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Edit this profileBased in Monterey Park, CA, Eric CHENG KUN Chang, MD is listed in the NPI registry under medical oncology. Eric graduated from Albert Einstein College of Medicine of Yeshiva University in 1989. Eric is also listed as specializing in internal medicine and hematology. According to Medicare claims data, Eric cared for 870 Medicare patients across 6,344 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes. NPI 1427123488 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
600 N GARFIELD AVE STE 200
Monterey Park, CA 91754
Within Medical Oncology 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
Abdominal cancer
Blood cancer
Blood disorders
Cancer complications
Chest cancer
Complications
Digestive cancer
Digestive cancers
Endocrine cancer
Endocrine cancers
Eye cancer
General oncology
Genetic risk
Gynecologic cancer
Gynecologic cancers
Head and neck
Head and neck cancer
Metastatic cancer
Metastatic disease
Neurologic cancers
Sarcomas
Skin cancer
Symptom evaluation
Thoracic cancers
Treatment side effects
Urologic cancer
Urologic cancers
Pain & wellness
Most searched procedures
Cancer treatment care
Complication management
Consultations
Diagnostic testing
Diagnostics
Infusions
Injections
Medication management
Patient education
Port and line care
Procedures
Specialized treatments
Specialty treatments
Supportive care
Treatment side effects
Vascular access
6,344 services · 870 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
71 | Less often than most peers in Medical Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
163 | As often as other peers in Medical Oncology |
| Influenza vaccine, trivalent, 0.5 ml dosage | Treatment | 90658 |
12 | Too few peers to compare |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
119 | As often as other peers in Medical Oncology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
3,329 | More than most peers in Medical Oncology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
1,458 | More than most peers in Medical Oncology |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
278 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
266 | More often than most peers in Medical Oncology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
257 | More than most peers in Medical Oncology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
226 | More often than most peers in Medical Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chang is an oncologist in Monterey Park, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Dr. Chang is listed at 600 N Garfield Ave Ste 200, Monterey Park, CA 91754. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (626) 571-8080. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Chang's National Provider Identifier is 1427123488. 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. Chang attended Albert Einstein College of Medicine of Yeshiva University, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chang has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chang performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of drug or substance under skin or into muscle and influenza vaccine, trivalent, 0.5 ml dosage, 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 Dr. Chang. If this is you, claiming it is free.
Guide.md
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