Doctor profile · Federal record

Dr. Leon Lenchik, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Stanford, CA

  • NPI 1871578336
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Additional location
725 Welch RD
Palo Alto, CA 943041601
(650) 497-8000

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
October 20, 2025
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #G80571
Medicaid (4)
VA #7213841 · WV #220677000 · NC #8951723 · SC #Q00607

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871578336. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,269
Distinct HCPCS
10
Medicare allowed
$49,471
HCPCS Description Services Patients Avg allowed
73562 X-ray of knee, 3 views 450 393 $10
73030 X-ray of shoulder, minimum of 2 views 309 259 $9
72170 X-ray of pelvis, 1-2 views 235 219 $8
77080 Dxa bone density measurement of hip, pelvis, spine 226 226 $31
73502 X-ray of hip, 2-3 views 221 209 $14
73502 X-ray of hip, 2-3 views 193 178 $10
73562 X-ray of knee, 3 views 187 178 $9
73030 X-ray of shoulder, minimum of 2 views 171 152 $11
73560 X-ray of knee, 1-2 views 161 144 $8
73630 X-ray of foot, minimum of 3 views 136 122 $8

In context: peer comparison

Among 64 peers in this city , average services per provider: 118. This provider delivers 36× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leon Lenchik's medical specialty?
Dr. Leon Lenchik practices Diagnostic Radiology Physician in Stanford, CA.
Where does Dr. Leon Lenchik practice?
Dr. Leon Lenchik practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Leon Lenchik's NPI?
Dr. Leon Lenchik's National Provider Identifier (NPI) is 1871578336, issued by NPPES.
Does Dr. Leon Lenchik accept Medicare assignment?
Yes. Dr. Leon Lenchik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leon Lenchik commonly perform?
Top Medicare-reported procedures in 2023: X-ray of knee, 3 views (HCPCS 73562); X-ray of shoulder, minimum of 2 views (HCPCS 73030); X-ray of pelvis, 1-2 views (HCPCS 72170). Source: CMS Medicare Physician & Other Practitioners file.