Dr. Ted B. Walker, MD
- Medicare services, 2024
- 445
- Medicare patients, 2024
- 305
- Part D claims, 2024
- 1,239
- Publications
- 6
- Hospital affiliations
- 3
- Practice address
- 10010 Kennerly Road, Saint Louis, MO 63128
- Practice phone
- Call (314) 525-1000
- 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
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Dr. Ted B. Walker is a gastroenterologist in Saint Louis, Missouri
Dr. Walker practices at Mercy Hospital South in Saint Louis, Missouri, part of Mercy.
Dr. Walker's NPI, 1467833301, was assigned on June 16, 2015. Dr. Walker graduated from University of Texas Medical School at Houston in 2015. Dr. Walker holds Missouri license 2019033209.
- NPI
- 1467833301NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476867359
- NPI enumeration date
- June 16, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 525-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ted B. Walker practices at Mercy Hospital South in Saint Louis, Missouri
Dr. Walker's primary practice is Mercy Hospital South, at 10010 Kennerly Road, Saint Louis, MO 63128 in St. Louis County. The practice phone is (314) 525-1000.
- Mercy Hospital South10010 Kennerly Road, Saint Louis, MO 63128 · St. Louis CountyPhone(314) 525-1000
Source: Dmand AI Affiliation Data
Dr. Ted B. Walker is affiliated with 4 sites of care and 1 medical group
Dr. Walker's primary practice is Mercy Hospital South in Saint Louis, Missouri, part of Mercy. Dr. Walker is also affiliated with Mercy Hospital Jefferson. The medical group on file is Mercy Clinic Gastroenterology. Dmand AI also links Dr. Walker to 1 more hospital and 1 group practice or clinic, 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. Ted B. Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital South | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Mercy and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ted B. Walker is one of 329 gastroenterologists in Missouri
Gastroenterology is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Walker is licensed in Missouri.
Specialties and state licenses
- Gastroenterology, MissouriPrimary
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. Ted B. Walker billed Medicare for 445 services in 2024
CMS data shows 445 Medicare services from Dr. Walker across 13 procedure codes in 2024, for 305 Medicare patients. Medicare paid $52,346 for them.
Dr. Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2512024: 2395%
- Office and hospital visits
- 2023: 2162024: 18813%
- Other services
- 2023: 212024: 1814%
Where Dr. Walker's Medicare services took place, 2024
- In an office6515%
- In a facility38085%
Dr. Walker compared with the Missouri median for gastroenterologists, 2024
- Dr. Walker
- Missouri median
- Medicare services
- 445vs 4167% above
- Medicare patients
- 305vs 296Close to median
- Part D claims
- 1,093vs 4342.5 times
Medians across 337 gastroenterologists in Missouri 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.
Need commercial claims for Dr. Walker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other gastroenterologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ted B. Walker treated 305 Medicare patients in 2024, average age 74
CMS counts 305 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 123 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 68, with 54% women.
Dr. Walker's Medicare patients by age, 2024
Dr. Walker's Medicare patients by sex, 2024
- Women15751%
- Men14849%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Ischemic heart disease46%
- Chronic kidney disease43%
- Diabetes43%
- Mood disorders39%
- Anxiety36%
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 68
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ted B. Walker wrote 1,239 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 1,239 Medicare Part D claims for 563 patients. 81% of them were for generic drugs. CMS names the drug for 1,093 of them, across 17 drugs with 11 or more claims each, at $127,210 in total drug cost. In 2023, CMS named 888 claims across 15 drugs.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic1,005 claims81%
- Brand-name234 claims19%
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.
Drug classes CMS tracks in Dr. Walker's Part D claims, 2024
- Antibiotics2%19 of 1,239 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8882024: 1,09323%
Drugs named by CMS: 17 in 2024, 15 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. Ted B. Walker ranks in the 77th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 101 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Walker, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Walker ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 77th percentile101 procedures
- Colonoscopy
- 66th percentile57 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. Ted B. Walker has 6 publications on record
Dmand AI links 6 papers to Dr. Walker, published from 2017 to 2023. 2017 was the busiest year, with 2. The most frequent topics are Colonoscopy. Dr. Walker has published most often in Dig Dis Sci. Dr. Walker's most frequent co-authors are Kevin P. Garza, MD, Chandra Prakash Gyawali, MD and Tricia Ann Hengehold, MD.
Dr. Walker's papers by year, 2017 to 2023
Topics Dr. Walker writes about most
- Colonoscopy
Dr. Walker's most frequent co-authors
- Kevin P. Garza, MD2 shared papers
- Chandra Prakash Gyawali, MD2 shared papers
- Tricia Ann Hengehold, MD2 shared papers
Recent publications by Dr. Walker
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. Ted B. Walker received $9,185 in industry payments from 2018 to 2025
CMS Open Payments shows 448 general payments to Dr. Walker from 37 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $1,748.
General payments to Dr. Walker by program year, 2018 to 2025
General payments to Dr. Walker by kind, 2018 to 2025
- Food and beverage$9,06899%
- Education$1171%
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. Ted B. Walker graduated from University of Texas Medical School at Houston
Dr. Walker graduated from University of Texas Medical School at Houston in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ted B. 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. Ted B. 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. Ted B. Walker's NPI number?
Dr. Ted B. Walker's NPI number is 1467833301. It was assigned on June 16, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Ted B. Walker?
Dr. Ted B. Walker is a gastroenterologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Ted B. Walker practice?
Dr. Walker practices at 10010 Kennerly Road, Saint Louis, MO 63128. Dr. Walker's primary practice is Mercy Hospital South in Saint Louis, Missouri, part of Mercy. Dmand AI also links Dr. Walker to 1 hospital and 1 group practice or clinic.
What is Dr. Ted B. Walker's office phone number?
The practice phone on file for Dr. Walker is (314) 525-1000.
What is Dr. Ted B. Walker's medical license number?
Dr. Walker holds Missouri license 2019033209.
Which hospitals is Dr. Ted B. Walker affiliated with?
Dr. Walker practices at Mercy Hospital South in Saint Louis, Missouri. Dr. Walker is also affiliated with Mercy Hospital Jefferson. Dmand AI links Dr. Walker to 1 more hospital.
What medical group is Dr. Ted B. Walker part of?
Dr. Walker is linked to Mercy Clinic Gastroenterology.
Does Dr. Ted B. Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 445 services in 2024, and Dr. Walker accepts Medicare assignment.
How many Medicare patients does Dr. Ted B. Walker see?
CMS counts 305 Medicare patients who saw Dr. Walker in 2024, with an average age of 74.
What services does Dr. Ted B. Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were surgery: digestive system (45385), hospital inpatient care (99223) and surgery: digestive system (43239).
Show 6 more questionsShow fewer questions
Where did Dr. Ted B. Walker go to medical school?
Dr. Walker graduated from University of Texas Medical School at Houston in 2015.
What drugs does Dr. Ted B. Walker prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Pantoprazole Sodium, Gavilyte-G and Gavilyte-C.
Has Dr. Ted B. Walker received payments from drug or device companies?
CMS Open Payments shows $9,185 in general payments to Dr. Walker from 37 companies from 2018 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Ted B. Walker been practicing?
Dr. Walker graduated from medical school in 2015, 11 years ago.
Does Dr. Ted B. Walker do research?
Dmand AI links 6 publications to Dr. Walker, published from 2017 to 2023.
Who does Dr. Ted B. Walker publish with?
Dr. Walker's most frequent co-authors are Kevin P. Garza, MD (2 shared papers), Chandra Prakash Gyawali, MD (2 shared papers) and Tricia Ann Hengehold, MD (2 shared papers).
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