Jennifer Mansir, MS, RD
Obesity and Weight Management Nutrition Registered Dietitian · Ayer, MA
Jennifer Mansir, MS, RD is an obesity and weight management nutrition registered dietitian with a practice address in Ayer, Massachusetts, and NPI 1356940019, issued on Oct 22, 2020. Check the license (Massachusetts 4896, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Jennifer Mansir
- Credential
- MS, RD
- Primary taxonomy
- Obesity and Weight Management Nutrition Registered Dietitian 133VN1201X
- License number
- 4896 MA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Groton RD, Ayer, MA 01432
- Phone
- (978) 784-9314
- Enumerated
- Oct 22, 2020
- Entity
- Type 1 · individual
Also registered at 200 Groton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Bakalos, M.D.Diagnostic Radiology Physician1629036090
- Steven Balser, M.D.Emergency Medical Services (Emergency Medicine) Physician1750468393
- Sanjay Basu, MDInternal Medicine Physician1285682450
- Marie Bennett, FNP-BCFamily Nurse Practitioner1215376405
- Colin Blake, MDAnesthesiology Physician1770565657
- Jessica Blood, RDRegistered Dietitian1174114672
Verify Jennifer Mansir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 4896Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Obesity and Weight Management Nutrition Registered Dietitian providers in Massachusetts
There are 10 obesity and weight management nutrition registered dietitian records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other obesity and weight management nutrition registered dietitian records in Massachusetts
- Ema Barbosa Brown, RDBoston, MA1497411193
- Jamie Burger, RDHaverhill, MA1245903079
- Colleen Donahue, RDNBoston, MA1366197931
- Katelyn Fenno, MPH, RDN/LDNWoburn, MA1902752926
- Cara Giacco, RDN, LDNBoston, MA1669943015
- Sonia McCarthy, RD, LDNMilford, MA1003699224
- Marla Mungovan, RD LDNWorcester, MA1245807189
- Margaret Simonds, RDNBoston, MA1609687235
- Casey ThomasNew Bedford, MA1952244220
Common questions
What is Jennifer Mansir, MS, RD's NPI number?
Jennifer Mansir, MS, RD's National Provider Identifier (NPI) is 1356940019, issued on Oct 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Mansir, MS, RD located?
The NPPES record lists a practice address at 200 Groton RD, Ayer, MA, 01432. Phone: (978) 784-9314. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Mansir, MS, RD's license?
NPPES lists Massachusetts license number 4896, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.