Dr. Megan Jean Walker, MD
- Medicare services, 2024
- 117
- Medicare patients, 2024
- 103
- Part D claims, 2024
- 434
- Publications
- 4
- Hospital affiliations
- 3
- Practice address
- 1701 N Senate Blvd, Indianapolis, IN 46202
- Practice phone
- Call (317) 962-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Walker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Megan Jean Walker is a gastroenterologist in Indianapolis, Indiana
Dr. Walker practices at IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health.
Dr. Walker's NPI, 1124384326, was assigned on April 2, 2012. Dr. Walker holds Indiana license 01076578A.
- NPI
- 1124384326NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466746573
- NPI enumeration date
- April 2, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (317) 962-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Megan Jean Walker practices at IU Health Methodist Hospital in Indianapolis, Indiana
Dr. Walker's primary practice is IU Health Methodist Hospital, at 1701 N Senate Blvd, Indianapolis, IN 46202 in Marion County. The practice phone is (317) 962-2000.
- IU Health Methodist Hospital1701 N Senate Blvd, Indianapolis, IN 46202 · Marion CountyPhone(317) 962-2000
Source: Dmand AI Affiliation Data
Dr. Megan Jean Walker is affiliated with 6 sites of care and 2 medical groups
Dr. Walker's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dr. Walker is also affiliated with IU Health North Hospital. The medical group on file is IU Health Medical Group. Dmand AI also links Dr. Walker to 1 more hospital, 2 group practices and clinics, 1 behavioral health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Megan Jean Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| IU Health Methodist Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Megan Jean Walker is one of 333 gastroenterologists in Indiana
Gastroenterology is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Walker is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Walker is licensed in Indiana.
Specialties and state licenses
- Gastroenterology, IndianaPrimary
Gastroenterologists near Dr. Walker
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Megan Jean Walker billed Medicare for 117 services in 2024
CMS data shows 117 Medicare services from Dr. Walker across 5 procedure codes in 2024, for 103 Medicare patients. Medicare paid $12,776 for them.
Dr. Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 552024: 6111%
- Surgery
- 2023: 352024: 5660%
Where Dr. Walker's Medicare services took place, 2024
- In an office6152%
- In a facility5648%
Dr. Walker compared with the Indiana median for gastroenterologists, 2024
- Dr. Walker
- Indiana median
- Medicare services
- 117vs 47175% below
- Medicare patients
- 103vs 30967% below
- Part D claims
- 291vs 42231% below
Medians across 330 gastroenterologists in Indiana with Dmand AI profiles that report each measure.
Dr. Walker's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other gastroenterologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Megan Jean Walker treated 103 Medicare patients in 2024, average age 71
CMS counts 103 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 48 patients. 66% of them have high cholesterol, and 62% have high blood pressure. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 49, with 58% women.
Dr. Walker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Walker's Medicare patients by sex, 2024
- Women7270%
- Men3130%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High cholesterol66%
- High blood pressure62%
- Arthritis53%
- Mood disorders34%
- Anxiety32%
- Depression27%
- Ischemic heart disease23%
- Osteoporosis21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Megan Jean Walker wrote 434 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 434 Medicare Part D claims for 137 patients. 71% of them were for generic drugs. CMS names the drug for 291 of them, across 15 drugs with 11 or more claims each, at $518,398 in total drug cost. In 2023, CMS named 268 claims across 13 drugs.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic307 claims71%
- Brand-name and other127 claims29%
Dr. Walker's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2682024: 2919%
Drugs named by CMS: 15 in 2024, 13 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Megan Jean Walker ranks in the 51st percentile for colonoscopy in Medicare
Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Walker as offering telehealth. CMS counts 25 procedures of colonoscopy by Dr. Walker, more than 51% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Walker ranks in Medicare procedure volume
- Colonoscopy
- 51st percentile25 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 50th percentile20 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Megan Jean Walker has 4 publications on record
Dmand AI links 4 papers to Dr. Walker, published from 2019 to 2022. The most frequent topics are Colonoscopy. Dr. Walker's most frequent co-authors are Monika Fischer, MD, Nicholas R. Crews, MD and Nabil F. Fayad, MD.
Dr. Walker's papers by year, 2019 to 2022
Topics Dr. Walker writes about most
- Colonoscopy
Dr. Walker's most frequent co-authors
- Monika Fischer, MD2 shared papers
- Nicholas R. Crews, MD1 shared paper
- Nabil F. Fayad, MD1 shared paper
Recent publications by Dr. Walker
Gastroenterology
J Clin Gastroenterol
See who Dr. Walker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Walker works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Megan Jean Walker received $872 in industry payments from 2018 to 2025
CMS Open Payments shows 27 general payments to Dr. Walker from 9 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 79% of the total. Janssen Pharmaceuticals, Inc paid the most, $526.
General payments to Dr. Walker by program year, 2018 to 2025
General payments to Dr. Walker by kind, 2018 to 2025
- Food and beverage$68879%
- Education$18421%
Companies that paid Dr. Walker the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Megan Jean Walker is board certified in gastroenterology
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Megan Jean Walker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Megan Jean Walker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Megan Jean Walker's NPI number?
Dr. Megan Jean Walker's NPI number is 1124384326. It was assigned on April 2, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Megan Jean Walker?
Dr. Megan Jean Walker is a gastroenterologist in Indianapolis, Indiana. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Megan Jean Walker practice?
Dr. Walker practices at 1701 N Senate Blvd, Indianapolis, IN 46202. Dr. Walker's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dmand AI also links Dr. Walker to 1 hospital, 2 group practices and clinics, 1 behavioral health center and 1 medical group.
What is Dr. Megan Jean Walker's office phone number?
The practice phone on file for Dr. Walker is (317) 962-2000.
What is Dr. Megan Jean Walker's medical license number?
Dr. Walker holds Indiana license 01076578A.
Which hospitals is Dr. Megan Jean Walker affiliated with?
Dr. Walker practices at IU Health Methodist Hospital in Indianapolis, Indiana. Dr. Walker is also affiliated with IU Health North Hospital. Dmand AI links Dr. Walker to 1 more hospital.
What medical group is Dr. Megan Jean Walker part of?
Dr. Walker is linked to IU Health Medical Group. Dmand AI links Dr. Walker to 1 more medical group.
Does Dr. Megan Jean Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 117 services in 2024, and Dr. Walker accepts Medicare assignment.
Does Dr. Megan Jean Walker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Walker as offering telehealth services.
How many Medicare patients does Dr. Megan Jean Walker see?
CMS counts 103 Medicare patients who saw Dr. Walker in 2024, with an average age of 71.
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Is Dr. Megan Jean Walker board certified?
Yes. Dr. Walker is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Megan Jean Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45385) and office visit, established patient (99213).
What drugs does Dr. Megan Jean Walker prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Gavilyte-G, Omeprazole and Famotidine.
Has Dr. Megan Jean Walker received payments from drug or device companies?
CMS Open Payments shows $872 in general payments to Dr. Walker from 9 companies from 2018 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Megan Jean Walker been practicing?
Dr. Walker graduated from medical school in 2012, 14 years ago.
Does Dr. Megan Jean Walker do research?
Dmand AI links 4 publications to Dr. Walker, published from 2019 to 2022.
Who does Dr. Megan Jean Walker publish with?
Dr. Walker's most frequent co-authors are Monika Fischer, MD (2 shared papers), Nicholas R. Crews, MD (1 shared paper) and Nabil F. Fayad, MD (1 shared paper).
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