Doctor profile · Federal record

Dr. John Schlaerth, MD

Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Bakersfield, CA

  • NPI 1457368029
  • Accepts Medicare
  • MIPS 77.5 / 100 · 2023
  • 58 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2011 19Th Street
Bakersfield, CA 933014211
(661) 326-1401
fax (661) 326-1411
Mailing address
P.O. Box 8410
Pasadena, CA 911098410

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
August 15, 2011
Year of graduation
1968 — 58 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
California #G18591

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457368029. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
108
Distinct HCPCS
2
Medicare allowed
$12,605
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 83 60 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 25 18 $68

In context: peer comparison

Among 1 peers in this city , average services per provider: 54. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
83
Patients
11
Total drug cost
$10,255
Drug Type Claims Patients Total cost
Clobetasol Propionate Generic 25 11 $2,270
Estradiol Generic 12 0 $1,048
Finasteride Generic 12 0 $61
Tamsulosin Hcl Generic 12 0 $87
Januvia (Sitagliptin Phosphate) Brand 11 0 $6,760
Metformin Hcl Generic 11 0 $28

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Schlaerth's medical specialty?
Dr. John Schlaerth practices Gynecologic Oncology Physician in Bakersfield, CA.
Where does Dr. John Schlaerth practice?
Dr. John Schlaerth practices at 2011 19Th Street, Bakersfield, CA 933014211. Office phone: 6613261401.
What is Dr. John Schlaerth's NPI?
Dr. John Schlaerth's National Provider Identifier (NPI) is 1457368029, issued by NPPES.
Does Dr. John Schlaerth accept Medicare assignment?
Yes. Dr. John Schlaerth accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Schlaerth commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.