Doctor profile · Federal record

Dr. James Maher, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Roseville, CA

  • NPI 1629173729
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3 Medical Plaza Dr, #260
Roseville, CA 956613087
(916) 773-7977
fax (916) 773-7979
Mailing address
10470 Old Placerville RD, Suite 100
Sacramento, CA 958272539

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
May 20, 2015
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #G62127
Medicaid
CA #00G621270

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629173729. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
95
Distinct HCPCS
3
Medicare allowed
$8,094
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 43 32 $95
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 28 28 $42
99203 New patient office or other outpatient visit, 30-44 minutes 24 24 $119

In context: peer comparison

Among 5 peers in Roseville Obstetrics & Gynecology Physician, average services per provider: 27. This provider delivers 3.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
126
Patients
33
Total drug cost
$11,428
Drug Type Claims Patients Total cost
Estradiol Generic 72 33 $5,141
Medroxyprogesterone Acetate Generic 19 0 $230
Premarin (Estrogens, Conjugated) Brand 12 0 $5,671
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 12 0 $79
Clobetasol Propionate Generic 11 0 $307

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Maher's medical specialty?
Dr. James Maher practices Obstetrics & Gynecology Physician in Roseville, CA.
Where does Dr. James Maher practice?
Dr. James Maher practices at 3 Medical Plaza Dr, Roseville, CA 956613087. Office phone: 9167737977.
What is Dr. James Maher's NPI?
Dr. James Maher's National Provider Identifier (NPI) is 1629173729, issued by NPPES.
Does Dr. James Maher accept Medicare assignment?
Yes. Dr. James Maher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Maher commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.