Lauren Spieler, DO
Family Medicine Physician · Santa Rosa, CA
Lauren Spieler, DO is a family medicine physician with a practice address in Santa Rosa, California, and NPI 1811196322, issued on Jul 13, 2007. Check the license (California 20A10197, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lauren Spieler
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A10197 CA
Self-reported in NPPES; status is on the state search - Practice location
- 95 Montgomery Dr, Santa Rosa, CA 95404
- Phone
- (707) 634-4644
- Enumerated
- Jul 13, 2007
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (707) 286-0063
- Medicare enrollment
- Enrolled (PECOS I20110121000902); 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 95 Montgomery Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lauren Spieler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average family medicine physician in 2024
4,619 Medicare Part D claims for 1,132 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 299 claims were for opioids.
Most prescribed
- Levothyroxine Sodium256 claims
- Atorvastatin Calcium218 claims
- Losartan Potassium148 claims
- Gabapentin137 claims
- Amlodipine Besylate135 claims
- Fluticasone Propionate118 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
- Permanente Medical Group IncStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lauren Spieler among 17,133 family medicine physician records in California
Lauren Spieler, 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 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 fileYes · 62% of these records are
- Graduated2005 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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).
264 family medicine physician records list a practice address in Santa Rosa
They are 264 of the 6,884 NPPES records with a practice address in Santa Rosa, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Rosa → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Anna BaylorSanta Rosa, CA 954041538218433
- Kevin Bergman, M.D.Santa Rosa, CA 954041679699300
- David-James Bloom, MDSanta Rosa, CA 954041699731133
- Jeannette Currie, M.D.Santa Rosa, CA 954041083642409
- Richard Flinders, MDSanta Rosa, CA 954041376557835
- Robert Gaskie, MDSanta Rosa, CA 954041962556613
- Leigh Hall, MDSanta Rosa, CA 954041366515173
- April Hurley, MDSanta Rosa, CA 954041538269048
Common questions
What is Lauren Spieler, DO's NPI number?
Lauren Spieler, DO's National Provider Identifier (NPI) is 1811196322, issued on Jul 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lauren Spieler, DO located?
The NPPES record lists a practice address at 95 Montgomery Dr, Santa Rosa, CA, 95404. Phone: (707) 634-4644. Providers update this record themselves, so call before visiting.
How can I verify Lauren Spieler, DO's license?
NPPES lists California license number 20A10197, 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 Lauren Spieler, DO prescribe under Medicare Part D?
In 2024, Lauren Spieler, DO had 4,619 Medicare Part D claims for 1,132 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.