Karen Sue Johnson, M.D.
Psychiatry Physician · Pacifica, CA
Karen Sue Johnson, M.D. is a psychiatry physician with a practice address in Pacifica, California, and NPI 1891861308, issued on Nov 27, 2006. Check the license (California C41861, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Sue Johnson
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- C41861 CA
301041281 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5017 Palmetto Ave Apt 68, Pacifica, CA 94044
- Phone
- (415) 647-2353
- Enumerated
- Nov 27, 2006
- Record last updated
- May 21, 2023
- Fax
- (888) 960-9079
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Karen Sue Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C41861Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average psychiatry physician in 2024
67 Medicare Part D claims for 11 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Karen Sue Johnson among 8,673 psychiatry physician records in California
Karen Sue Johnson, 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. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2023 · 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 Pacifica → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- William Burns, M.D.Pacifica, CA 940441568502243
- Miriam Cruz, M.D.Pacifica, CA 940441326261587
- Anya SteinbergMountain View, CA 940431942320882
- Shulei ChenMountain View, CA 940411053056655
- Katie ChengMountain View, CA 940411013394121
- Lindsay French-Rosas, MDMountain View, CA 940411407011018
- David James, MDMountain View, CA 940411225614993
- Liu Yi LinMountain View, CA 940411144683269
Common questions
What is Karen Sue Johnson, M.D.'s NPI number?
Karen Sue Johnson, M.D.'s National Provider Identifier (NPI) is 1891861308, issued on Nov 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Sue Johnson, M.D. located?
The NPPES record lists a practice address at 5017 Palmetto Ave Apt 68, Pacifica, CA, 94044. Phone: (415) 647-2353. Providers update this record themselves, so call before visiting.
How can I verify Karen Sue Johnson, M.D.'s license?
NPPES lists California license number C41861, 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 Karen Sue Johnson, M.D. prescribe under Medicare Part D?
In 2024, Karen Sue Johnson, M.D. had 67 Medicare Part D claims for 11 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.