FRANK WAICHUNG ZHANG DO
NPI 1942729124
Internal Medicine - Pulmonary Disease in Santa Monica, CA
About Frank Waichung Zhang Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FRANK WAICHUNG ZHANG DO (NPI 1942729124) is an individual pulmonary disease provider in Santa Monica, California, licensed in California (20A16737) and active in the NPI registry since September 2017. He is enrolled in Medicare PECOS and is a graduate of Philadelphia College Of Osteopathic Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
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
Frank Waichung Zhang Do 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 Reassignment
Medicare enrollment records show Frank Zhang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 1,766 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
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 Frank Zhang's NPI number?
The NPI number for Frank Zhang is 1942729124. It was assigned to this individual provider in the NPPES registry on September 19, 2017.
Where is Frank Zhang located?
Frank Zhang practices at 1223 16th St Ste 3400, Santa Monica, CA 90404. The listed phone number is (310) 449-0939.
What is Frank Zhang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Frank Zhang enrolled in Medicare?
Yes. Frank 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 organization bills Medicare for Frank Zhang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frank Zhang reassigns Medicare benefits to The Regents Of The University Of California (Los Angeles, CA). The 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 Frank 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 Frank Zhang was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.
# Frank Waichung Zhang, DO · NPI 1942729124
Pulmonary Disease physician in Santa Monica, California. Individual provider, active in the CMS NPPES registry since September 19, 2017.
## Identity
- **NPI:** 1942729124 (Entity type: Individual)
- **Enumerated:** September 19, 2017
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 20A16737 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1223 16TH ST STE 3400, Santa Monica, CA 90404-1279
- **Phone:** (310) 449-0939
## 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:** The Regents Of The University Of California (NPI 1235107566, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2017
## Record status
- **NPPES last updated:** January 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1942729124) · Data from the CMS NPPES public registry.