Ook Kim, M.D.
NPI 1285849992 · Internal Medicine Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ook Kim, M.D. is a Internal Medicine Physician provider in Riverside, CA (NPI 1285849992).
Provider details
- NPI number
- 1285849992
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A97565 (CA)
Specialties & taxonomies
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
459 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 272 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 104 | $94 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 46 | $20 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 37 | $133 |
Typical Medicare-allowed amounts for these services range $20–$133 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 131 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 372 | 125 |
| Losartan Potassium | 334 | 100 |
| Rosuvastatin Calcium | 333 | 103 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 318 | 48 |
| Amlodipine Besylate | 311 | 103 |
| Lisinopril | 282 | 93 |
Practice location
Mailing address
Additional practice locations (1)
- 11370 Anderson StLoma Linda, CA 92354-3450Phone: (909) 558-2481
Registry dates
- Enumerated
- 2007-05-14
- Last updated
- 2025-07-30
- Certified
- 2025-07-30
Frequently asked questions
- What is Ook Kim's NPI number?
- Ook Kim's National Provider Identifier (NPI) is 1285849992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ook Kim's specialty?
- Ook Kim is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ook Kim located?
- Ook Kim's practice location on file with NPPES is 7117 Brockton Ave, Riverside, CA 92506-2658.
- What is Ook Kim's phone number?
- The practice phone number listed in the NPPES registry for Ook Kim is (951) 782-3849.
- Does Ook Kim accept Medicare?
- Ook Kim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ook Kim's NPI active?
- Yes — Ook Kim's NPI (1285849992) is active in the NPPES registry as of the last update on 2025-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.