Jonathan St Claire Smith, DO
Family Medicine Physician · Worcester, MA
Jonathan St Claire Smith, DO is a family medicine physician with a practice address in Worcester, Massachusetts, and NPI 1447991799, issued on Apr 1, 2022. Check the license (Massachusetts 1022669, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathan St Claire Smith
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 1022669 MA
Self-reported in NPPES; status is on the state search - Practice location
- 5 Neponset St, Worcester, MA 01606
- Phone
- (508) 425-5566
- Enumerated
- Apr 1, 2022
- Record last updated
- Sep 23, 2025
- Fax
- (508) 365-6590
- Medicare enrollment
- Enrolled (PECOS I20250918004204); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, Henderson, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 5 Neponset St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheila Abdallah, MDFamily Medicine Physician1821356312
- Caroline Anastasi, LMHCMental Health Counselor1881140788
- Nicole Barr, NPFamily Nurse Practitioner1700524873
- Kern Bayard, MDInternal Medicine Physician1699777888
- Wendy Bergman, MDInternal Medicine Physician1083674451
- Irene Blair, NPNurse Practitioner1558337824
Verify Jonathan St Claire Smith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1022669Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
389 Medicare Part D claims for 45 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Amlodipine Besylate26 claims
- Methadone Hcl24 claims
- Lisinopril22 claims
- Atorvastatin Calcium21 claims
- Gabapentin18 claims
- Albuterol Sulfate Hfa16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Reliant Medical Group IncWorcesteer, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan St Claire Smith among 2,265 family medicine physician records in Massachusetts
Jonathan St Claire Smith, DO is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2022 · median 2006 among the 1,529 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
168 family medicine physician records list a practice address in Worcester
They are 168 of the 13,166 NPPES records with a practice address in Worcester, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Worcester → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sheila Abdallah, MDWorcester, MA 016061821356312
- David Gilchrist, M.D.Worcester, MA 016061952452989
- Matthew Horsfield, MDWorcester, MA 016061013998129
- Suhayla Islam, DOWorcester, MA 016061437899929
- Ye Li, M.D.Worcester, MA 016061396013215
- Amanda Pelosi, RNWorcester, MA 016061245106996
- Lisetta Shah, M.D.Worcester, MA 016061205221900
- Redwan Ahmed, MDWorcester, MA 016051356830103
Common questions
What is Jonathan St Claire Smith, DO's NPI number?
Jonathan St Claire Smith, DO's National Provider Identifier (NPI) is 1447991799, issued on Apr 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan St Claire Smith, DO located?
The NPPES record lists a practice address at 5 Neponset St, Worcester, MA, 01606. Phone: (508) 425-5566. Providers update this record themselves, so call before visiting.
How can I verify Jonathan St Claire Smith, DO's license?
NPPES lists Massachusetts license number 1022669, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan St Claire Smith, DO prescribe under Medicare Part D?
In 2024, Jonathan St Claire Smith, DO had 389 Medicare Part D claims for 45 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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.