DR. CHARLOTTE X ZHANG M.D.
NPI 1306844642
Hospitalist in West Hollywood, CA
About Dr. Charlotte X Zhang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHARLOTTE X ZHANG M.D. (NPI 1306844642) is an individual hospitalist provider in West Hollywood, California, licensed in California (C151202) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2000).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Charlotte X Zhang M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Charlotte Zhang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST HOLLYWOOD, CA 90048
WEST HOLLYWOOD, CA 90048
WEST HOLLYWOOD, CA 90048
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Charlotte Zhang's NPI number?
The NPI number for Charlotte Zhang is 1306844642. It was assigned to this individual provider in the NPPES registry on July 11, 2005.
Where is Charlotte Zhang located?
Charlotte Zhang practices at 8700 Beverly Blvd, West Hollywood, CA 90048. The listed phone number is (310) 423-5000.
What is Charlotte Zhang's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Charlotte Zhang enrolled in Medicare?
Yes. Charlotte Zhang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Charlotte Zhang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charlotte Zhang reassigns Medicare benefits to 3 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA), Inpatient Specialists Of California, PC (San Bernardino, CA) and Hospitalist Medicine Physicians Of California, Inc (Apple Valley, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charlotte Zhang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Charlotte Zhang was last updated on June 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Charlotte X Zhang, M.D. · NPI 1306844642
Hospitalist physician in West Hollywood, California. Individual provider, active in the CMS NPPES registry since July 11, 2005.
## Identity
- **NPI:** 1306844642 (Entity type: Individual)
- **Enumerated:** July 11, 2005
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** C151202 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 8700 BEVERLY BLVD, West Hollywood, CA 90048-1804
- **Phone:** (310) 423-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Cedars-Sinai Medical Care Foundation (NPI 1043826720, Los Angeles, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA); Hospitalist Medicine Physicians Of California, Inc (NPI 1184663965, Apple Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kansas School Of Med, class of 2000
## Record status
- **NPPES last updated:** June 16, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1306844642) · Data from the CMS NPPES public registry.