DR. TIAN RAN ZHU MD
NPI 1285128637
Dermatology in Sunnyvale, CA
About Dr. Tian Ran Zhu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIAN RAN ZHU MD (NPI 1285128637) is an individual dermatology provider in Sunnyvale, California, licensed in California (A205987) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Warren Alpert Medical School Of Brown University (2018).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 3
Other Identifiers 1
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. Tian Ran Zhu Md 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 Tian Ran Zhu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Pedro, CA 90732
- Reassigned Medicare billing, California enrollment
- 179 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 94087 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Tian Ran Zhu's NPI number?
The NPI number for Tian Ran Zhu is 1285128637. It was assigned to this individual provider in the NPPES registry on June 19, 2018. The provider is also known as Dr. Richard Zhu MD.
Where is Tian Ran Zhu located?
Tian Ran Zhu practices at 603 S Knickerbocker Dr, Sunnyvale, CA 94087. The listed phone number is (408) 736-0441.
What is Tian Ran Zhu's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Tian Ran Zhu enrolled in Medicare?
Yes. Tian Ran Zhu 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 Tian Ran Zhu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tian Ran Zhu reassigns Medicare benefits to Csi Medical Group (San Pedro, 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 Tian Ran Zhu'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 Tian Ran Zhu was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Tian Ran Zhu, MD · NPI 1285128637
Dermatology physician in Sunnyvale, California. Individual provider, active in the CMS NPPES registry since June 19, 2018.
## Identity
- **NPI:** 1285128637 (Entity type: Individual)
- **Enumerated:** June 19, 2018
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **State license:** A205987 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 603 S KNICKERBOCKER DR, Sunnyvale, CA 94087-1034
- **Phone:** (408) 736-0441 · **Fax:** (408) 736-0722
## 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:** Csi Medical Group (NPI 1871909804, San Pedro, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Warren Alpert Medical School Of Brown University, class of 2018
## Record status
- **NPPES last updated:** August 11, 2026
- **Other identifiers:** Other D8060163 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1285128637) · Data from the CMS NPPES public registry.