Jessica Lauren Thongparn, RD
Registered Dietitian · Derby, CT
Jessica Lauren Thongparn, RD is a registered dietitian with a practice address in Derby, Connecticut, and NPI 1093305674, issued on Jan 19, 2021. Check the license (Connecticut 957503, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jessica Lauren Thongparn
- Credential
- RD
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 957503 CT
Self-reported in NPPES; status is on the state search - Practice location
- 204 New Haven Ave Unit 8C, Derby, CT 06418
- Phone
- (860) 806-5013
- Enumerated
- Jan 19, 2021
- Record last updated
- Jan 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230621002537); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 824 in Connecticut → Look up another NPI →
Verify Jessica Lauren Thongparn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 957503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
One hospital affiliation
- Speare Memorial HospitalPlymouth, NH · Critical Access Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Jessica Lauren Thongparn among 824 registered dietitian records in Connecticut
Jessica Lauren Thongparn, RD is one of 824 registered dietitian records with a practice address in Connecticut. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 65% of them.
- NPI issued2021 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2004 · median 2013 among the 88 with a school on file
- Record last updated2021 · 58% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 registered dietitian records list a practice address in Derby
They are 9 of the 453 NPPES records with a practice address in Derby, and 824 registered dietitian records in Connecticut.
All 824 in Connecticut → Every provider in Derby → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Christina Ernst, MS,RD,CDNDerby, CT 064181003070020
- Lauren Karamavros, R.D.Derby, CT 064181477084069
- Kate Kelley, RDDerby, CT 064181225426448
- Stacey Leary, RD, CDN, CNSCDerby, CT 064181003224221
- Melissa MitriDerby, CT 064181912324815
- Kelly Sheehan, R.D., CD-NDerby, CT 064181346273224
- Jody WagnerDerby, CT 064181669860409
- Larissa Zepko-March, RD, CDNDerby, CT 064181952744500
Common questions
What is Jessica Lauren Thongparn, RD's NPI number?
Jessica Lauren Thongparn, RD's National Provider Identifier (NPI) is 1093305674, issued on Jan 19, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jessica Lauren Thongparn, RD located?
The NPPES record lists a practice address at 204 New Haven Ave Unit 8C, Derby, CT, 06418. Phone: (860) 806-5013. Providers update this record themselves, so call before visiting.
How can I verify Jessica Lauren Thongparn, RD's license?
NPPES lists Connecticut license number 957503, as entered by the provider. Search the Connecticut 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.