Doctor profile · Federal record

Dr. Penelope Zeifert, PHD

Clinical Neuropsychologist (CMS: Clinical Psychologist) · Stanford, CA

  • NPI 1093841611
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 498-7875

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
July 6, 2023
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
103G00000X — NUCC code
State license (1)
California #PSY12493

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093841611. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
532
Distinct HCPCS
7
Medicare allowed
$36,722
HCPCS Description Services Patients Avg allowed
96139 Administration of psychological or neuropsychological test by technician, each additional 30 minutes 238 47 $49
96133 Evaluation of neuropsychological test, each additional hour 109 50 $86
96132 Evaluation of neuropsychological test, first hour 55 53 $119
96116 Exam of neurobehavioral status, first hour 51 50 $91
96138 Administration of psychological or neuropsychological test by technician, first 30 minutes 48 47 $48
96167 Treatment of behavior impacting health with family and patient, initial 30 minutes 17 17 $68
96158 Treatment of behavior impacting health, initial 30 minutes 14 14 $64

In context: peer comparison

Among 4 peers in Stanford Clinical Neuropsychologist, average services per provider: 151. This provider delivers 3.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Penelope Zeifert's medical specialty?
Dr. Penelope Zeifert practices Clinical Neuropsychologist in Stanford, CA.
Where does Dr. Penelope Zeifert practice?
Dr. Penelope Zeifert practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6504987875.
What is Dr. Penelope Zeifert's NPI?
Dr. Penelope Zeifert's National Provider Identifier (NPI) is 1093841611, issued by NPPES.
Does Dr. Penelope Zeifert accept Medicare assignment?
Yes. Dr. Penelope Zeifert accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Penelope Zeifert commonly perform?
Top Medicare-reported procedures in 2023: Administration of psychological or neuropsychological test by technician (HCPCS 96139); Evaluation of neuropsychological test, each additional hour (HCPCS 96133); Evaluation of neuropsychological test, first hour (HCPCS 96132). Source: CMS Medicare Physician & Other Practitioners file.