Abigail Sy Landenberger, DO
Psychiatry Physician · Yuba City, CA
Abigail Sy Landenberger, DO is a psychiatry physician with a practice address in Yuba City, California, and NPI 1912586843, issued on Apr 7, 2021. Check the license (California 22693, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Abigail Sy Landenberger
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 22693 CA
Self-reported in NPPES; status is on the state search - Practice location
- 935 Market St, Yuba City, CA 95991
- Phone
- (530) 674-4261
- Enumerated
- Apr 7, 2021
- Record last updated
- Jul 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20240801000774); accepts Medicare assignment
- Medical or professional school
- Lincoln Mem Univ, Debusk Col Of Osteopathic Med, 2021
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 935 Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clifford Blais, M.D.Family Medicine Physician1609271915
- Divya Kolli, PA-CMedical Physician Assistant1811340391
- Donna Morgan, CADC-IAddiction (Substance Use Disorder) Counselor1558150466
- Anita Sherali, FNP-CFamily Nurse Practitioner1700395001
- Fatima Smith, RDHDental Hygienist1407667454
- Vimaljit WahgaNurse Practitioner1245887660
Verify Abigail Sy Landenberger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 22693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average psychiatry physician in 2024
13 Medicare Part D claims, against an average of 1,000 among the 35,054 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.
Bills Medicare through one group practice
- Ampla HealthYuba City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Abigail Sy Landenberger among 8,673 psychiatry physician records in California
Abigail Sy Landenberger, DO 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2021 · median 2005 among the 3,295 with a school on file
- Record last updated2025 · 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 Yuba City → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Navneet Bains, MDYuba City, CA 959911861847758
- Christopher Barnett, M.D.Yuba City, CA 959911306037312
- Edward Benbow, M.D.Yuba City, CA 959911700917002
- Rosa Chung, DOYuba City, CA 959911750814893
- Zhila Haghbin, M.DYuba City, CA 959911194868497
- Raul Hizon, M.D.Yuba City, CA 959911619068152
- Alissa Kraisosky, MDYuba City, CA 959911134207285
- Charles Maas, M.D.Yuba City, CA 959911609851757
Common questions
What is Abigail Sy Landenberger, DO's NPI number?
Abigail Sy Landenberger, DO's National Provider Identifier (NPI) is 1912586843, issued on Apr 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Abigail Sy Landenberger, DO located?
The NPPES record lists a practice address at 935 Market St, Yuba City, CA, 95991. Phone: (530) 674-4261. Providers update this record themselves, so call before visiting.
How can I verify Abigail Sy Landenberger, DO's license?
NPPES lists California license number 22693, 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 Abigail Sy Landenberger, DO prescribe under Medicare Part D?
In 2024, Abigail Sy Landenberger, DO had 13 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.