Megan Walker, M.D.
NPI 1124384326 · Gastroenterology Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Megan Walker, M.D. is a Gastroenterology Physician provider in Indianapolis, IN (NPI 1124384326).
Provider details
- NPI number
- 1124384326
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 01076578A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
117 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 | 33 | $119 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 32 | $224 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $84 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 12 | $99 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 12 | $112 |
Typical Medicare-allowed amounts for these services range $84–$224 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 39 | 38 |
| Omeprazole | 37 | 12 |
| Famotidine | 27 | — |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 21 | 21 |
| Colestipol Hcl | 21 | — |
| Upadacitinibbrand: Rinvoq | 21 | — |
| Pantoprazole Sodium | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$401 across 14 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
Additional practice locations (2)
- 10300 N Illinois St Ste 1100Carmel, IN 46290-1167Phone: (317) 944-0980
- 1701 N Senate BlvdIndianapolis, IN 46202-1239Phone: (888) 484-3258
Registry dates
- Enumerated
- 2012-04-02
- Last updated
- 2025-03-14
- Certified
- 2025-03-14
Frequently asked questions
- What is Megan Walker's NPI number?
- Megan Walker's National Provider Identifier (NPI) is 1124384326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Walker's specialty?
- Megan Walker is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Megan Walker located?
- Megan Walker's practice location on file with NPPES is 550 University Blvd Ste 1710, Indianapolis, IN 46202-5149.
- What is Megan Walker's phone number?
- The practice phone number listed in the NPPES registry for Megan Walker is (317) 944-0980.
- Does Megan Walker accept Medicare?
- Megan Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Megan Walker's NPI active?
- Yes — Megan Walker's NPI (1124384326) is active in the NPPES registry as of the last update on 2025-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.