Nianzhou Xiao, M.D.
Pediatric Nephrology Physician · Madera, CA
Nianzhou Xiao, M.D. is a pediatric nephrology physician with a practice address in Madera, California, and NPI 1659504959, issued on Sep 2, 2009. Check the license (California C161300, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nianzhou Xiao
- Credential
- M.D.
- Primary taxonomy
- Pediatric Nephrology Physician 2080P0210X
- License number
- C161300 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9300 Valley Childrens PL Dept OF, Madera, CA 93636
- Phone
- (559) 353-5770
- Enumerated
- Sep 2, 2009
- Record last updated
- Oct 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (559) 353-8361
- Medicare enrollment
- Enrolled (PECOS I20190723000939); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric nephrology physician records → All 116 in California → Look up another NPI →
Verify Nianzhou Xiao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C161300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $52.58
1 payment: food and beverage; the largest payer was Akebia Therapeutics Inc. The 297 providers of this specialty with any payment received $3,704.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Valley Childrens Medical GroupModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nianzhou Xiao among 116 pediatric nephrology physician records in California
Nianzhou Xiao, M.D. is one of 116 pediatric nephrology physician records with a practice address in California. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 38% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2000 · median 2007 among the 61 with a school on file
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0210X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Nephrology Physician providers in California
There are 116 pediatric nephrology physician records in California.
All 116 in California → Every provider in Madera → Pediatric Nephrology Physician nationwide →
The 8 pediatric nephrology physician records with the nearest ZIP codes
- Laide Jinadu, M.D.Madera, CA 936361063695799
- Syed Kamal, M.D.Madera, CA 936361346292836
- Julia Tzeng, M.D.Madera, CA 936361912106634
- Lyndon Senar, M.D., INC.Bakersfield, CA 933011275556672
- Alexandra BickiSan Francisco, CA 941431982139291
- Onur Cil, MD, PHDSan Francisco, CA 941431851741540
- Kristen Favel, MD, MPH, FRCPCSan Francisco, CA 941431619674504
- Alaa Hamed, MDSan Francisco, CA 941431518527290
Common questions
What is Nianzhou Xiao, M.D.'s NPI number?
Nianzhou Xiao, M.D.'s National Provider Identifier (NPI) is 1659504959, issued on Sep 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nianzhou Xiao, M.D. located?
The NPPES record lists a practice address at 9300 Valley Childrens PL Dept OF, Madera, CA, 93636. Phone: (559) 353-5770. Providers update this record themselves, so call before visiting.
How can I verify Nianzhou Xiao, M.D.'s license?
NPPES lists California license number C161300, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.