Charles W. Walker
- Medicare services, 2024
- 422
- Medicare patients, 2024
- 245
- Part D claims, 2018
- 28
- Hospital affiliations
- 5
- Industry payments
- $75
- Practice address
- 100 North Academy Avenue, Danville, PA 17822
- Practice phone
- Call (570) 271-6211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Charles 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.
Charles W. Walker is a surgical critical care physician in Danville, Pennsylvania
Charles Walker practices at Geisinger Medical Center in Danville, Pennsylvania, part of Risant Health.
Charles Walker's NPI, 1184042541, was assigned on April 2, 2014. Charles Walker holds Pennsylvania license MD471917.
- NPI
- 1184042541NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759685282
- NPI enumeration date
- April 2, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (570) 271-6211
- 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)
Charles W. Walker practices at Geisinger Medical Center in Danville, Pennsylvania
Charles Walker's primary practice is Geisinger Medical Center, at 100 North Academy Avenue, Danville, PA 17822 in Montour County. The practice phone is (570) 271-6211.
- Geisinger Medical Center100 North Academy Avenue, Danville, PA 17822 · Montour CountyPhone(570) 271-6211
Source: Dmand AI Affiliation Data
Charles W. Walker is affiliated with 5 sites of care and 2 medical groups
Charles Walker's primary practice is Geisinger Medical Center in Danville, Pennsylvania, part of Risant Health. Charles Walker is also affiliated with Geisinger Lewistown Hospital. The medical group on file is Geisinger. Dmand AI also links Charles Walker to 3 more hospitals 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 Charles W. Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Charles Walker practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Geisinger Medical Center | Available with a free account |
| +4 more sites and 1 medical group | 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 Risant Health and 6.2K+ hospitals, with verified contacts in the same login.
Charles W. Walker is one of 119 surgical critical care physicians in Pennsylvania
Surgical critical care is Charles Walker's primary specialty in the NPI Registry, under taxonomy code 2086S0102X. Charles Walker is licensed in Pennsylvania.
Specialties and state licenses
- Surgical critical care, PennsylvaniaPrimary
Surgical critical care physicians near Charles Walker
Counts of surgical critical care physicians 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
Charles W. Walker billed Medicare for 422 services in 2024
CMS data shows 422 Medicare services from Charles Walker across 4 procedure codes in 2024, for 245 Medicare patients. Medicare paid $41,691 for them. Every service was in a facility, such as a hospital, rather than an office.
Charles Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5082024: 42217%
Charles Walker compared with the Pennsylvania median for surgical critical care physicians, 2024
- Charles Walker
- Pennsylvania median
- Medicare services
- 422vs 25168% above
- Medicare patients
- 245vs 19128% above
- Part D claims
- 28vs 1765% above
Medians across 123 surgical critical care physicians in Pennsylvania with Dmand AI profiles that report each measure.
Charles 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 Charles Walker?
Medicare shows one payer. Book a meeting to get commercial claims data for Charles Walker and other surgical critical care physicians in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Charles W. Walker treated 245 Medicare patients in 2024, average age 75
CMS counts 245 Medicare patients who saw Charles Walker in 2024. The largest group is 75 to 84, with 85 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.92, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Charles Walker's median patient age at 76, with 54% women.
Charles Walker's Medicare patients by age, 2024
Charles Walker's Medicare patients by sex, 2024
- Women13053%
- Men11547%
Chronic conditions among Charles Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Anxiety47%
- Mood disorders46%
- Depression43%
- Chronic kidney disease41%
- Ischemic heart disease41%
Share of Medicare patients with each condition. A patient can have several.
Charles 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 76
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Charles W. Walker wrote 28 Medicare Part D claims in 2018
In 2018, Charles Walker wrote 28 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $208 in total drug cost. In 2017, CMS named 23 claims across 1 drug.
Charles Walker's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 232018: 2822%
Drugs named by CMS: 2 in 2018, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Charles W. Walker takes part in Medicare
Charles Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Charles W. Walker received $75 in industry payments from 2017 to 2024
CMS Open Payments shows 2 general payments to Charles Walker from 2 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. CLR Medical, Inc. paid the most, $55.
General payments to Charles Walker by program year, 2017 to 2024
Companies that paid Charles Walker the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Charles W. 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) |
| 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) |
| 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 Charles W. 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 Charles W. Walker's NPI number?
Charles W. Walker's NPI number is 1184042541. It was assigned on April 2, 2014, and it is active in the NPI Registry.
What does Charles W. Walker specialize in?
Charles W. Walker is a surgical critical care physician in Danville, Pennsylvania. The primary specialty in the NPI Registry is Surgical Critical Care Physician (taxonomy code 2086S0102X).
Where does Charles W. Walker practice?
Charles Walker practices at 100 North Academy Avenue, Danville, PA 17822. Charles Walker's primary practice is Geisinger Medical Center in Danville, Pennsylvania, part of Risant Health. Dmand AI also links Charles Walker to 3 hospitals and 1 medical group.
What is Charles W. Walker's office phone number?
The practice phone on file for Charles Walker is (570) 271-6211.
What is Charles W. Walker's medical license number?
Charles Walker holds Pennsylvania license MD471917.
Which hospitals is Charles W. Walker affiliated with?
Charles Walker practices at Geisinger Medical Center in Danville, Pennsylvania. Charles Walker is also affiliated with Geisinger Lewistown Hospital. Dmand AI links Charles Walker to 3 more hospitals.
What medical group is Charles W. Walker part of?
Charles Walker is linked to Geisinger. Dmand AI links Charles Walker to 1 more medical group.
Does Charles W. Walker accept Medicare?
Yes. CMS data shows Charles Walker billed Medicare for 422 services in 2024, and Charles Walker accepts Medicare assignment.
How many Medicare patients does Charles W. Walker see?
CMS counts 245 Medicare patients who saw Charles Walker in 2024, with an average age of 75.
What services does Charles W. Walker bill to Medicare?
In 2024, Charles Walker's most billed Medicare services were hospital inpatient care (99232), critical care (99291) and hospital inpatient care (99222).
Show 3 more questionsShow fewer questions
What drugs does Charles W. Walker prescribe most?
In 2018 Medicare Part D data, Charles Walker's most prescribed drugs by claims were Oxycodone HCl and Omeprazole.
Has Charles W. Walker received payments from drug or device companies?
CMS Open Payments shows $75 in general payments to Charles Walker from 2 companies from 2017 to 2024. The largest total came from CLR Medical, Inc.
How long has Charles W. Walker been practicing?
Charles Walker graduated from medical school in 2014, 12 years ago.
Selling to surgical critical care practices?
See surgical critical care physicians in Pennsylvania by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card