Steven Lum, M.D.
NPI 1932305190 · Anatomic Pathology & Clinical Pathology Physician · Anaheim, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Lum, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Anaheim, CA (NPI 1932305190).
Provider details
- NPI number
- 1932305190
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MDR - 4378 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
752 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 209 | $38 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 161 | $28 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 95 | $12 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 92 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 43 | $35 |
| Cell Examination of Specimen, Concentration Technique88108 | 35 | $23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-25
- Last updated
- 2023-01-20
- Certified
- 2023-01-20
Frequently asked questions
- What is Steven Lum's NPI number?
- Steven Lum's National Provider Identifier (NPI) is 1932305190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Lum's specialty?
- Steven Lum is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Lum located?
- Steven Lum's practice location on file with NPPES is 1111 W La Palma Ave, Anaheim, CA 92801-2804.
- What is Steven Lum's phone number?
- The practice phone number listed in the NPPES registry for Steven Lum is (714) 999-6075.
- Does Steven Lum accept Medicare?
- Steven Lum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Lum's NPI active?
- Yes — Steven Lum's NPI (1932305190) is active in the NPPES registry as of the last update on 2023-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.