Jeffrey Lewis, MD
NPI 1356582746 · Gastroenterology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Lewis, MD is a Gastroenterology Physician provider in Los Angeles, CA (NPI 1356582746).
Provider details
- NPI number
- 1356582746
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 256367-1 (NY)
Specialties & taxonomies
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 tenure25% of score
17 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
880 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 | 173 | $138 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 118 | $120 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 115 | $82 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 93 | $181 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 92 | $91 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 238 | 91 |
| Famotidine | 189 | 59 |
| Omeprazole | 129 | 48 |
| Linaclotidebrand: Linzess | 74 | 21 |
| Dicyclomine Hcl | 35 | 22 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 33 | — |
| Metronidazole | 27 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$312 across 17 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
- 2009-03-13
- Last updated
- 2016-02-08
Frequently asked questions
- What is Jeffrey Lewis's NPI number?
- Jeffrey Lewis's National Provider Identifier (NPI) is 1356582746, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Lewis's specialty?
- Jeffrey Lewis is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Lewis located?
- Jeffrey Lewis's practice location on file with NPPES is 100 Ucla Medical Plaza, Los Angeles, CA 90095.
- What is Jeffrey Lewis's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Lewis is (310) 208-5400.
- Does Jeffrey Lewis accept Medicare?
- Jeffrey Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Lewis's NPI active?
- Yes — Jeffrey Lewis's NPI (1356582746) is active in the NPPES registry as of the last update on 2016-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.