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Physical Medicine and Rehabilitation

Jiensup Kim, MD

Sees patients in Walnut Creek, CA · California

Summary

Dr. Jiensup Kim, MD is a rehabilitation doctor at 450 N Wiget Ln, Walnut Creek, CA 94598. Phone: (925) 482-8151. Accepts Medicare assignment. In 2024, Jiensup Kim had 312 Original Medicare patients and 4,380 services. NPI 1639131154. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Rehabilitation doctor (Medicare lists Physical Medicine and Rehabilitation)
  • Address: 450 N Wiget Ln, Walnut Creek, CA 94598 · Directions
  • Phone: (925) 482‑8151
  • Medicare: Accepts Medicare assignment
  • Group practice: Integrated Pain Management Medical Group Inc
  • Medical school: Loma Linda University School Of Medicine · graduated 1991 (35 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Jiensup Kim, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jiensup Kim accept Medicare assignment?
Yes. Medicare's clinician data says Jiensup Kim accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Jiensup Kim see?
In 2024, CMS data shows 312 Original Medicare patients and 4,380 services for Jiensup Kim. This counts Original Medicare only and measures volume, not quality.
What is Jiensup Kim's NPI number?
1639131154. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Jiensup Kim, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients312
Services billed to Medicare4,380
Different services or procedures56
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,506 services
  2. Injection, methylprednisolone acetate, 1 mg (J1010)1,255 services
  3. Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (G0483)492 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)120 services
  5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)118 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Arthritis75%
  • High blood pressure71%
  • High cholesterol67%
  • Diabetes36%
  • Depression28%
  • Anxiety27%

Practice locations

Addresses where Jiensup Kim is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jiensup Kim as a member of this group (CMS data updated October 2, 2026).

  • Integrated Pain Management Medical Group Inc44 clinicians in the group

Specialties

Find other Physical Medicine and Rehabilitation doctors in California →

Other rehabilitation doctors in Walnut Creek

Clinicians with the same Medicare primary specialty in Walnut Creek, CA — not a recommendation.

All rehabilitation doctors in Walnut Creek →

Other clinicians in Integrated Pain Management Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639131154
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians