Michael D. Maggioncalda, DO
Family Medicine Physician · Rohnert Park, CA
Michael D. Maggioncalda, DO is a family medicine physician with a practice address in Rohnert Park, California, and NPI 1043394042, issued on Oct 25, 2006. Check the license (California 20A6628, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael D. Maggioncalda
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A6628 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5900 State Farm Dr, Rohnert Park, CA 94928
- Phone
- (707) 206-3000
- Enumerated
- Oct 25, 2006
- Record last updated
- Jul 30, 2026
- Medicaid ID
- 00AX66280 CA
- Medicare enrollment
- Enrolled (PECOS I20050707001072); may accept Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1990
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 5900 State Farm Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sandy Batarseh, PHARMDPharmacist1720512288
- Roseanne Beers, MDFamily Medicine Physician1447334412
- Ronald Bruce, MDFamily Medicine Physician1275617342
Verify Michael D. Maggioncalda in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A6628Check 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
518 Medicare Part D claims for 163 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium27 claims
- Metformin Hcl Er26 claims
- Losartan Potassium25 claims
- Lisinopril23 claims
- Lisinopril-Hydrochlorothiazide23 claims
- Amlodipine Besylate16 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
- Sonoma Valley Community Health CenterSonoma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael D. Maggioncalda among 17,133 family medicine physician records in California
Michael D. Maggioncalda, 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 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
- Graduated1990 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 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).
33 family medicine physician records list a practice address in Rohnert Park
They are 33 of the 483 NPPES records with a practice address in Rohnert Park, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Rohnert Park → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Margo Budman, MDRohnert Park, CA 949281710949821
- Charles Catlett, MDRohnert Park, CA 949281588748651
- Christopher Crossland, MDRohnert Park, CA 949281447334438
- Mary Frank, M.D.Rohnert Park, CA 949281174536023
- Robert Goodman, MDRohnert Park, CA 949281982666855
- Rex Harner, M.D.Rohnert Park, CA 949281528066321
- Judith Heiler, M.D.Rohnert Park, CA 949281346354420
- Steven Levenberg, DORohnert Park, CA 949281952350381
Common questions
What is Michael D. Maggioncalda, DO's NPI number?
Michael D. Maggioncalda, DO's National Provider Identifier (NPI) is 1043394042, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael D. Maggioncalda, DO located?
The NPPES record lists a practice address at 5900 State Farm Dr, Rohnert Park, CA, 94928. Phone: (707) 206-3000. Providers update this record themselves, so call before visiting.
How can I verify Michael D. Maggioncalda, DO's license?
NPPES lists California license number 20A6628, 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 D. Maggioncalda, DO prescribe under Medicare Part D?
In 2024, Michael D. Maggioncalda, DO had 518 Medicare Part D claims for 163 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.