Doctor profile · Federal record

Dr. Madeleine Oster, DNP, NP

Nurse Practitioner · Adult Health Nurse Practitioner · Stanford, CA

  • NPI 1023654084
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
November 2019 — 7 yrs on file
Profile last updated
December 30, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
California #95013926

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023654084. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
370
Distinct HCPCS
6
Medicare allowed
$43,085
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 154 125 $184
Q3014 Telehealth originating site facility fee 135 115 $28
99215 Established patient office or other outpatient visit, 40-54 minutes 29 29 $141
99205 New patient office or other outpatient visit, 60-74 minutes 23 23 $225
93280 Programming of dual lead pacemaker system 16 15 $37
33285 Insertion of heart rhythm monitor under skin 13 13 $82

In context: peer comparison

Among 150 peers in Stanford Nurse Practitioner, average services per provider: 60. This provider delivers 6.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
113
Patients
36
Total drug cost
$29,658
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 45 19 $483
Eliquis (Apixaban) Brand 42 17 $28,931
Metoprolol Tartrate Generic 15 0 $34
Amiodarone Hcl Generic 11 0 $209

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Madeleine Oster's medical specialty?
Dr. Madeleine Oster practices Nurse Practitioner in Stanford, CA.
Where does Dr. Madeleine Oster practice?
Dr. Madeleine Oster practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Madeleine Oster's NPI?
Dr. Madeleine Oster's National Provider Identifier (NPI) is 1023654084, issued by NPPES.
Does Dr. Madeleine Oster accept Medicare assignment?
Yes. Dr. Madeleine Oster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Madeleine Oster commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Telehealth originating site facility fee (HCPCS Q3014); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.