Joshua Paul Warolin, D.O.
Pediatrics Physician · Madera, CA
Joshua Paul Warolin, D.O. is a pediatrics physician with a practice address in Madera, California, and NPI 1356591200, issued on Sep 29, 2008. Check the license (California 20A10563, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joshua Paul Warolin
- Credential
- D.O.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 20A10563 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9300 Valley Childrens PL, Madera, CA 93636
- Phone
- (559) 353-5745
- Enumerated
- Sep 29, 2008
- Record last updated
- Aug 15, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130819000530); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 9300 Valley Childrens PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nohemi AcunaSocial Worker1407408263
- Jillian AdneyDental Assistant1124584115
- Neha Ahuja, M.D.Pediatric Gastroenterology Physician1750728358
- Sayeh AkhavanStudent in an Organized Health Care Education/Training Program1487340154
- Nikita Akkala, DO, MSStudent in an Organized Health Care Education/Training Program1093506057
Verify Joshua Paul Warolin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10563Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average pediatrics physician in 2024
36 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $825.24
35 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 21,580 providers of this specialty with any payment received $842.05 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 GroupBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Paul Warolin among 9,272 pediatrics physician records in California
Joshua Paul Warolin, D.O. is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 39% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2007 · median 2012 among the 754 with a school on file
- Record last updated2013 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
85 pediatrics physician records list a practice address in Madera
They are 85 of the 2,011 NPPES records with a practice address in Madera, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Madera → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Victoria Acharya, M.D.Madera, CA 936361114997350
- Tracy Chin, CPNPMadera, CA 936361932325131
- David Christensen, MDMadera, CA 936361225133556
- Michael Hauser, MDMadera, CA 936361629039912
- James Horspool, DOMadera, CA 936361174503338
- Whitney Kalin, M.D.Madera, CA 936361013099043
- Robert KezirianMadera, CA 936361225147424
- Sophie Lanciers, MDMadera, CA 936361619952918
Common questions
What is Joshua Paul Warolin, D.O.'s NPI number?
Joshua Paul Warolin, D.O.'s National Provider Identifier (NPI) is 1356591200, issued on Sep 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Paul Warolin, D.O. located?
The NPPES record lists a practice address at 9300 Valley Childrens PL, Madera, CA, 93636. Phone: (559) 353-5745. Providers update this record themselves, so call before visiting.
How can I verify Joshua Paul Warolin, D.O.'s license?
NPPES lists California license number 20A10563, 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.
How much does Joshua Paul Warolin, D.O. prescribe under Medicare Part D?
In 2024, Joshua Paul Warolin, D.O. had 36 Medicare Part D claims; the average among pediatrics physician prescribers was 375. Part D covers Medicare prescriptions only.
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.