Susan L. Collemer, M.D.
Emergency Medicine Physician · Norwich, CT
Susan L. Collemer, M.D. is an emergency medicine physician with a practice address in Norwich, Connecticut, and NPI 1174570865, issued on May 28, 2006. Check the license (Connecticut 55273, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Susan L. Collemer
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 55273 CT
MD14267 RI
224252 MA
Self-reported in NPPES; status is on the state search - Practice location
- 326 Washington St, Norwich, CT 06360
- Phone
- (860) 889-8331
- Enumerated
- May 28, 2006
- Record last updated
- May 21, 2026
- Medicare enrollment
- Enrolled (PECOS I20130701000559); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2002
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 846 in Connecticut → Look up another NPI →
Also registered at 326 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Susan L. Collemer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 55273Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average emergency medicine physician in 2024
200 Medicare Part D claims for 162 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Cephalexin22 claims
- Amoxicillin-Clavulanate Potass20 claims
- Sulfamethoxazole-Trimethoprim15 claims
- Doxycycline Hyclate14 claims
- Ciprofloxacin Hcl11 claims
- Ondansetron Hcl11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 92.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Lawrence And Memorial Hospital Inc.New London, CT
- Lmw Healthcare IncWesterly, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Susan L. Collemer among 846 emergency medicine physician records in Connecticut
Susan L. Collemer, M.D. is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 65% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2002 · median 2011 among the 574 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 emergency medicine physician records list a practice address in Norwich
They are 22 of the 1,431 NPPES records with a practice address in Norwich, and 846 emergency medicine physician records in Connecticut.
All 846 in Connecticut → Every provider in Norwich → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Thomas Ceddia, MDNorwich, CT 063601497864029
- Robert Dinwoodie, D.O.Norwich, CT 063601457358475
- Daniel Fagnant, DONorwich, CT 063601053344713
- Fred Fenton, MDNorwich, CT 063601568572667
- Richard Goulding, MDNorwich, CT 063601952496440
- Eugene HarrisNorwich, CT 063601235344367
- Kyle McClaine, MDNorwich, CT 063601194829457
- Richard Ryan, MDNorwich, CT 063601306925292
Common questions
What is Susan L. Collemer, M.D.'s NPI number?
Susan L. Collemer, M.D.'s National Provider Identifier (NPI) is 1174570865, issued on May 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Susan L. Collemer, M.D. located?
The NPPES record lists a practice address at 326 Washington St, Norwich, CT, 06360. Phone: (860) 889-8331. Providers update this record themselves, so call before visiting.
How can I verify Susan L. Collemer, M.D.'s license?
NPPES lists Connecticut license number 55273, as entered by the provider. 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.
How much does Susan L. Collemer, M.D. prescribe under Medicare Part D?
In 2024, Susan L. Collemer, M.D. had 200 Medicare Part D claims for 162 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Susan L. Collemer, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.