Nancy C. Lasson, D.O.
Internal Medicine Physician · Providence, RI
Nancy C. Lasson, D.O. is an internal medicine physician with a practice address in Providence, Rhode Island, and NPI 1679572390, issued on Jul 15, 2005. Check the license (Rhode Island DO00867, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Nancy C. Lasson
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DO00867 RI
Self-reported in NPPES; status is on the state search - Practice location
- 1195 North Main Street, Providence, RI 02904
- Phone
- (401) 736-4562
- Enumerated
- Jul 15, 2005
- Record last updated
- Mar 19, 2025
- Fax
- (401) 921-9864
- Medicare enrollment
- Enrolled (PECOS I20170824000832); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 in Rhode Island → Look up another NPI →
Also registered at 1195 North Main Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Molly Fox, PA-CMedical Physician Assistant1154500882
- Rachel Johanson, CNM, WHNP, FNPFamily Nurse Practitioner1215136817
- Nkenna Odom, MDFamily Medicine Physician1972098465
- Kathy Rebeiro, APRN-CNPAdult Health Nurse Practitioner1073539813
- Amelia Tajik, MDInternal Medicine Physician1801454491
- Iris Tong, MDInternal Medicine Physician1033150586
Verify Nancy C. Lasson 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 DO00867Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,827 Medicare Part D claims for 278 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Atorvastatin Calcium204 claims
- Levothyroxine Sodium147 claims
- Rosuvastatin Calcium115 claims
- Amlodipine Besylate106 claims
- Losartan Potassium101 claims
- Escitalopram Oxalate100 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
- Affinity Physicians LLC.Warwick, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy C. Lasson among 1,033 internal medicine physician records in Rhode Island
Nancy C. Lasson, D.O. is one of 1,033 internal medicine physician records with a practice address in Rhode Island. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1989 · median 2006 among the 590 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
511 internal medicine physician records list a practice address in Providence
They are 511 of the 9,647 NPPES records with a practice address in Providence, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in Providence → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ali Akhtar, M.D.Providence, RI 029041457333619
- Paul Breiding, MDProvidence, RI 029041073567343
- Susan Cu Uvin, MDProvidence, RI 029041487609244
- Joan Goddard, M.D.Providence, RI 029041225034077
- Walter Goula, MDProvidence, RI 029041144285859
- Donald Kaufman, M.D.Providence, RI 029041245229764
- Christopher Ley, MDProvidence, RI 029041598752024
- Steven Mallozzi, MDProvidence, RI 029041407800675
Common questions
What is Nancy C. Lasson, D.O.'s NPI number?
Nancy C. Lasson, D.O.'s National Provider Identifier (NPI) is 1679572390, issued on Jul 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nancy C. Lasson, D.O. located?
The NPPES record lists a practice address at 1195 North Main Street, Providence, RI, 02904. Phone: (401) 736-4562. Providers update this record themselves, so call before visiting.
How can I verify Nancy C. Lasson, D.O.'s license?
NPPES lists Rhode Island license number DO00867, 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.
How much does Nancy C. Lasson, D.O. prescribe under Medicare Part D?
In 2024, Nancy C. Lasson, D.O. had 2,827 Medicare Part D claims for 278 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.