Charlotte Zhang, M.D.
NPI 1306844642 · Hospitalist Physician · West Hollywood, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlotte Zhang, M.D. is a Hospitalist Physician provider in West Hollywood, CA (NPI 1306844642).
Provider details
- NPI number
- 1306844642
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 04-29423 (KS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
471 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) |
|---|---|---|
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 160 | $121 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 139 | $123 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 129 | $82 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 43 | $181 |
Typical Medicare-allowed amounts for these services range $82–$181 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 33 | 19 |
| Carvedilol | 22 | 13 |
| Gabapentin | 21 | 21 |
| Losartan Potassium | 16 | — |
| Atorvastatin Calcium | 14 | — |
| Lisinopril | 13 | — |
| Prednisone | 12 |
Practice location
Mailing address
Additional practice locations (2)
- 1200 B Gale Wilson BlvdFairfield, CA 94533-3552Phone: (707) 646-5080
- 10500 Quivira RdOverland Park, KS 66215-2306Phone: (913) 541-5000
Registry dates
- Enumerated
- 2005-07-11
- Last updated
- 2022-06-16
- Certified
- 2022-06-16
Frequently asked questions
- What is Charlotte Zhang's NPI number?
- Charlotte Zhang's National Provider Identifier (NPI) is 1306844642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlotte Zhang's specialty?
- Charlotte Zhang is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Charlotte Zhang located?
- Charlotte Zhang's practice location on file with NPPES is 8700 Beverly Blvd, West Hollywood, CA 90048-1804.
- What is Charlotte Zhang's phone number?
- The practice phone number listed in the NPPES registry for Charlotte Zhang is (310) 423-5000.
- Does Charlotte Zhang accept Medicare?
- Charlotte Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlotte Zhang's NPI active?
- Yes — Charlotte Zhang's NPI (1306844642) is active in the NPPES registry as of the last update on 2022-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.