Doctor profile · Federal record

Dr. Jien Shim, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Menlo Park, CA

  • NPI 1275875957
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1300 Crane St
Menlo Park, CA 940254260
(888) 924-1036
Additional location
200 UCLA Medical Plz Ste 530
Los Angeles, CA 900956007
(310) 825-7922
fax (310) 267-1899
Additional location
8641 Wilshire Blvd Ste 210
Beverly Hills, CA 902112920
(310) 855-7002
fax (310) 855-7003

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
April 16, 2024
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A148949

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275875957. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,962
Distinct HCPCS
10
Medicare allowed
$263,150
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 4,442 46 $23
77080 Dxa bone density measurement of hip, pelvis, spine 391 391 $49
99214 Established patient office or other outpatient visit, 30-39 minutes 385 229 $150
83036 Hemoglobin a1c level 136 85 $10
99215 Established patient office or other outpatient visit, 40-54 minutes 121 93 $209
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 117 58 $39
99204 New patient office or other outpatient visit, 45-59 minutes 93 93 $194
96372 Injection of drug or substance under skin or into muscle 88 47 $17
99205 New patient office or other outpatient visit, 60-74 minutes 87 87 $255
99213 Established patient office or other outpatient visit, 20-29 minutes 52 50 $107

In context: peer comparison

Among 1 peers in this city , average services per provider: 496. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,037
Patients
377
Total drug cost
$395,670
Drug Type Claims Patients Total cost
Alendronate Sodium Generic 170 62 $2,178
Levothyroxine Sodium Generic 155 59 $2,779
Metformin Hcl Generic 99 36 $1,047
Metformin Hcl Er (Metformin Hcl) Brand 89 36 $1,475
Ozempic (Semaglutide) Brand 81 21 $107,196
Synthroid (Levothyroxine Sodium) Brand 70 27 $7,283
Mounjaro (Tirzepatide) Brand 55 15 $81,297
Trulicity (Dulaglutide) Brand 52 15 $91,955
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 47 20 $23,351
Jardiance (Empagliflozin) Brand 46 14 $51,241

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jien Shim's medical specialty?
Dr. Jien Shim practices Endocrinology, Diabetes & Metabolism Physician in Menlo Park, CA.
Where does Dr. Jien Shim practice?
Dr. Jien Shim practices at 1300 Crane St, Menlo Park, CA 940254260. Office phone: 8889241036.
What is Dr. Jien Shim's NPI?
Dr. Jien Shim's National Provider Identifier (NPI) is 1275875957, issued by NPPES.
Does Dr. Jien Shim accept Medicare assignment?
Yes. Dr. Jien Shim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jien Shim commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.