Paul Barry Nussbaum, M.D.
Nephrology Physician · Bridgeport, CT
Paul Barry Nussbaum, M.D. is a nephrology physician with a practice address in Bridgeport, Connecticut, and NPI 1215936083, issued on Jul 14, 2005. Check the license (Connecticut 020563, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Paul Barry Nussbaum
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 020563 CT
Self-reported in NPPES; status is on the state search - Practice location
- 900 Madison Ave, Bridgeport, CT 06606
- Phone
- (203) 335-0195
- Enumerated
- Jul 14, 2005
- Record last updated
- Dec 1, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (203) 335-7293
- Medicaid ID
- 001205632 CT
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 167 in Connecticut → Look up another NPI →
Also registered at 900 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mitchell Fogel, M.D.Nephrology Physician1003815887
Verify Paul Barry Nussbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 020563Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nephrology physician in 2024
17 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Paul Barry Nussbaum among 167 nephrology physician records in Connecticut
Paul Barry Nussbaum, M.D. is one of 167 nephrology physician records with a practice address in Connecticut. 83% 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, 70% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Connecticut
There are 167 nephrology physician records in Connecticut.
All 167 in Connecticut → Every provider in Bridgeport → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Mitchell Fogel, M.D.Bridgeport, CT 066061003815887
- Rakesh Mahali, MDBridgeport, CT 066061730492877
- Danwen YangBridgeport, CT 066061154740306
- David Bennett, MDTrumbull, CT 066111326337940
- Aaron Dommu, M.D.Trumbull, CT 066111548437148
- Irwin Feintzeig, M.D.Trumbull, CT 066111902805773
- James Gavin, M.D.Trumbull, CT 066111609875491
- William Hunt, MDTrumbull, CT 066111396744041
Common questions
What is Paul Barry Nussbaum, M.D.'s NPI number?
Paul Barry Nussbaum, M.D.'s National Provider Identifier (NPI) is 1215936083, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Paul Barry Nussbaum, M.D. located?
The NPPES record lists a practice address at 900 Madison Ave, Bridgeport, CT, 06606. Phone: (203) 335-0195. Providers update this record themselves, so call before visiting.
How can I verify Paul Barry Nussbaum, M.D.'s license?
NPPES lists Connecticut license number 020563, 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 Paul Barry Nussbaum, M.D. prescribe under Medicare Part D?
In 2024, Paul Barry Nussbaum, M.D. had 17 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. 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.