James L. Maher, MD
Obstetrics & Gynecology Physician · Roseville, CA
James L. Maher, MD is an obstetrics & gynecology physician with a practice address in Roseville, California, and NPI 1629173729, issued on Sep 13, 2006. Check the license (California G62127, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James L. Maher
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G62127 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3 Medical Plaza Dr, Roseville, CA 95661
- Phone
- (916) 773-7977
- Enumerated
- Sep 13, 2006
- Record last updated
- May 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (916) 773-7979
- Medicaid ID
- 00G621270 CA
- Medicare enrollment
- Enrolled (PECOS I20081222000415); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 3 Medical Plaza Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephanie Austin, M.D.Otolaryngology Physician1629399126
- Beverly Bruce, OTOccupational Therapist1366557266
- Douglas Canlas, M.D.Internal Medicine Physician1871721654
- Kim David Canlas, M.D.Internal Medicine Physician1982920401
- April Cauthen, NPNurse Practitioner1225185622
Verify James L. Maher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G62127Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
204 Medicare Part D claims for 74 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Estradiol82 claims
- Medroxyprogesterone Acetate27 claims
- Estradiol (Once Weekly)22 claims
- Venlafaxine Hcl Er12 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
- Sutter Valley Medical FoundationRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James L. Maher among 5,088 obstetrics & gynecology physician records in California
James L. Maher, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1986 · median 2004 among the 2,700 with a school on file
- Record last updated2015 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Roseville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Cathy Baker, MDRoseville, CA 956611164500807
- Dina Canavero, MEDICAL DOCTORRoseville, CA 956611386612083
- Meera Chong, MDRoseville, CA 956611275648974
- Jose Cueto, M.D.Roseville, CA 956611265543987
- Jacqueline Ho, MEDICAL DOCTORRoseville, CA 956611831167543
- Melissa Johnson, M.D.Roseville, CA 956611184618654
- Blake Lambourne, MEDICAL DOCTORRoseville, CA 956611194793802
- Stacie Macdonald, M.D.Roseville, CA 956611700849973
Common questions
What is James L. Maher, MD's NPI number?
James L. Maher, MD's National Provider Identifier (NPI) is 1629173729, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James L. Maher, MD located?
The NPPES record lists a practice address at 3 Medical Plaza Dr, Roseville, CA, 95661. Phone: (916) 773-7977. Providers update this record themselves, so call before visiting.
How can I verify James L. Maher, MD's license?
NPPES lists California license number G62127, 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 James L. Maher, MD prescribe under Medicare Part D?
In 2024, James L. Maher, MD had 204 Medicare Part D claims for 74 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.