Siqi Ma, DO
Family Medicine Physician · Clearlake, CA
Siqi Ma, DO is a family medicine physician with a practice address in Clearlake, California, and NPI 1659991933, issued on Apr 16, 2020. Check the license (California 20A21190, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Siqi Ma
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 20A21190 CA
7451 OK
Self-reported in NPPES; status is on the state search - Practice location
- 15230 Lakeshore Dr, Clearlake, CA 95422
- Phone
- (707) 995-4500
- Enumerated
- Apr 16, 2020
- Record last updated
- Oct 20, 2023
- Medicare enrollment
- Enrolled (PECOS I20231016003365); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 15230 Lakeshore Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Veronica ArroyoCommunity Health Worker1730710617
- Pari Azari, M.D.Interventional Pain Medicine Physician1942442132
- Arthur Bikangaga, MDSurgery Physician1952319030
- Jerylyn Bohlender, LCSWClinical Social Worker1750782488
- Daniel Boucher, MDFamily Medicine Physician1164115549
Verify Siqi Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A21190Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average family medicine physician in 2024
3,495 Medicare Part D claims for 271 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Levothyroxine Sodium267 claims
- Atorvastatin Calcium246 claims
- Omeprazole161 claims
- Amlodipine Besylate160 claims
- Lisinopril145 claims
- Metformin Hcl108 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
- Hill Health Inc A Medical CorporationOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siqi Ma among 17,133 family medicine physician records in California
Siqi Ma, DO 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 2020, is newer than 88% of them.
- NPI issued2020 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2018 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 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).
9 family medicine physician records list a practice address in Clearlake
They are 9 of the 321 NPPES records with a practice address in Clearlake, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Clearlake → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Daniel Boucher, MDClearlake, CA 954221164115549
- Sonja Derose, MDClearlake, CA 954221558849661
- Jerry Douglas, MDClearlake, CA 954221285603621
- Mark Freeman, MDClearlake, CA 954221801898929
- Gail Marquette, FNPClearlake, CA 954221205851656
- Susan Salmina, FNP-CClearlake, CA 954221700322690
- Wolfgang Schug, MDClearlake, CA 954221598798233
- John Weeks, M.D.Clearlake, CA 954221962473074
Common questions
What is Siqi Ma, DO's NPI number?
Siqi Ma, DO's National Provider Identifier (NPI) is 1659991933, issued on Apr 16, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Siqi Ma, DO located?
The NPPES record lists a practice address at 15230 Lakeshore Dr, Clearlake, CA, 95422. Phone: (707) 995-4500. Providers update this record themselves, so call before visiting.
How can I verify Siqi Ma, DO's license?
NPPES lists California license number 20A21190, 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 Siqi Ma, DO prescribe under Medicare Part D?
In 2024, Siqi Ma, DO had 3,495 Medicare Part D claims for 271 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.