Michelle Nisenbaum, MD
Interventional Pain Medicine Physician · Waterbury, CT
Michelle Nisenbaum, MD is an interventional pain medicine physician with a practice address in Waterbury, Connecticut, and NPI 1639259252, issued on Oct 17, 2006. Check the license (Connecticut 043409, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michelle Nisenbaum
- Credential
- MD
- Primary taxonomy
- Interventional Pain Medicine Physician 208VP0014X
- License number
- 043409 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1320 West Main St, Waterbury, CT 06708
- Phone
- (203) 755-9355
- Enumerated
- Oct 17, 2006
- Record last updated
- Sep 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (203) 597-8192
- Medicaid ID
- 001434092 CT
- Medicare enrollment
- Enrolled (PECOS I20050718000301); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1320 West Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ann Daly, RPTPhysical Therapist1730284381
Verify Michelle Nisenbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 043409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average interventional pain medicine physician in 2024
452 Medicare Part D claims for 137 beneficiaries, against an average of 2,306 among the 2,100 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 32 claims were for opioids.
Most prescribed
- Gabapentin117 claims
- Diazepam40 claims
- Diclofenac Sodium28 claims
- Lidocaine26 claims
- Meloxicam26 claims
- Cyclobenzaprine Hcl24 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 MIPS final score for 2023 (Medicare payment program): 94.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Nuvance Health Medical Practice CT IncNewtown, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Interventional Pain Medicine Physician providers in Connecticut
There are 23 interventional pain medicine physician records in Connecticut.
Other interventional pain medicine physician records in Connecticut
- Bassem Abraham, MDTrumbull, CT1922180520
- Robert Boolbol, MDFarmington, CT1316935034
- Vincent Carlesi, M.D.Danbury, CT1699726554
- Shyam Desai, MDFairfield, CT1700415973
- David Glassman, M.D.New Haven, CT1831127265
- Eric Grahling, MDPlainville, CT1841257185
- Michael Grille, M.D.Hartford, CT1659630960
- Ahmed Haque, M.D.West Haven, CT1932469608
- Gaurav Kapur, MDNorwich, CT1447299383
- Jonathan Kost, M.D.West Hartford, CT1346274792
Common questions
What is Michelle Nisenbaum, MD's NPI number?
Michelle Nisenbaum, MD's National Provider Identifier (NPI) is 1639259252, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Nisenbaum, MD located?
The NPPES record lists a practice address at 1320 West Main St, Waterbury, CT, 06708. Phone: (203) 755-9355. Providers update this record themselves, so call before visiting.
How can I verify Michelle Nisenbaum, MD's license?
NPPES lists Connecticut license number 043409, 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 Michelle Nisenbaum, MD prescribe under Medicare Part D?
In 2024, Michelle Nisenbaum, MD had 452 Medicare Part D claims for 137 beneficiaries; the average among interventional pain medicine physician prescribers was 2,306. Part D covers Medicare prescriptions only.
What is Michelle Nisenbaum, MD's MIPS final score?
The 2023 MIPS final score is 94.2 of 100. 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.