Christopher D. Walker
- Medicare services, 2024
- 1,468
- Medicare patients, 2024
- 513
- Part D claims, 2024
- 1,058
- Hospital affiliations
- 5
- Industry payments
- $1,266
- Practice address
- 503 N Maple Street, Effingham, IL 62401
- Practice phone
- Call (217) 342-2121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Christopher 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.
Christopher D. Walker is a hospitalist in Effingham, Illinois
Christopher Walker practices at HSHS St. Anthony's Memorial Hospital in Effingham, Illinois, part of Hospital Sisters of St. Francis.
Christopher Walker's NPI, 1962881417, was assigned on May 29, 2015. Christopher Walker holds Indiana license 01079672A.
- NPI
- 1962881417NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678884087
- NPI enumeration date
- May 29, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (217) 342-2121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Christopher D. Walker practices at HSHS St. Anthony's Memorial Hospital in Effingham, Illinois
Christopher Walker's primary practice is HSHS St. Anthony's Memorial Hospital, at 503 N Maple Street, Effingham, IL 62401 in Effingham County. The practice phone is (217) 342-2121.
- HSHS St. Anthony's Memorial Hospital503 N Maple Street, Effingham, IL 62401 · Effingham CountyPhone(217) 342-2121
Source: Dmand AI Affiliation Data
Christopher D. Walker is affiliated with 11 sites of care and 7 medical groups
Christopher Walker's primary practice is HSHS St. Anthony's Memorial Hospital in Effingham, Illinois, part of Hospital Sisters of St. Francis. Christopher Walker is also affiliated with Union Hospital. The medical group on file is Vituity (formerly CEP America). Dmand AI also links Christopher Walker to 3 more hospitals, 6 medical groups, 5 group practices and clinics and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christopher D. Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Walker practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HSHS St. Anthony's Memorial Hospital | Available with a free account |
| +10 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Hospital Sisters of St. Francis and 6.2K+ hospitals, with verified contacts in the same login.
Christopher D. Walker is one of 1,321 hospitalists in Illinois
Hospitalist is Christopher Walker's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dmand AI has Christopher Walker's licenses on file in 2 states: Indiana and Illinois.
Specialties and state licenses
- Hospitalist, IndianaPrimary
- Illinois license
Hospitalists near Christopher Walker
Counts of hospitalists 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
Christopher D. Walker billed Medicare for 1,468 services in 2024
CMS data shows 1,468 Medicare services from Christopher Walker across 6 procedure codes in 2024, for 513 Medicare patients. Medicare paid $137,204 for them. Every service was in a facility, such as a hospital, rather than an office.
Christopher Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,8332024: 1,46820%
Christopher Walker compared with the Illinois median for hospitalists, 2024
- Christopher Walker
- Illinois median
- Medicare services
- 1,468vs 5432.7 times
- Medicare patients
- 513vs 2422.1 times
- Part D claims
- 766vs 5314.5 times
Medians across 1,248 hospitalists in Illinois with Dmand AI profiles that report each measure.
Christopher 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Christopher D. Walker treated 513 Medicare patients in 2024, average age 75
CMS counts 513 Medicare patients who saw Christopher Walker in 2024. The largest group is 75 to 84, with 192 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Christopher Walker's median patient age at 74, with 57% women.
Christopher Walker's Medicare patients by age, 2024
Christopher Walker's Medicare patients by sex, 2024
- Women27053%
- Men24347%
Chronic conditions among Christopher Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease61%
- Arthritis57%
- Heart failure56%
- Chronic kidney disease55%
- Diabetes50%
- COPD48%
Share of Medicare patients with each condition. A patient can have several.
Christopher 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 74
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christopher D. Walker wrote 1,058 Medicare Part D claims in 2024
In 2024, Christopher Walker wrote 1,058 Medicare Part D claims for 303 patients. 91% of them were for generic drugs. CMS names the drug for 766 of them, across 32 drugs with 11 or more claims each, at $31,020 in total drug cost. In 2023, CMS named 820 claims across 27 drugs.
Christopher Walker's Part D claims by kind of drug, 2024
- Generic960 claims91%
- Brand-name and other98 claims9%
Christopher 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 Christopher Walker's Part D claims, 2024
- Opioids6%65 of 1,058 claims
- Antibiotics17%178 of 1,058 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: 8202024: 7667%
Drugs named by CMS: 32 in 2024, 27 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
How Christopher D. Walker takes part in Medicare
Christopher Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Christopher D. Walker received $1,266 in industry payments from 2016 to 2024
CMS Open Payments shows 54 general payments to Christopher Walker from 19 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 96% of the total. Janssen Pharmaceuticals, Inc paid the most, $324.
General payments to Christopher Walker by program year, 2016 to 2024
General payments to Christopher Walker by kind, 2016 to 2024
- Food and beverage$1,21496%
- Education$524%
Companies that paid Christopher Walker the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Christopher D. 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Christopher D. 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 Christopher D. Walker's NPI number?
Christopher D. Walker's NPI number is 1962881417. It was assigned on May 29, 2015, and it is active in the NPI Registry.
What does Christopher D. Walker specialize in?
Christopher D. Walker is a hospitalist in Effingham, Illinois. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Christopher D. Walker practice?
Christopher Walker practices at 503 N Maple Street, Effingham, IL 62401. Christopher Walker's primary practice is HSHS St. Anthony's Memorial Hospital in Effingham, Illinois, part of Hospital Sisters of St. Francis. Dmand AI also links Christopher Walker to 3 hospitals, 6 medical groups, 5 group practices and clinics and 1 home health agency.
What is Christopher D. Walker's office phone number?
The practice phone on file for Christopher Walker is (217) 342-2121.
What is Christopher D. Walker's medical license number?
Christopher Walker holds Indiana license 01079672A, one of the licenses on file in 2 states.
Which states has Christopher D. Walker been licensed in?
Dmand AI has state licenses on file for Christopher Walker in Indiana and Illinois.
Which hospitals is Christopher D. Walker affiliated with?
Christopher Walker practices at HSHS St. Anthony's Memorial Hospital in Effingham, Illinois. Christopher Walker is also affiliated with Union Hospital. Dmand AI links Christopher Walker to 3 more hospitals.
What medical group is Christopher D. Walker part of?
Christopher Walker is linked to Vituity (formerly CEP America). Dmand AI links Christopher Walker to 6 more medical groups.
Does Christopher D. Walker accept Medicare?
Yes. CMS data shows Christopher Walker billed Medicare for 1,468 services in 2024, and Christopher Walker accepts Medicare assignment.
How many Medicare patients does Christopher D. Walker see?
CMS counts 513 Medicare patients who saw Christopher Walker in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Christopher D. Walker bill to Medicare?
In 2024, Christopher Walker's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).
What drugs does Christopher D. Walker prescribe most?
In 2024 Medicare Part D data, Christopher Walker's most prescribed drugs by claims were Pantoprazole Sodium, Cefdinir and Furosemide.
Has Christopher D. Walker received payments from drug or device companies?
CMS Open Payments shows $1,266 in general payments to Christopher Walker from 19 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Christopher D. Walker been practicing?
Christopher Walker graduated from medical school in 2014, 12 years ago.
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