Registry data as of Aug 27, 2026

Carl Taswell, MD

Psychiatry Physician · Ladera Ranch, CA

Carl Taswell, MD is a psychiatry physician with a practice address in Ladera Ranch, California, and NPI 1679799266, issued on Apr 18, 2007. Check the license (California G65826, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1679799266
Name
Carl Taswell
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
G65826 CA
MD2017-1001 NM
Self-reported in NPPES; status is on the state search
Practice location
8 Gilly Flower St, Ladera Ranch, CA 92694
Phone
(949) 481-3121
Enumerated
Apr 18, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Carl Taswell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G65826
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

95% fewer Medicare Part D claims than the average psychiatry physician in 2024

53 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Carl Taswell53
  2. Specialty average1,000

Most prescribed

  1. Olanzapine16 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.

7 psychiatry physician records list a practice address in Ladera Ranch

They are 7 of the 264 NPPES records with a practice address in Ladera Ranch, and 8,673 psychiatry physician records in California.

Other psychiatry physician records in California

  1. Nancy Aaen, MDNapa, CA1609816669
  2. Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
  3. Mekabiz Abaian, MDSan Bernardino, CA1891090163
  4. Brenda Abarca, MDTorrance, CA1407485527
  5. Pilar Abascal, M.D.Los Angeles, CA1730528191
  6. Michele Abbasi, M.D.Westlake Village, CA1093940330
  7. Zohaib AbbasiMartinez, CA1013392224
  8. Sandy Abdelkedous, MDFresno, CA1306093109
  9. Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
  10. Ezzat Abdelmalek, M.DDana Point, CA1992828826

Common questions

What is Carl Taswell, MD's NPI number?

Carl Taswell, MD's National Provider Identifier (NPI) is 1679799266, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Carl Taswell, MD located?

The NPPES record lists a practice address at 8 Gilly Flower St, Ladera Ranch, CA, 92694. Phone: (949) 481-3121. Providers update this record themselves, so call before visiting.

How can I verify Carl Taswell, MD's license?

NPPES lists California license number G65826, 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 Carl Taswell, MD prescribe under Medicare Part D?

In 2024, Carl Taswell, MD had 53 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), loaded Aug 27, 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) 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 27, 2026.