At a glance
- 23331 El Toro Rd, Suite 102, Lake Forest, CA 92630
About Dr. Chang
Based in Lake Forest, CA, Ku-Juey Raymond Chang, M.D. is listed in the NPI registry under nephrology. Ku-Juey Raymond graduated from University of Minnesota Medical School in 1993. Ku-Juey Raymond is also listed as specializing in endocrinology, diabetes & metabolism. Medicare claims data shows Ku-Juey Raymond provided 18,635 services to 7,677 patients. The services billed most often include chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month, insertion of needle into vein for collection of blood sample, and blood test, basic group of blood chemicals (calcium, total). NPI 1689611337 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (949) 916-9100
- Email not available
Practice Locations
23331 EL TORO RD SUITE 102
Lake Forest, CA 92630
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
- Chronic kidney disease
- High blood pressure
- Kidney failure
- Kidney stones
Acid-base disorders
- Acid in blood
Anatomical conditions
- Shrinking kidneys
- Single kidney health
Autoimmune conditions
- IgA kidney disease
- Lupus kidney disease
Blood disorders
- Anemia from kidney disease
Blood pressure
- Resistant hypertension
Cysts and growths
- Kidney Cyst
Diabetes complications
- Kidney disease from diabetes
Dialysis complications
- Dialysis Low Blood Pressure
Electrolyte disorders
- High calcium
- High Magnesium
- High phosphorus
- Low Magnesium
- Low sodium or electrolyte imbalance
Fluid retention
- Excess fluid buildup
- Poor Circulation and Swollen Legs
Genetic disorders
- Inherited kidney disease
- Polycystic kidney disease
Hormone disorders
- Overactive parathyroid from kidney disease
Infections
- Kidney infection
Inflammatory conditions
- FSGS
- Membranous kidney disease
- Minimal change disease
Kidney damage
- Kidney damage from medications
- Kidney Scarring
Kidney failure
- Acute kidney injury
Kidney filter diseases
- C3 Glomerulopathy
Lab abnormalities
- High BUN levels
- High creatinine levels
- Low filtration rate
Metabolic disorders
Multi-organ conditions
- Heart And Kidney Failure
Structural kidney issues
- Hydronephrosis
- Vesicoureteral reflux
Symptoms
- Flank pain
Urine abnormalities
- Blood in the urine
- Kidney Disease
Urine symptoms
- Foamy Urine
- Waking Up to Pee
Vascular conditions
- Narrow kidney artery
Vascular kidney issues
- Kidney Blood Clot
Procedures & services
Most searched procedures
- Dialysis
- Kidney transplant follow-up
Consultations
- Kidney Medication Safety Review
- Kidney specialist second opinion
Diagnostic tests
- Ambulatory blood-pressure monitoring
Diagnostics
- Genetic testing for kidney disease
- Kidney biopsy
Dialysis
- Continuous Dialysis in the ICU
- Overnight Dialysis
- Peritoneal Dialysis
Dialysis access
- Dialysis Access Physical Exam
- Dialysis Catheter Removal
- Dialysis Fistula Repair
- Temporary Dialysis Line Placement
Diet and nutrition
- Kidney Disease Diet Planning
Imaging
- Blood flow test for kidneys
- Fistula ultrasound
- Kidney CT Scan
- Kidney MRI
- Kidney ultrasound
Infusions
- Immune therapy for kidney inflammation
- Iron Infusion
Interventional procedures
- Kidney cyst drainage
- Renal artery stenting
Lab tests
- 24-hour urine test
- Comprehensive Metabolic Panel
- Kidney Function Blood Test
- Parathyroid hormone monitoring
- Urine protein check
- Urine sediment test
Medication management
- Active Vitamin D Therapy
- Resistant Blood Pressure Medication Adjustment
- Steroid Therapy For Kidney Inflammation
Medication therapy
- Acid reducer treatment for kidneys
- Phosphate binder therapy
- Potassium lowering treatment
- Red blood cell booster injections
- Water pill adjustment
Patient education
- Home dialysis training
Prevention
- Kidney Stone Prevention Evaluation
Procedures
- High Blood Pressure Nerve Treatment
Specialized therapies
- Extracorporeal fluid removal
- Plasmapheresis
Supportive care
- Supportive Kidney Care Without Dialysis
Surgical procedures
- Dialysis access surgery
Transplant care
- Anti-Rejection Medication Monitoring
- Kidney transplant evaluation
- Living kidney donor evaluation
Vascular access
- Belly catheter placement
- Dialysis catheter placement
- Dialysis fistula declotting
Procedures Most Often Billed to Medicare
18,635 services · 7,677 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
848 | More than most peers in Nephrology |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
941 | More often than most peers in Nephrology |
| Blood test, basic group of blood chemicals (calcium, total) | Lab test | 80048 |
835 | More than most peers in Nephrology |
| Phosphate level | Lab test | 84100 |
827 | More than most peers in Nephrology |
| Magnesium level | Lab test | 83735 |
826 | More than most 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 |
824 | More than most peers in Nephrology |
| Uric acid level, blood | Lab test | 84550 |
820 | More often than most peers in Nephrology |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
812 | More often than most peers in Nephrology |
| Liver function blood test panel | Lab test | 80076 |
810 | More often than most peers in Nephrology |
| Creatine kinase (cardiac enzyme) level, total | Lab test | 82550 |
781 | More often than most peers in Nephrology |
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.
Trained at University of Minnesota Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at University of Minnesota Medical School 7
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Ku-Juey Raymond Chang's specialty?
Ku-Juey Raymond Chang is a kidney specialist in Lake Forest, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
Where can I find Ku-Juey Raymond Chang?
Ku-Juey Raymond Chang is listed at 23331 El Toro Rd Suite 102, Lake Forest, CA 92630. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Ku-Juey Raymond Chang?
The number on file is (949) 916-9100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Ku-Juey Raymond Chang?
Ku-Juey Raymond Chang's National Provider Identifier is 1689611337. 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 Ku-Juey Raymond Chang's education?
Ku-Juey Raymond Chang attended University of Minnesota Medical School, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ku-Juey Raymond Chang have?
Ku-Juey Raymond Chang has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What is Ku-Juey Raymond Chang known for?
According to Medicare billing data, Ku-Juey Raymond Chang performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Ku-Juey Raymond Chang's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ku-Juey Raymond Chang. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.