Doctor profile · Federal record

Dr. SERENE ALEXANDER, D.O.

Obstetrics & Gynecology Physician (CMS: OBSTETRICS/GYNECOLOGY) · MERCED, CA

  • NPI 1841555109
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
797 W CHILDS AVE
MERCED, CA 953416805
(209) 383-5871
fax (209) 383-1402
Additional location
7601 Hospital Dr Ste 220
Sacramento, CA 958235408
(916) 569-8600
fax (916) 368-0815
Mailing address
1910 CUSTOMER CARE WAY
ATWATER, CA 953015167

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #14603

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841555109. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
163
Distinct HCPCS
4
Medicare allowed
$15,659
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 111 73 $97
99203 New patient office or other outpatient visit, 30-44 minutes 20 20 $117
99212 Established patient office or other outpatient visit, 10-19 minutes 20 17 $61
58100 Biopsy of lining of uterus 12 12 $111

In context: peer comparison

Among 2 peers in this city , average services per provider: 33. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,252
Transactions
11
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 6 $1,045.73
Hologic Sales and Service, LLC 2 $148.00
ABBVIE INC. 2 $44.09
Exeltis, USA Inc. 1 $13.94

By nature of payment

Travel and Lodging
$936
Food and Beverage
$315

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
54
Patients
19
Total drug cost
$7,342
Drug Type Claims Patients Total cost
Estradiol Generic 39 19 $3,133
Premarin (Estrogens, Conjugated) Brand 15 0 $4,209