Sylvester Dorobisz, MD
Nephrology Physician · West Haven, CT
Sylvester Dorobisz, MD is a nephrology physician with a practice address in West Haven, Connecticut, and NPI 1508363789, issued on Apr 12, 2018. Check the license (Connecticut 72443, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sylvester Dorobisz
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 72443 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1 Cellini PL Ste 102, West Haven, CT 06516
- Phone
- (203) 799-1252
- Enumerated
- Apr 12, 2018
- Record last updated
- Aug 8, 2023
- Fax
- (203) 799-3252
- Medicare enrollment
- Enrolled (PECOS I20230713001750); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 167 in Connecticut → Look up another NPI →
Also registered at 1 Cellini PL Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Allyn, PA-CPhysician Assistant1912321803
- Allison Altenburger, APRN, NP-CAdult Health Nurse Practitioner1033503230
- Evan Angelus, MDInternal Medicine Physician1538788609
- Michael Ascenzia, P.A.-CMedical Physician Assistant1932351673
- Annie AugustinePrimary Care Nurse Practitioner1992548259
- Horatiu Balas, M.D.Internal Medicine Physician1720084320
Verify Sylvester Dorobisz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 72443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average nephrology physician in 2024
188 Medicare Part D claims for 48 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Losartan Potassium46 claims
- Jardiance29 claims
- Lisinopril20 claims
- Amlodipine Besylate16 claims
- Furosemide15 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): 90.7 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 one group practice
- Hhc Physician Services PLLCWest Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sylvester Dorobisz among 167 nephrology physician records in Connecticut
Sylvester Dorobisz, MD 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 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 6% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2018 · median 2002 among the 116 with a school on file
- Record last updated2023 · 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 West Haven → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- John Chang, MDWest Haven, CT 065161447279039
- Susan Crowley, MDWest Haven, CT 065161356440937
- Gary Desir, M.D.West Haven, CT 065161063523082
- David Geller, MDWest Haven, CT 065161548245046
- Crystal Jobson, MDWest Haven, CT 065161467931220
- Namrata Krishnan, MD, MBBSWest Haven, CT 065161306063011
- Jianchao Xu, M.D., PH.D.West Haven, CT 065161427146976
- Ali Abu-Alfa, MDNew Haven, CT 065191841274610
Common questions
What is Sylvester Dorobisz, MD's NPI number?
Sylvester Dorobisz, MD's National Provider Identifier (NPI) is 1508363789, issued on Apr 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Sylvester Dorobisz, MD located?
The NPPES record lists a practice address at 1 Cellini PL Ste 102, West Haven, CT, 06516. Phone: (203) 799-1252. Providers update this record themselves, so call before visiting.
How can I verify Sylvester Dorobisz, MD's license?
NPPES lists Connecticut license number 72443, 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 Sylvester Dorobisz, MD prescribe under Medicare Part D?
In 2024, Sylvester Dorobisz, MD had 188 Medicare Part D claims for 48 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Sylvester Dorobisz, MD's MIPS final score?
The 2023 MIPS final score is 90.7 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.