Physician Profile
Oscar K. Serrano, MD
Unclaimed ProfileAbout Dr. Serrano
Based in Hartford, CT, Oscar K. Serrano, MD is listed in the NPI registry under transplant surgery. Oscar graduated from Stanford University School of Medicine in 2006. According to Medicare claims data, Oscar cared for 163 Medicare patients across 289 services. The services billed most often include subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (860) 696-2030
- Email not available
Practice Locations
85 SEYMOUR ST STE 320
Hartford, CT 06106
909 Fulton St SE
Minneapolis, MN 55455
Procedures Most Often Billed to Medicare
289 services · 163 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of stent in ureter | Procedure | 50605 |
17 | More often than most peers in Transplant Surgery |
| Transplantation of donor kidney | Procedure | 50360 |
17 | As often as other peers in Transplant Surgery |
| Preparation of donor kidney for transplantation | Procedure | 50323 |
11 | |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
126 | More often than most peers in Transplant Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
58 | More often than most peers in Transplant Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
30 | More often than most peers in Transplant Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
17 | |
| Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | Billing code | G0180 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other transplant surgeons in Hartford 4
Same specialty, same city.
Trained at Stanford University School of Medicine 1
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2006 at Stanford University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Serrano's specialty?
Dr. Serrano is a transplant surgeon in Hartford, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Transplant Surgery”.
NPI registry
Where can I find Dr. Serrano?
Dr. Serrano is listed at 85 Seymour St Ste 320, Hartford, CT 06106. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Serrano?
The number on file is (860) 696-2030. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Serrano's NPI number?
Dr. Serrano's National Provider Identifier is 1003960626. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Serrano's medical education?
Dr. Serrano attended Stanford University School of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Serrano been practicing?
Dr. Serrano has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Serrano known for?
According to Medicare billing data, Dr. Serrano performs procedures including insertion of stent in ureter, transplantation of donor kidney and preparation of donor kidney for transplantation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Serrano confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Serrano. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.