Mario Mangiardi, MD
Child & Adolescent Psychiatry Physician · Petaluma, CA
Mario Mangiardi, MD is a child & adolescent psychiatry physician with a practice address in Petaluma, California, and NPI 1023490828, issued on Jun 29, 2015. Check the license (California A153617, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mario Mangiardi
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License numbers
- A153617 CA
MT209621 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1900 S Mcdowell Blvd, Petaluma, CA 94954
- Phone
- (707) 699-6100
- Enumerated
- Jun 29, 2015
- Record last updated
- Jul 27, 2022
- Medicare enrollment
- Enrolled (PECOS I20191028002149); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Also registered at 1900 S Mcdowell Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin Collins, LMFTMarriage & Family Therapist1033082284
- Mikaela GuevarraStudent in an Organized Health Care Education/Training Program1700707098
- Paige SarlandtProfessional Counselor1821845868
- Amanda Spencer, PSY.D.Clinical Psychologist1164805784
- Kaitlin Venema, PHDClinical Psychologist1043651722
Verify Mario Mangiardi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A153617Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
147 Medicare Part D claims for 99 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.
Most prescribed
- Lorazepam15 claims
- Gabapentin13 claims
- Trazodone Hcl12 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.
Bills Medicare through one group practice
- Permanente Medical Group IncPetaluma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mario Mangiardi among 1,009 child & adolescent psychiatry physician records in California
Mario Mangiardi, MD is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2015 · median 2005 among the 215 with a school on file
- Record last updated2022 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in California
There are 1,009 child & adolescent psychiatry physician records in California.
All 1,009 in California → Every provider in Petaluma → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Margaret Grimley, M.D.Petaluma, CA 949521558461095
- Susie Shin-Calandrella, MDPetaluma, CA 949521790859775
- Kenneth Wulff, MDPetaluma, CA 949521124105085
- Paul Rossman, M.D.San Anselmo, CA 949601447693353
- Michael Ramsey, D.O.Mill Valley, CA 949411205052693
- Matthew Williams, MDMill Valley, CA 949411326626797
- Chelsea Young, MDMill Valley, CA 949411942695754
- Zachary Schwab, MDLarkspur, CA 949391255862181
Common questions
What is Mario Mangiardi, MD's NPI number?
Mario Mangiardi, MD's National Provider Identifier (NPI) is 1023490828, issued on Jun 29, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mario Mangiardi, MD located?
The NPPES record lists a practice address at 1900 S Mcdowell Blvd, Petaluma, CA, 94954. Phone: (707) 699-6100. Providers update this record themselves, so call before visiting.
How can I verify Mario Mangiardi, MD's license?
NPPES lists California license number A153617, 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 Mario Mangiardi, MD prescribe under Medicare Part D?
In 2024, Mario Mangiardi, MD had 147 Medicare Part D claims for 99 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. 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.