Ethan Ittner, D.O.
Psychiatry Physician · Chico, CA
Ethan Ittner, D.O. is a psychiatry physician with a practice address in Chico, California, and NPI 1083908248, issued on Jun 6, 2011. Check the license (California 20A13826, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ethan Ittner
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 20A13826 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3247 Esplanade, Chico, CA 95973
- Phone
- (530) 883-8535
- Enumerated
- Jun 6, 2011
- Record last updated
- Nov 10, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150728006360); accepts Medicare assignment
- Medical or professional school
- College Of Osteo Med Of The Pacific At Pomona, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Ethan Ittner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13826Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average psychiatry physician in 2024
3,010 Medicare Part D claims for 293 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Bupropion Xl140 claims
- Quetiapine Fumarate139 claims
- Escitalopram Oxalate136 claims
- Duloxetine Hcl133 claims
- Clonazepam127 claims
- Sertraline Hcl127 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.
The MIPS final score for 2023 (Medicare payment program): 77.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,238.77
61 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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
- Therapeutic Solutions Professional CorporationChico, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ethan Ittner among 8,673 psychiatry physician records in California
Ethan Ittner, D.O. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2011 · median 2005 among the 3,295 with a school on file
- Record last updated2017 · 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 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Chico → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Lori Lariviere, M.D.Chico, CA 959731407022106
- Astrid Otten Carranza, MDChico, CA 959731902345192
- Thomas Suberman, MDChico, CA 959731730470014
- John Durocher, M.D.Quincy, CA 959711710006655
- Michael Little, MDParadise, CA 959691952393845
- Lynne Pappas, MDParadise, CA 959691427069194
- Larry Alb, M.D.Oroville, CA 959651043262454
- Thomas Buckley, MDOroville, CA 959651588701726
Common questions
What is Ethan Ittner, D.O.'s NPI number?
Ethan Ittner, D.O.'s National Provider Identifier (NPI) is 1083908248, issued on Jun 6, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ethan Ittner, D.O. located?
The NPPES record lists a practice address at 3247 Esplanade, Chico, CA, 95973. Phone: (530) 883-8535. Providers update this record themselves, so call before visiting.
How can I verify Ethan Ittner, D.O.'s license?
NPPES lists California license number 20A13826, 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 Ethan Ittner, D.O. prescribe under Medicare Part D?
In 2024, Ethan Ittner, D.O. had 3,010 Medicare Part D claims for 293 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Ethan Ittner, D.O.'s MIPS final score?
The 2023 MIPS final score is 77.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.