Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Tong Sun, MD
Nephrology Physician in Modesto, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629161336
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Registry record
Entity type Individual (Type 1)
Name Tong Sun
Credential MD
Sex Male
Practice address 305 E Granger Ave, Ste 202, Modesto, CA, 95350
Phone (209) 526-1606
Fax (209) 526-1677
Enumeration date Oct 2, 2006
Last updated in NPPES Feb 22, 2008
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00A973130 | Medicaid | CA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Tong Sun?
The National Provider Identifier (NPI) for Tong Sun is 1629161336, a Type 1 (individual) record in the CMS NPPES registry.
Where does Tong Sun practice?
The practice location on file with NPPES is in Modesto, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Kriengsak Itsara Nephrology Physician · Modesto, CA NPI 1558363739 Modesto Kidney Medical Group Nephrology Physician · Modesto, CA NPI 1306848569 Chang Joo Nephrology Physician · Modesto, CA NPI 1508868787 Kenneth Liu Nephrology Physician · Modesto, CA NPI 1326042391 Modesto Kidney Center, Inc. End-Stage Renal Disease (ESRD) Treatment Clinic/Center · Modesto, CA NPI 1003887712
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-02-22.