Andrea Ruth Carter, MD
Psychiatry Physician · Lancaster, CA
Andrea Ruth Carter, MD is a psychiatry physician with a practice address in Lancaster, California, and NPI 1992091391, issued on Jun 23, 2011. Check the license (California A124095, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrea Ruth Carter
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A124095 CA
Self-reported in NPPES; status is on the state search - Practice location
- 44444 20TH St W, Lancaster, CA 93534
- Phone
- (661) 951-0070
- Enumerated
- Jun 23, 2011
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150415001457); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 44444 20TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cynthia Adams, MFTMarriage & Family Therapist1104021385
- Edwin AguirreClinical Social Worker1265149306
- Gurpreet AhluwaliaMarriage & Family Therapist1720435084
- Janyne Brown, MS, LPCCProfessional Counselor1942709167
- Percy BrownMarriage & Family Therapist1427228600
Verify Andrea Ruth Carter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124095Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average psychiatry physician in 2024
913 Medicare Part D claims for 189 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Trazodone Hcl77 claims
- Duloxetine Hcl62 claims
- Fluoxetine Hcl58 claims
- Gabapentin51 claims
- Clozapine48 claims
- Sertraline Hcl47 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
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrea Ruth Carter among 8,673 psychiatry physician records in California
Andrea Ruth Carter, MD 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 updated2021 · 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 Lancaster → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Thomas Carlton, M.D.Lancaster, CA 935341912079518
- Roy Del-Rosario, M.D.Lancaster, CA 935341740381870
- Omar Anthony Eslao, M.D.Lancaster, CA 935341518112606
- Robert Imani, M.D.Lancaster, CA 935341639374747
- Willard Quirk, M.D.Lancaster, CA 935341821072950
- Tiffany Tsai, M.D.Lancaster, CA 935341043483431
- Christy Waters, MDLancaster, CA 935341831249630
- Harald Krueger, M.D.Lancaster, CA 935351477691988
Common questions
What is Andrea Ruth Carter, MD's NPI number?
Andrea Ruth Carter, MD's National Provider Identifier (NPI) is 1992091391, issued on Jun 23, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Andrea Ruth Carter, MD located?
The NPPES record lists a practice address at 44444 20TH St W, Lancaster, CA, 93534. Phone: (661) 951-0070. Providers update this record themselves, so call before visiting.
How can I verify Andrea Ruth Carter, MD's license?
NPPES lists California license number A124095, 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 Andrea Ruth Carter, MD prescribe under Medicare Part D?
In 2024, Andrea Ruth Carter, MD had 913 Medicare Part D claims for 189 beneficiaries; 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.