Oscar Kenneth Serrano, MD
Transplant Surgery Physician · Hartford, CT
Oscar Kenneth Serrano, MD is a transplant surgery physician with a practice address in Hartford, Connecticut, and NPI 1003960626, issued on Jan 22, 2007. Check the license (Connecticut 61502, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Oscar Kenneth Serrano
- Credential
- MD
- Primary taxonomy
- Transplant Surgery Physician 204F00000X
- License numbers
- 61502 CT
59802 MN
Self-reported in NPPES; status is on the state search - Practice location
- 85 Seymour St Ste 320, Hartford, CT 06106
- Phone
- (860) 696-2030
- Enumerated
- Jan 22, 2007
- Record last updated
- Aug 2, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180730002283); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest transplant surgery physician records → All 10 in Connecticut → Look up another NPI →
Also registered at 85 Seymour St Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wasim Dar, M.D.Transplant Surgery Physician1477501039
- Glyn Morgan, M.D.Transplant Surgery Physician1821084211
- Peter Vlismas, M.D.Advanced Heart Failure and Transplant Cardiology Physician1720491384
Verify Oscar Kenneth Serrano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 61502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average transplant surgery physician in 2024
43 Medicare Part D claims for 25 beneficiaries, against an average of 260 among the 541 providers of this specialty who prescribed in Part D.
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): 84.5 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).
Industry payments in 2024: $149.38
1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 524 providers of this specialty with any payment received $3,913.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Hartford Healthcare Medical Group Specialists PLLCHartford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oscar Kenneth Serrano among 10 transplant surgery physician records in Connecticut
Oscar Kenneth Serrano, MD is one of 10 transplant surgery physician records with a practice address in Connecticut. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 30% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Record last updated2018 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204F00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Transplant Surgery Physician providers in Connecticut
There are 10 transplant surgery physician records in Connecticut.
All 10 in Connecticut → Every provider in Hartford → Transplant Surgery Physician nationwide →
The 8 transplant surgery physician records with the nearest ZIP codes
- Wasim Dar, M.D.Hartford, CT 061061477501039
- Anne Lally, M.D.Hartford, CT 061061891794087
- Glyn Morgan, M.D.Hartford, CT 061061821084211
- Patricia Sheiner, MDHartford, CT 061061437316254
- Gregory Azia, M.D.New London, CT 063201437297785
- Ryosuke Misawa, MDNew Haven, CT 065101124387907
- Joohyun Kim, MD, PHDNew Haven, CT 065191407144686
- Sanjay Kulkarni, MDNew Haven, CT 065191306829528
Common questions
What is Oscar Kenneth Serrano, MD's NPI number?
Oscar Kenneth Serrano, MD's National Provider Identifier (NPI) is 1003960626, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Oscar Kenneth Serrano, MD located?
The NPPES record lists a practice address at 85 Seymour St Ste 320, Hartford, CT, 06106. Phone: (860) 696-2030. Providers update this record themselves, so call before visiting.
How can I verify Oscar Kenneth Serrano, MD's license?
NPPES lists Connecticut license number 61502, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Oscar Kenneth Serrano, MD prescribe under Medicare Part D?
In 2024, Oscar Kenneth Serrano, MD had 43 Medicare Part D claims for 25 beneficiaries; the average among transplant surgery physician prescribers was 260. Part D covers Medicare prescriptions only.
What is Oscar Kenneth Serrano, MD's MIPS final score?
The 2023 MIPS final score is 84.5 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.