Doctor profile · Federal record

Dr. Katherine Hartzell, M.D.

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

  • NPI 1871804690
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
510 1St Ave, #703
San Diego, CA 921016766
(310) 560-0955

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
December 15, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #A120930

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871804690. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$104
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 2 $103.73

By nature of payment

Food and Beverage
$104

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
89
Patients
20
Total drug cost
$12,922
Drug Type Claims Patients Total cost
Estradiol Generic 45 20 $1,581
Climara (Estradiol) Brand 16 0 $2,221
Estring (Estradiol) Brand 15 0 $8,889
Medroxyprogesterone Acetate Generic 13 0 $231

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Hartzell's medical specialty?
Dr. Katherine Hartzell practices Obstetrics & Gynecology Physician in San Diego, CA.
Where does Dr. Katherine Hartzell practice?
Dr. Katherine Hartzell practices at 510 1St Ave, San Diego, CA 921016766. Office phone: 3105600955.
What is Dr. Katherine Hartzell's NPI?
Dr. Katherine Hartzell's National Provider Identifier (NPI) is 1871804690, issued by NPPES.
Does Dr. Katherine Hartzell accept Medicare assignment?
Yes. Dr. Katherine Hartzell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.