Kiem Liem, M.D.
NPI 1407875982 · Hematology & Oncology Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kiem Liem, M.D. is a Hematology & Oncology Physician provider in Long Beach, CA (NPI 1407875982).
Provider details
- NPI number
- 1407875982
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 141060 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
358 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 171 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 104 | $97 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 53 | $144 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 15 | $181 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 15 | $65 |
Practice location
Mailing address
Additional practice locations (2)
- 1043 Elm AveSte 104Long Beach, CA 90813-3271Phone: (562) 590-0345Fax: (562) 437-8139
- 350 Heritage Way Ste 1100Kalispell, MT 59901-3160Phone: (406) 752-8900Fax: (406) 752-8909
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2024-04-10
- Certified
- 2024-04-10
Frequently asked questions
- What is Kiem Liem's NPI number?
- Kiem Liem's National Provider Identifier (NPI) is 1407875982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kiem Liem's specialty?
- Kiem Liem is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Kiem Liem located?
- Kiem Liem's practice location on file with NPPES is 3747 Worsham Ave Ste 101, Long Beach, CA 90808-1734.
- What is Kiem Liem's phone number?
- The practice phone number listed in the NPPES registry for Kiem Liem is (562) 430-5900.
- Does Kiem Liem accept Medicare?
- Kiem Liem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kiem Liem's NPI active?
- Yes — Kiem Liem's NPI (1407875982) is active in the NPPES registry as of the last update on 2024-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.