JIEN SHIM M.D.
NPI 1275875957
Internal Medicine - Endocrinology, Diabetes & Metabolism in Menlo Park, CA

Active since March 20, 2013PECOS EnrolledAccepts Medicare Assignment
1300 CRANE ST, MENLO PARK, CA 94025(888) 924-1036 Get Directions Write a Review

NPPES record last updated: April 16, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 16, 2024, Oct 14, 2021, Oct 3, 2019 (3 updates tracked since 2019).

About Jien Shim M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JIEN SHIM M.D. (NPI 1275875957) is an individual endocrinology, diabetes & metabolism provider in Menlo Park, California, licensed in California (A148949) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (2013).

NPPES Registry Identity

NPI1275875957
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameJIEN SHIMCredential: M.D.
Location Address1300 CRANE STMenlo Park, CA 94025-4260
Mailing Address1300 Crane StMenlo Park, CA 94025-4260 · (888) 924-1036
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 2013
Enumeration DateMarch 20, 2013
Last NPPES UpdateApril 16, 20243 updates tracked since enumeration
NPPES CertifiedApril 16, 2024
NPI 1275875957 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in CA · A148949
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License A148949 (CA)
1300 CRANE ST, Menlo Park, CA 94025

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Jien Shim M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9739475674
PECOS Enrollment IDI20190731001703
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
5,161 services54 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
556 services318 patients
Dxa bone density measurement of hip, pelvis, spine 77080
A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.
408 services408 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
157 services90 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
152 services59 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
126 services126 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94025 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
3 suppliers106 claims106 services$186.20 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dietitian, Registered
1300 CRANE ST
MENLO PARK, CA 94025
Pediatrics
1300 CRANE ST
MENLO PARK, CA 94025
Internal Medicine
1300 CRANE ST
MENLO PARK, CA 94025
Radiology (Diagnostic Radiology)
1300 CRANE ST
MENLO PARK, CA 94025
Internal Medicine
1300 CRANE ST
MENLO PARK, CA 94025
Preventive Medicine (Public Health & General Preventive Medicine)
1300 CRANE ST
MENLO PARK, CA 94025
Internal Medicine
1300 CRANE ST
MENLO PARK, CA 94025
Internal Medicine
1300 CRANE ST
MENLO PARK, CA 94025

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jien Shim's NPI number?

The NPI number for Jien Shim is 1275875957. It was assigned to this individual provider in the NPPES registry on March 20, 2013.

Where is Jien Shim located?

Jien Shim practices at 1300 Crane St, Menlo Park, CA 94025. The listed phone number is (888) 924-1036.

What is Jien Shim's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Jien Shim enrolled in Medicare?

Yes. Jien Shim is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Jien Shim was last updated on April 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.