Michael John Schierman, M.D.
Family Medicine Physician · Danville, CA
Michael John Schierman, M.D. is a family medicine physician with a practice address in Danville, California, and NPI 1427128131, issued on Nov 9, 2006. Check the license (California A48145, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael John Schierman
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A48145 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4165 Blackhawk Plaza Cir, Danville, CA 94506
- Phone
- (925) 648-7140
- Enumerated
- Nov 9, 2006
- Record last updated
- Dec 28, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (925) 648-0878
- Medicare enrollment
- Enrolled (PECOS I20081224000007); 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 4165 Blackhawk Plaza Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christine Chang, M.D.Internal Medicine Physician1770696056
- Chester Cheng, M.D.Plastic and Reconstructive Surgery Physician1497892640
Verify Michael John Schierman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A48145Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average family medicine physician in 2024
3,935 Medicare Part D claims for 468 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 63 claims were for opioids.
Most prescribed
- Atorvastatin Calcium286 claims
- Losartan Potassium219 claims
- Amlodipine Besylate157 claims
- Levothyroxine Sodium153 claims
- Zolpidem Tartrate152 claims
- Olmesartan Medoxomil142 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.
Industry payments in 2024: $1,878.94
55 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- John Muir Physician NetworkDanville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael John Schierman among 17,133 family medicine physician records in California
Michael John Schierman, M.D. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1987 · median 2005 among the 10,652 with a school on file
- Record last updated2012 · 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).
17 family medicine physician records list a practice address in Danville
They are 17 of the 897 NPPES records with a practice address in Danville, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Danville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mallory Cless, MDDanville, CA 945061649847203
- Magdy Danial, MDDanville, CA 945061306865753
- Jonathan Humphrey, M.D.Danville, CA 945061689644866
- Nathalie Michaud, M.D.Danville, CA 945061467460022
- John Roberts, M.D.Danville, CA 945061700856978
- Sheetal Shah, D.O.Danville, CA 945061861620072
- Matthew Swartz, DODanville, CA 945061497800916
- Cathrien Abdelnor, MDAlamo, CA 945071033783246
Common questions
What is Michael John Schierman, M.D.'s NPI number?
Michael John Schierman, M.D.'s National Provider Identifier (NPI) is 1427128131, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael John Schierman, M.D. located?
The NPPES record lists a practice address at 4165 Blackhawk Plaza Cir, Danville, CA, 94506. Phone: (925) 648-7140. Providers update this record themselves, so call before visiting.
How can I verify Michael John Schierman, M.D.'s license?
NPPES lists California license number A48145, 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 John Schierman, M.D. prescribe under Medicare Part D?
In 2024, Michael John Schierman, M.D. had 3,935 Medicare Part D claims for 468 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.