Susan Lim, M.D.
NPI 1972702728 · Anatomic Pathology & Clinical Pathology Physician · Los Alamitos, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Lim, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Los Alamitos, CA (NPI 1972702728).
Provider details
- NPI number
- 1972702728
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A85550 (CA)
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 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
2,024 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 | 500 | $38 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 326 | $29 |
| Pathology Examination of Specimen During Surgery, Each Additional Tissue Block88332 | 224 | $60 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 155 | $36 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 135 | $80 |
| Pathology Examination of Specimen During Surgery, First Tissue Block88331 | 119 | $112 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-12
- Last updated
- 2014-01-28
Frequently asked questions
- What is Susan Lim's NPI number?
- Susan Lim's National Provider Identifier (NPI) is 1972702728, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Lim's specialty?
- Susan Lim is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Lim located?
- Susan Lim's practice location on file with NPPES is 3751 Katella Ave, Los Alamitos, CA 90720-3113.
- What is Susan Lim's phone number?
- The practice phone number listed in the NPPES registry for Susan Lim is (562) 598-1311.
- Does Susan Lim accept Medicare?
- Susan Lim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Lim's NPI active?
- Yes — Susan Lim's NPI (1972702728) is active in the NPPES registry as of the last update on 2014-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.