Provider Profile
Christos Kallis, MB.BS is a healthcare provider in Philadelphia, PA specializing in nephrology. According to Medicare claims data, Christos cared for 207 Medicare patients across 353 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
5501 OLD YORK RD ALBERT EINSTEIN MEDICAL CENTER
Philadelphia, PA 19141
3400 Spruce St
Philadelphia, PA 19104
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
Acid-base disorders
Anatomical conditions
Autoimmune conditions
Blood disorders
Blood pressure
Cysts and growths
Diabetes complications
Dialysis complications
Electrolyte disorders
Fluid retention
Genetic disorders
Hormone disorders
Infections
Inflammatory conditions
Kidney damage
Kidney failure
Kidney filter diseases
Lab abnormalities
Metabolic disorders
Multi-organ conditions
Structural kidney issues
Symptoms
Urine abnormalities
Urine symptoms
Vascular conditions
Vascular kidney issues
Most searched procedures
Consultations
Diagnostic tests
Diagnostics
Dialysis
Dialysis access
Diet and nutrition
Imaging
Infusions
Interventional procedures
Lab tests
Medication management
Medication therapy
Patient education
Prevention
Procedures
Specialized therapies
Supportive care
Surgical procedures
Transplant care
Vascular access
353 services · 207 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Hemodialysis procedure with physician evaluation | Treatment | 90935 |
21 | Less often than most peers in Nephrology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
168 | As often as other peers in Nephrology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
80 | Less often than most peers in Nephrology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
52 | More often than most peers in Nephrology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
32 | Less often than most peers in Nephrology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Christos Kallis is a kidney specialist in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
Christos Kallis is listed at 5501 Old York Rd Albert Einstein Medical Center, Philadelphia, PA 19141. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (800) 220-2362. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Christos Kallis's National Provider Identifier is 1649684572. 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
Christos Kallis has 12+ years experience. Registered with an NPI since 2014. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Christos Kallis provides treatments such as hemodialysis procedure with physician evaluation, alongside routine visits and testing. 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 Christos Kallis. 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.