Merriam Petter, MS,RD,LDN's NPI number?
Lyssa Merriam Petter, MS,RD,LDN's National Provider Identifier (NPI) is 1710086277, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lyssa Merriam Petter, MS,RD,LDN located?
The NPPES record lists a practice address at Caritas Holy Family Hospital 70 East Street, Methuen, MA, 01844. Phone: (978) 687-0156. Providers update this record themselves, so call before visiting.
How can I verify Lyssa Merriam Petter, MS,RD,LDN's license?
NPPES lists Massachusetts license number 826, 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.
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.