Rosanne Mayhew, M.D.
Obstetrics & Gynecology Physician · Los Gatos, CA
Rosanne Mayhew, M.D. is an obstetrics & gynecology physician with a practice address in Los Gatos, California, and NPI 1124120985, issued on Sep 2, 2006. Check the license (California A44044, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rosanne Mayhew
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A44044 CA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Pollard RD Ste B203, Los Gatos, CA 95032
- Phone
- (408) 871-1885
- Enumerated
- Sep 2, 2006
- Record last updated
- May 31, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (408) 871-8405
- Entity
- Type 1 · individual
Also registered at 800 Pollard RD Ste B203
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Siriporn Usanakornkul, L.AC.Acupuncturist1922529197
Verify Rosanne Mayhew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A44044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
75 Medicare Part D claims for 18 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 73% of claims.
Most prescribed
- Levoxyl26 claims
- Cytomel14 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.
37 obstetrics & gynecology physician records list a practice address in Los Gatos
They are 37 of the 1,905 NPPES records with a practice address in Los Gatos, and 5,088 obstetrics & gynecology physician records in California.
All 37 in Los Gatos → All 5,088 in California → Every provider in Los Gatos →
Other obstetrics & gynecology physician records in California
- Ingrid Aalami, MDSan Jose, CA1952376550
- Avisa Abaian- Eagar, M.D.Orange, CA1316057755
- Derek Abbassi, MDWalnut Creek, CA1841364155
- Ahmed Abdelaziz, MDSanta Maria, CA1790039733
- Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA1881804235
- Nicole Abell, DOVentura, CA1811243603
- Zachary AbelsonLos Angeles, CA1689237414
- Ray Abinader, M.D.Loma Linda, CA1770901548
- Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
- Nada Abou-HaibaLos Angeles, CA1134067549
Common questions
What is Rosanne Mayhew, M.D.'s NPI number?
Rosanne Mayhew, M.D.'s National Provider Identifier (NPI) is 1124120985, issued on Sep 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rosanne Mayhew, M.D. located?
The NPPES record lists a practice address at 800 Pollard RD Ste B203, Los Gatos, CA, 95032. Phone: (408) 871-1885. Providers update this record themselves, so call before visiting.
How can I verify Rosanne Mayhew, M.D.'s license?
NPPES lists California license number A44044, 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 Rosanne Mayhew, M.D. prescribe under Medicare Part D?
In 2024, Rosanne Mayhew, M.D. had 75 Medicare Part D claims for 18 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.