Doctor profile · Federal record

Dr. Michael Greicius, MD

Neurology Physician (CMS: Neurology) · Stanford, CA

  • NPI 1861443509
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 30 yrs in practice
  • Male
  • 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
May 2006 — 20 yrs on file
Profile last updated
November 10, 2023
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
California #A73822

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861443509. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
80
Distinct HCPCS
3
Medicare allowed
$10,685
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 45 41 $113
99215 Established patient office or other outpatient visit, 40-54 minutes 19 19 $166
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $153

In context: peer comparison

Among 19 peers in Stanford Neurology Physician, average services per provider: 295. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
189
Patients
31
Total drug cost
$9,161
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 86 31 $1,408
Sertraline Hcl Generic 32 0 $621
Trazodone Hcl Generic 26 0 $605
Quetiapine Fumarate Generic 20 0 $1,025
Rivastigmine Generic 14 0 $5,068
Phenytoin Generic 11 0 $434

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Greicius's medical specialty?
Dr. Michael Greicius practices Neurology Physician in Stanford, CA.
Where does Dr. Michael Greicius practice?
Dr. Michael Greicius practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Michael Greicius's NPI?
Dr. Michael Greicius's National Provider Identifier (NPI) is 1861443509, issued by NPPES.
Does Dr. Michael Greicius accept Medicare assignment?
Yes. Dr. Michael Greicius accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Greicius 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 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.