Michael J. Kwiker, D.O.
Family Medicine Physician · Sacramento, CA
Michael J. Kwiker, D.O. is a family medicine physician with a practice address in Sacramento, California, and NPI 1538289186, issued on Mar 29, 2007. Check the license (California 20A-3637, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael J. Kwiker
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A-3637 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3301 Alta Arden Expy, Sacramento, CA 95825
- Phone
- (916) 489-4400
- Enumerated
- Mar 29, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (916) 489-1710
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3301 Alta Arden Expy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael J. Kwiker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A-3637Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family medicine physician in 2024
521 Medicare Part D claims for 106 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Levothyroxine Sodium42 claims
- Progesterone35 claims
- Nystatin27 claims
- Clonazepam19 claims
- Eliquis18 claims
- Liothyronine Sodium17 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.
Michael J. Kwiker among 17,133 family medicine physician records in California
Michael J. Kwiker, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
473 family medicine physician records list a practice address in Sacramento
They are 473 of the 33,083 NPPES records with a practice address in Sacramento, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Sacramento → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Alan Anzai, MDSacramento, CA 958251710065420
- Peter Ash, MDSacramento, CA 958251629156385
- Rebecca Chinn, MDSacramento, CA 958251528172640
- Stuart Hahn, MDSacramento, CA 958251447336979
- Kimberly Laurenson, MDSacramento, CA 958251801974514
- Benjamin Leavy, M.D.Sacramento, CA 958251710960307
- Nuzhat Majid, MDSacramento, CA 958251073578225
- Donald Martin, M.D.Sacramento, CA 958251194708925
Common questions
What is Michael J. Kwiker, D.O.'s NPI number?
Michael J. Kwiker, D.O.'s National Provider Identifier (NPI) is 1538289186, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael J. Kwiker, D.O. located?
The NPPES record lists a practice address at 3301 Alta Arden Expy, Sacramento, CA, 95825. Phone: (916) 489-4400. Providers update this record themselves, so call before visiting.
How can I verify Michael J. Kwiker, D.O.'s license?
NPPES lists California license number 20A-3637, 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 Michael J. Kwiker, D.O. prescribe under Medicare Part D?
In 2024, Michael J. Kwiker, D.O. had 521 Medicare Part D claims for 106 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.