Christopher D. Walker
- Medicare services, 2024
- 207
- Medicare patients, 2024
- 121
- Part D claims, 2024
- 23
- MIPS score, 2024
- 92
- Hospital affiliations
- 2
- Practice address
- 196 -198 North Street, Geneva, NY 14456
- Practice phone
- Call (315) 787-4175
- 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
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Christopher D. Walker is a gastroenterologist in Geneva, New York
Christopher Walker practices at Geneva General Hospital in Geneva, New York, part of University of Rochester Medicine.
Christopher Walker's NPI, 1447786934, was assigned on May 3, 2017. Christopher Walker graduated from Eastern Virginia Medical School in 2017. Christopher Walker holds New York license 304522.
- NPI
- 1447786934NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072866466
- NPI enumeration date
- May 3, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (315) 787-4175
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
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 Geneva General Hospital in Geneva, New York
Christopher Walker's primary practice is Geneva General Hospital, at 196 -198 North Street, Geneva, NY 14456 in Ontario County. The practice phone is (315) 787-4175.
- Geneva General Hospital196 -198 North Street, Geneva, NY 14456 · Ontario CountyPhone(315) 787-4175
Source: Dmand AI Affiliation Data
Christopher D. Walker is affiliated with 2 sites of care and 1 medical group
Christopher Walker's primary practice is Geneva General Hospital in Geneva, New York, part of University of Rochester Medicine. Christopher Walker is also affiliated with Soldiers & Sailors Memorial Hospital. The medical group on file is FLH Medical, P.C.
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, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Geneva General Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Christopher D. Walker is one of 1,583 gastroenterologists in New York
Gastroenterology is Christopher Walker's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Christopher Walker is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Gastroenterologists near Christopher 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
Christopher D. Walker billed Medicare for 207 services in 2024
CMS data shows 207 Medicare services from Christopher Walker across 4 procedure codes in 2024, for 121 Medicare patients. Medicare paid $18,456 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
- Surgery
- 2023: 502024: 155210%
- Other services
- 2023: 172024: 52206%
Christopher Walker compared with the New York median for gastroenterologists, 2024
- Christopher Walker
- New York median
- Medicare services
- 207vs 42151% below
- Medicare patients
- 121vs 23649% below
- Part D claims
- 14vs 38296% below
Medians across 1,551 gastroenterologists in New York 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 121 Medicare patients in 2024, average age 71
CMS counts 121 Medicare patients who saw Christopher Walker in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christopher Walker's median patient age at 62, with 47% women.
Christopher Walker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Christopher Walker's Medicare patients by sex, 2024
- Women5747%
- Men6453%
Chronic conditions among Christopher Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes40%
- Arthritis36%
- Ischemic heart disease31%
- Anxiety21%
- Chronic kidney disease21%
- Atrial fibrillation18%
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 62
Patient panel by sex, all payers
- Women47%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christopher D. Walker wrote 23 Medicare Part D claims in 2024
In 2024, Christopher Walker wrote 23 Medicare Part D claims for 14 patients. 100% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $470 in total drug cost. In 2023, CMS named 63 claims across 3 drugs.
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 632024: 1478%
Drugs named by CMS: 1 in 2024, 3 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
Christopher D. Walker scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Christopher Walker for performance year 2024, reported as part of a group. Christopher Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Christopher Walker as offering telehealth. CMS counts 229 procedures of colonoscopy by Christopher Walker, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Christopher Walker's MIPS scores, performance year 2024
- 92of 100Final score
- 85.4of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Christopher Walker ranks in Medicare procedure volume
- Colonoscopy
- 95th percentile229 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 84th percentile141 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Christopher D. Walker received $43 in industry payments in 2025
CMS Open Payments shows 2 general payments to Christopher Walker from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $23.
Companies that paid Christopher Walker the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Christopher D. Walker graduated from Eastern Virginia Medical School
Christopher Walker graduated from Eastern Virginia Medical School in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
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)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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 Christopher D. Walker
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What is Christopher D. Walker's NPI number?
Christopher D. Walker's NPI number is 1447786934. It was assigned on May 3, 2017, and it is active in the NPI Registry.
What does Christopher D. Walker specialize in?
Christopher D. Walker is a gastroenterologist in Geneva, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Christopher D. Walker practice?
Christopher Walker practices at 196 -198 North Street, Geneva, NY 14456. Christopher Walker's primary practice is Geneva General Hospital in Geneva, New York, part of University of Rochester Medicine.
What is Christopher D. Walker's office phone number?
The practice phone on file for Christopher Walker is (315) 787-4175.
What is Christopher D. Walker's medical license number?
Christopher Walker holds New York license 304522.
Which hospitals is Christopher D. Walker affiliated with?
Christopher Walker practices at Geneva General Hospital in Geneva, New York. Christopher Walker is also affiliated with Soldiers & Sailors Memorial Hospital.
What medical group is Christopher D. Walker part of?
Christopher Walker is linked to FLH Medical, P.C.
Does Christopher D. Walker accept Medicare?
Yes. CMS data shows Christopher Walker billed Medicare for 207 services in 2024, and Christopher Walker accepts Medicare assignment.
Does Christopher D. Walker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Christopher Walker as offering telehealth services.
What is Christopher D. Walker's MIPS score?
Christopher Walker's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Christopher D. Walker see?
CMS counts 121 Medicare patients who saw Christopher Walker in 2024, with an average age of 71.
What services does Christopher D. Walker bill to Medicare?
In 2024, Christopher Walker's most billed Medicare services were surgery: digestive system (45380), surgery: digestive system (45385) and medicare service (G0500).
Where did Christopher D. Walker go to medical school?
Christopher Walker graduated from Eastern Virginia Medical School in 2017.
What drugs does Christopher D. Walker prescribe most?
In 2024 Medicare Part D data, Christopher Walker's most prescribed drugs by claims were Omeprazole.
Has Christopher D. Walker received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Christopher Walker from 2 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Christopher D. Walker been practicing?
Christopher Walker graduated from medical school in 2017, 9 years ago.
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