ROBERT HON KWONG MAK MD
NPI 1740295252
Pediatrics - Pediatric Nephrology in San Diego, CA
About Robert Hon Kwong Mak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT HON KWONG MAK MD (NPI 1740295252) is an individual pediatric nephrology provider in San Diego, California, licensed in California (A43991) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Robert Hon Kwong Mak Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Robert Mak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 562 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.
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.
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
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 Robert Mak's NPI number?
The NPI number for Robert Mak is 1740295252. It was assigned to this individual provider in the NPPES registry on July 31, 2006.
Where is Robert Mak located?
Robert Mak practices at 8001 Frost St Entrance 10, San Diego, CA 92123. The listed phone number is (858) 966-8052.
What is Robert Mak's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Nephrology, with taxonomy code 2080P0210X.
Is Robert Mak enrolled in Medicare?
Yes. Robert Mak is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Robert Mak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Mak reassigns Medicare benefits to Rady Children's Hospital San Diego (San Diego, 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 Robert Mak'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 Robert Mak was last updated on October 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Robert Hon Kwong Mak, MD · NPI 1740295252
Pediatric Nephrology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since July 31, 2006.
## Identity
- **NPI:** 1740295252 (Entity type: Individual)
- **Enumerated:** July 31, 2006
- **Primary specialty:** Pediatrics - Pediatric Nephrology · taxonomy 2080P0210X
- **State license:** A43991 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 8001 FROST ST, ENTRANCE 10, San Diego, CA 92123-2746
- **Phone:** (858) 966-8052
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Rady Children's Hospital San Diego (NPI 1669617197, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 14, 2011
- **Other identifiers:** Medicaid 00A439910 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1740295252) · Data from the CMS NPPES public registry.