Kristen Lew, M.D
NPI 1841617420 · Internal Medicine Physician · Banning, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristen Lew, M.D is a Internal Medicine Physician provider in Banning, CA (NPI 1841617420).
Provider details
- NPI number
- 1841617420
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- A128750 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
693 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 320 | $139 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 143 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 107 | $99 |
| Administration of Influenza Virus VaccineG0008 | 44 | $35 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 41 | $179 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 198 | 57 |
| Atorvastatin Calcium | 159 | 46 |
| Simvastatin | 148 | 39 |
| Montelukast Sodium | 133 | 43 |
| Amlodipine Besylate | 132 | 49 |
| Triamcinolone Acetonide | 120 | 51 |
| Rosuvastatin Calcium | 105 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$93 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-03-21
- Last updated
- 2023-04-12
- Certified
- 2023-04-12
Frequently asked questions
- What is Kristen Lew's NPI number?
- Kristen Lew's National Provider Identifier (NPI) is 1841617420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristen Lew's specialty?
- Kristen Lew is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kristen Lew located?
- Kristen Lew's practice location on file with NPPES is 6109 W.ramsey Street, Banning, CA 92220.
- What is Kristen Lew's phone number?
- The practice phone number listed in the NPPES registry for Kristen Lew is (951) 845-0313.
- Does Kristen Lew accept Medicare?
- Kristen Lew is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristen Lew's NPI active?
- Yes — Kristen Lew's NPI (1841617420) is active in the NPPES registry as of the last update on 2023-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.