Christopher D. Walker

  • Geneva, NY
  • Gastroenterologist
NPI1447786934PAC ID3072866466
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Geneva General Hospital

Hospital · Geneva, New York

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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 and contact details
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.

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.

EHR by site
SiteEHR vendor and product
Geneva General HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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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 YorkPrimaryLicense 304522 · taxonomy 207RG0100X

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.

Medicare services, 2024207
Medicare patients121
Paid by Medicare$18,456
Procedure codes4

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.

See all procedures by Christopher Walker

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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.

Medicare patients, 2024121
Average age71
Average risk score0.95
Also on Medicaid21%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes40%
  4. Arthritis36%
  5. Ischemic heart disease31%
  6. Anxiety21%
  7. Chronic kidney disease21%
  8. 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.

Part D claims, 202423
Drugs named by CMS1
Total drug cost$470
Part D patients14

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.

See all prescribing by Christopher Walker

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.

See all payments to Christopher Walker

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.

  1. Medical schoolEastern Virginia Medical School

Source: Dmand AI Professional Profile Data

Sources for Christopher D. Walker's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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 paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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 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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