Karen Shum, DPM
NPI 1235483629 · Foot & Ankle Surgery Podiatrist · Torrance, CA
Enrolled with Medicare as Practitioner - Podiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Shum, DPM is a Foot & Ankle Surgery Podiatrist provider in Torrance, CA (NPI 1235483629).
Provider details
- NPI number
- 1235483629
- Entity type
- Individual
- Primary specialty
- Foot & Ankle Surgery PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- DPM
- Sex
- Female
- Sole proprietor
- Yes
- License
- E5034 (CA)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,296 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) |
|---|---|---|
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 501 | $60 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 299 | $68 |
| Removal of Skin and Tissue, Each Additional 20.0 Sq Cm Or Less11045 | 278 | $25 |
| Removal of Tissue From Wound, 20.0 Sq Cm Or Less97597 | 183 | $36 |
| Removal of Muscle And/Or Tissue, 20.0 Sq Cm Or Less11043 | 162 | $158 |
| Removal of Tissue From Wound, Each Additional 20.0 Sq Cm97598 | 139 | $24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gentamicin Sulfate | 53 | 44 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 47 | 34 |
| Doxycycline Hyclate | 31 | 21 |
| Collagenase Clostridium Hist.brand: Santyl | 28 | 20 |
| Ketoconazole | 19 | 11 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 15 | — |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,051 across 36 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
Registry dates
- Enumerated
- 2012-11-06
- Last updated
- 2018-05-24
Frequently asked questions
- What is Karen Shum's NPI number?
- Karen Shum's National Provider Identifier (NPI) is 1235483629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Shum's specialty?
- Karen Shum is listed in the NPPES registry with a primary specialty of Foot & Ankle Surgery Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is Karen Shum located?
- Karen Shum's practice location on file with NPPES is 3330 Lomita Blvd, Torrance, CA 90505.
- What is Karen Shum's phone number?
- The practice phone number listed in the NPPES registry for Karen Shum is (310) 517-4736.
- Does Karen Shum accept Medicare?
- Karen Shum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Shum's NPI active?
- Yes — Karen Shum's NPI (1235483629) is active in the NPPES registry as of the last update on 2018-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.