Madelaine Marie Greacen, MD
Family Medicine Physician · Santa Rosa, CA
Madelaine Marie Greacen, MD is a family medicine physician with a practice address in Santa Rosa, California, and NPI 1881182624, issued on Apr 26, 2018. Check the license (California A174845, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Madelaine Marie Greacen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A174845 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1162 Montgomery Dr Ste 200, Santa Rosa, CA 95405
- Phone
- (707) 890-4100
- Enumerated
- Apr 26, 2018
- Record last updated
- Oct 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211007002361); 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 1162 Montgomery Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Bell, PA-CPhysician Assistant1891217204
Verify Madelaine Marie Greacen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A174845Check 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% more Medicare Part D claims than the average family medicine physician in 2024
3,573 Medicare Part D claims for 529 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 142 claims were for opioids.
Most prescribed
- Atorvastatin Calcium200 claims
- Levothyroxine Sodium182 claims
- Amlodipine Besylate119 claims
- Losartan Potassium98 claims
- Trazodone Hcl89 claims
- Hydrocodone-Acetaminophen79 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 2 group practices
- Providence Medical FoundationNapa, CA
- Sutter Valley Medical FoundationFairfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Madelaine Marie Greacen among 17,133 family medicine physician records in California
Madelaine Marie Greacen, MD 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · 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
- Herbert Brosbe, M.D.Santa Rosa, CA 954051518940519
- Forrest Chilcott, MDSanta Rosa, CA 954051841229689
- James Devore, MDSanta Rosa, CA 954051043273469
- Tabitha Doniach, M.D., PH.D.Santa Rosa, CA 954051952344616
- Gary Furness, MDSanta Rosa, CA 954051144281635
- Alvin Gore, MDSanta Rosa, CA 954051326042821
- Thomas Honrath, M.D.Santa Rosa, CA 954051093779845
- Catherine Johnsen, DOSanta Rosa, CA 954051801830724
Common questions
What is Madelaine Marie Greacen, MD's NPI number?
Madelaine Marie Greacen, MD's National Provider Identifier (NPI) is 1881182624, issued on Apr 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Madelaine Marie Greacen, MD located?
The NPPES record lists a practice address at 1162 Montgomery Dr Ste 200, Santa Rosa, CA, 95405. Phone: (707) 890-4100. Providers update this record themselves, so call before visiting.
How can I verify Madelaine Marie Greacen, MD's license?
NPPES lists California license number A174845, 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 Madelaine Marie Greacen, MD prescribe under Medicare Part D?
In 2024, Madelaine Marie Greacen, MD had 3,573 Medicare Part D claims for 529 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.