Charles William Maas, M.D.
Psychiatry Physician · Yuba City, CA
Charles William Maas, M.D. is a psychiatry physician with a practice address in Yuba City, California, and NPI 1609851757, issued on Dec 13, 2005. Check the license (California G15905, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Charles William Maas
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G15905 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1965 Live Oak Blvd, Yuba City, CA 95991
- Phone
- (530) 822-7513
- Enumerated
- Dec 13, 2005
- Record last updated
- Sep 23, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (530) 822-7514
- Medicaid ID
- 00G159050 CA
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1965 Live Oak Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donald AbelMental Health Counselor1427343086
- Sandie Adams, LPT 25258Licensed Psychiatric Technician1942338363
- Brian Agolia, LMFTMarriage & Family Therapist1487839775
- Robert AhuAdult Companion1588788715
- Sandy Alexander, LCSWClinical Social Worker1346431970
- Joy Allen, CADCAddiction (Substance Use Disorder) Counselor1881101053
Verify Charles William Maas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G15905Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Charles William Maas among 8,673 psychiatry physician records in California
Charles William Maas, M.D. 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 not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2013 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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
- Abigail Landenberger, DOYuba City, CA 959911912586843
Common questions
What is Charles William Maas, M.D.'s NPI number?
Charles William Maas, M.D.'s National Provider Identifier (NPI) is 1609851757, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Charles William Maas, M.D. located?
The NPPES record lists a practice address at 1965 Live Oak Blvd, Yuba City, CA, 95991. Phone: (530) 822-7513. Providers update this record themselves, so call before visiting.
How can I verify Charles William Maas, M.D.'s license?
NPPES lists California license number G15905, 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. 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.