Steven Kim, MD
NPI 1003886698 · Hematology & Oncology Physician · Fullerton, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Kim, MD is a Hematology & Oncology Physician provider in Fullerton, CA (NPI 1003886698).
Provider details
- NPI number
- 1003886698
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 200000491 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,337 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 893 | $138 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 77 | $81 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 66 | $194 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 64 | $17 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 60 | $179 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxyurea | 150 | 45 |
| Apixabanbrand: Eliquis | 144 | 41 |
| Acyclovir | 107 | 37 |
| Lenalidomidebrand: Revlimid | 94 | 17 |
| Prednisone | 84 | 36 |
| Dexamethasone | 71 | 33 |
| Gabapentin | 71 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,523 across 80 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 15855 Pomona Rincon Rd Bldg 4Chino Hills, CA 91709-3162Phone: (714) 446-5900
Registry dates
- Enumerated
- 2006-01-25
- Last updated
- 2022-10-11
- Certified
- 2022-10-11
Frequently asked questions
- What is Steven Kim's NPI number?
- Steven Kim's National Provider Identifier (NPI) is 1003886698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Kim's specialty?
- Steven Kim is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Kim located?
- Steven Kim's practice location on file with NPPES is 2151 N Harbor Blvd Ste 3200, Fullerton, CA 92835-3826.
- What is Steven Kim's phone number?
- The practice phone number listed in the NPPES registry for Steven Kim is (714) 446-5900.
- Does Steven Kim accept Medicare?
- Steven Kim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Kim's NPI active?
- Yes — Steven Kim's NPI (1003886698) is active in the NPPES registry as of the last update on 2022-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.