Doctor profile · Federal record

Dr. Keith Posley, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Mountain View, CA

  • NPI 1861527343
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 E El Camino Real
Mountain View, CA 940402833
(650) 934-7800
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
February 25, 2021
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
California #G80235 · California #G080235

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861527343. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
834
Distinct HCPCS
6
Medicare allowed
$108,513
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 365 122 $137
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 196 94 $91
99239 Hospital discharge day management, more than 30 minutes 125 116 $134
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 81 81 $200
99238 Hospital discharge day management, 30 minutes or less 42 42 $95
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 25 24 $149

In context: peer comparison

Among 19 peers in this city , average services per provider: 136. This provider delivers 6.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
25
Patients
24
Total drug cost
$351
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 13 12 $177
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $174

Frequently asked questions

Auto-generated from federal data
What is Dr. Keith Posley's medical specialty?
Dr. Keith Posley practices Hospitalist Physician in Mountain View, CA.
Where does Dr. Keith Posley practice?
Dr. Keith Posley practices at 701 E El Camino Real, Mountain View, CA 940402833. Office phone: 6509347800.
What is Dr. Keith Posley's NPI?
Dr. Keith Posley's National Provider Identifier (NPI) is 1861527343, issued by NPPES.
Does Dr. Keith Posley accept Medicare assignment?
Yes. Dr. Keith Posley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Keith Posley commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.