Christine Lewis, M.D.
NPI 1659361723 · Gastroenterology Physician · Hagerstown, MD
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Lewis, M.D. is a Gastroenterology Physician provider in Hagerstown, MD (NPI 1659361723).
Provider details
- NPI number
- 1659361723
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D54630 (MD)
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
843 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 | 255 | $126 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 95 | $102 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 86 | $151 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 73 | $77 |
| Diagnostic Exam of Large Bowel Using a Flexible Endoscope45378 | 64 | $180 |
| 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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 479 | 134 |
| Famotidine | 323 | 98 |
| Dicyclomine Hcl | 200 | 61 |
| Omeprazole | 135 | 45 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 88 | 87 |
| Esomeprazole Magnesium | 86 | 22 |
| Rabeprazole Sodium | 80 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-28
- Last updated
- 2026-03-10
- Certified
- 2026-03-10
Frequently asked questions
- What is Christine Lewis's NPI number?
- Christine Lewis's National Provider Identifier (NPI) is 1659361723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Lewis's specialty?
- Christine Lewis is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Christine Lewis located?
- Christine Lewis's practice location on file with NPPES is 11110 Medical Campus Rd, Hagerstown, MD 21742-6700.
- What is Christine Lewis's phone number?
- The practice phone number listed in the NPPES registry for Christine Lewis is (301) 665-4585.
- Does Christine Lewis accept Medicare?
- Christine Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Lewis's NPI active?
- Yes — Christine Lewis's NPI (1659361723) is active in the NPPES registry as of the last update on 2026-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.