Physician Profile
Kar H. Own, MD practices nephrology in Vallejo, CA. According to Medicare claims data, Kar cared for 32 Medicare patients across 87 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
975 SERENO DR
Vallejo, CA 94589
Within Nephrology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Most searched procedures
87 services · 32 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
76 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Own is a nephrology in Vallejo, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEPHROLOGY”.
NPI registry
Dr. Own is listed at 975 SERENO DR, Vallejo, CA 94589. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (707) 651-1000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Own's National Provider Identifier is 1558449454. 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
Dr. Own attended Other, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
Dr. Own has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Own the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Own. 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.