Charlotte Shum, MD
NPI 1205914090 · Orthopaedic Hand Surgery Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Hand Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlotte Shum, MD is a Orthopaedic Hand Surgery Physician provider in Chicago, IL (NPI 1205914090).
Provider details
- NPI number
- 1205914090
- Entity type
- Individual
- Primary specialty
- Orthopaedic Hand Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A80010 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
622 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 195 | $136 |
| X-Ray of Wrist, Minimum of 3 Views73110 | 96 | $44 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 63 | $180 |
| X-Ray of Hand, Minimum of 3 Views73130 | 60 | $39 |
| Injection Into Tendon Or Ligament20550 | 58 | $56 |
| X-Ray of Finger, Minimum of 2 Views73140 | 41 | $41 |
Practice location
Mailing address
Additional practice locations (1)
- 280 W Macarthur BlvdOakland, CA 94611-5642Phone: (510) 752-1000
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2022-05-16
- Certified
- 2022-05-16
Frequently asked questions
- What is Charlotte Shum's NPI number?
- Charlotte Shum's National Provider Identifier (NPI) is 1205914090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlotte Shum's specialty?
- Charlotte Shum is listed in the NPPES registry with a primary specialty of Orthopaedic Hand Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Charlotte Shum located?
- Charlotte Shum's practice location on file with NPPES is 737 N Michigan Ave Ste 700, Chicago, IL 60611-6662.
- What is Charlotte Shum's phone number?
- The practice phone number listed in the NPPES registry for Charlotte Shum is (312) 337-6960.
- Does Charlotte Shum accept Medicare?
- Charlotte Shum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlotte Shum's NPI active?
- Yes — Charlotte Shum's NPI (1205914090) is active in the NPPES registry as of the last update on 2022-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.