Stephen Henry Thomas Lammers, MD
Obstetrics & Gynecology Physician · Providence, RI
Stephen Henry Thomas Lammers, MD is an obstetrics & gynecology physician with a practice address in Providence, Rhode Island, and NPI 1093278285, issued on Apr 13, 2019. Check the license (Rhode Island MD19687, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Stephen Henry Thomas Lammers
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MD19687 RI
Self-reported in NPPES; status is on the state search - Practice location
- 2 Dudley Street Suite 580, Providence, RI 02905
- Phone
- (401) 274-1122
- Enumerated
- Apr 13, 2019
- Record last updated
- Sep 24, 2024
- Fax
- (401) 453-7684
- Medicare enrollment
- Enrolled (PECOS I20240802001843); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 205 in Rhode Island → Look up another NPI →
Verify Stephen Henry Thomas Lammers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD19687Check 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
- Affinity Physicians LLC.Warwick, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Henry Thomas Lammers among 205 obstetrics & gynecology physician records in Rhode Island
Stephen Henry Thomas Lammers, MD is one of 205 obstetrics & gynecology physician records with a practice address in Rhode Island. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 80% of them.
- NPI issued2019 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2019 · median 2008 among the 113 with a school on file
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
135 obstetrics & gynecology physician records list a practice address in Providence
They are 135 of the 9,647 NPPES records with a practice address in Providence, and 205 obstetrics & gynecology physician records in Rhode Island.
All 205 in Rhode Island → Every provider in Providence → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Michael Beitle, M.D.Providence, RI 029051659318392
- Kathleen Bowling, MDProvidence, RI 029051750307419
- Jennifer Boyle, MDProvidence, RI 029051891774394
- Chelsy Caren, MDProvidence, RI 029051346207602
- Donald Coustan, M.D.Providence, RI 029051215911367
- Renee Eger, MDProvidence, RI 029051992796106
- Kathleen Fitzgerald, MDProvidence, RI 029051881614907
- Donna Lafontaine, MDProvidence, RI 029051407887706
Common questions
What is Stephen Henry Thomas Lammers, MD's NPI number?
Stephen Henry Thomas Lammers, MD's National Provider Identifier (NPI) is 1093278285, issued on Apr 13, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Henry Thomas Lammers, MD located?
The NPPES record lists a practice address at 2 Dudley Street Suite 580, Providence, RI, 02905. Phone: (401) 274-1122. Providers update this record themselves, so call before visiting.
How can I verify Stephen Henry Thomas Lammers, MD's license?
NPPES lists Rhode Island license number MD19687, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.