Jane Olsen, MD
Internal Medicine Physician · Waterbury, CT
Jane Olsen, MD is an internal medicine physician with a practice address in Waterbury, Connecticut, and NPI 1235634783, issued on Mar 27, 2018. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jane Olsen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 287632 MA
Self-reported in NPPES; status is on the state search - Practice location
- 160 Robbins St, Waterbury, CT 06708
- Phone
- (203) 573-7284
- Enumerated
- Mar 27, 2018
- Record last updated
- Aug 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (203) 573-7031
- Medicare enrollment
- Enrolled (PECOS I20210804001514); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 160 Robbins St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jane Olsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck 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
- Mass General Brigham Medical Group Northern Massachusetts IncSalem, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jane Olsen among 2,623 internal medicine physician records in Connecticut
Jane Olsen, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2018 · median 2004 among the 1,646 with a school on file
- Record last updated2021 · 61% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
119 internal medicine physician records list a practice address in Waterbury
They are 119 of the 3,148 NPPES records with a practice address in Waterbury, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Waterbury → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ionut Anton, MDWaterbury, CT 067081770550238
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- Shiven Chabria, MDWaterbury, CT 067081932172830
- Dragoslav Drca, M.D.Waterbury, CT 067081700820008
- Yvette Fernandez, MDWaterbury, CT 067081114968302
- Thomas Gniadek, M.D.Waterbury, CT 067081972591931
- Fausto Lanao, MDWaterbury, CT 067081801844675
Common questions
What is Jane Olsen, MD's NPI number?
Jane Olsen, MD's National Provider Identifier (NPI) is 1235634783, issued on Mar 27, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jane Olsen, MD located?
The NPPES record lists a practice address at 160 Robbins St, Waterbury, CT, 06708. Phone: (203) 573-7284. Providers update this record themselves, so call before visiting.
How can I verify Jane Olsen, MD's license?
Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. 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.