Dr. Ryan McGarry Walker, MD
- Medicare services, 2024
- 76
- Medicare patients, 2024
- 59
- Part D claims, 2024
- 27
- Hospital affiliations
- 1
- Industry payments
- $5,790
- Practice address
- 110 West Sixth Street, Oswego, NY 13069
- Practice phone
- Call (315) 349-5511
- 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
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.
Dr. Ryan McGarry Walker is a general surgeon in Oswego, New York
Dr. Walker practices at Oswego Hospital in Oswego, New York, part of Oswego Health.
Dr. Walker's NPI, 1558568170, was assigned on June 28, 2007. Dr. Walker graduated from American University of the Caribbean School of Medicine in 2007. Dr. Walker holds New York license 272867.
- NPI
- 1558568170NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173740909
- NPI enumeration date
- June 28, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (315) 349-5511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan McGarry Walker practices at Oswego Hospital in Oswego, New York
Dr. Walker's primary practice is Oswego Hospital, at 110 West Sixth Street, Oswego, NY 13069 in Oswego County. The practice phone is (315) 349-5511.
- Oswego Hospital110 West Sixth Street, Oswego, NY 13069 · Oswego CountyPhone(315) 349-5511
Source: Dmand AI Affiliation Data
Dr. Ryan McGarry Walker is affiliated with 2 sites of care and 5 medical groups
Dr. Walker's primary practice is Oswego Hospital in Oswego, New York, part of Oswego Health. The medical group on file is Oswego Health Medical Practice. Dmand AI also links Dr. Walker to 4 more medical groups 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. Ryan McGarry Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Oswego Hospital | Available with a free account |
| +1 more site and 4 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 Oswego Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ryan McGarry Walker is one of 1,604 general surgeons in New York
Surgery is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Walker is licensed in New York.
Specialties and state licenses
- Surgery, New YorkPrimary
General surgeons near Dr. Walker
Counts of general surgeons 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. Ryan McGarry Walker billed Medicare for 76 services in 2024
CMS data shows 76 Medicare services from Dr. Walker across 3 procedure codes in 2024, for 59 Medicare patients. Medicare paid $6,256 for them.
Dr. Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6392024: 7688%
Where Dr. Walker's Medicare services took place, 2024
- In an office6282%
- In a facility1418%
Dr. Walker compared with the New York median for general surgeons, 2024
- Dr. Walker
- New York median
- Medicare services
- 76vs 15451% below
- Medicare patients
- 59vs 10946% below
- Part D claims
- 66vs 242.8 times
Medians across 1,502 general surgeons in New York 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 general surgeons in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan McGarry Walker treated 59 Medicare patients in 2024, average age 73
CMS counts 59 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.54, 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 66, with 50% women.
Dr. Walker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Walker's Medicare patients by sex, 2024
- Women3051%
- Men2949%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease42%
- Arthritis41%
- Chronic kidney disease41%
- Heart failure39%
- Anxiety34%
- Tobacco use34%
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 66
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan McGarry Walker wrote 27 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 27 Medicare Part D claims for 21 patients. 96% of them were for generic drugs. They cover 3 drugs, with $1,385 in total drug cost. In 2020, CMS named 12 claims across 1 drug.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic26 claims96%
- Brand-name and other1 claims4%
Dr. Walker's most prescribed drugs by claims, 2023
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
- Antibiotics59%16 of 27 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, 2020 to 2023
- 2020
- 2023
- Claims for drugs CMS names
- 2020: 122023: 66450%
Drugs named by CMS: 3 in 2023, 1 in 2020.
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 Dr. Ryan McGarry Walker takes part in Medicare
Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 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.
Dr. Ryan McGarry Walker received $5,790 in industry payments from 2016 to 2025
CMS Open Payments shows 32 general payments to Dr. Walker from 10 drug and device companies from 2016 to 2025. Education make up the largest share, 63% of the total. Intuitive Surgical, Inc. paid the most, $5,291.
General payments to Dr. Walker by program year, 2016 to 2025
General payments to Dr. Walker by kind, 2016 to 2025
- Education$3,63863%
- Food and beverage$1,32923%
- Travel and lodging$80914%
- Gifts$150%
Companies that paid Dr. Walker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan McGarry Walker graduated from American University of the Caribbean School of Medicine
Dr. Walker graduated from American University of the Caribbean School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryan McGarry 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) |
| 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. Ryan McGarry 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. Ryan McGarry Walker's NPI number?
Dr. Ryan McGarry Walker's NPI number is 1558568170. It was assigned on June 28, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan McGarry Walker?
Dr. Ryan McGarry Walker is a general surgeon in Oswego, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Ryan McGarry Walker practice?
Dr. Walker practices at 110 West Sixth Street, Oswego, NY 13069. Dr. Walker's primary practice is Oswego Hospital in Oswego, New York, part of Oswego Health. Dmand AI also links Dr. Walker to 4 medical groups and 1 group practice or clinic.
What is Dr. Ryan McGarry Walker's office phone number?
The practice phone on file for Dr. Walker is (315) 349-5511.
What is Dr. Ryan McGarry Walker's medical license number?
Dr. Walker holds New York license 272867.
Which hospitals is Dr. Ryan McGarry Walker affiliated with?
Dr. Walker practices at Oswego Hospital in Oswego, New York.
What medical group is Dr. Ryan McGarry Walker part of?
Dr. Walker is linked to Oswego Health Medical Practice. Dmand AI links Dr. Walker to 4 more medical groups.
Does Dr. Ryan McGarry Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 76 services in 2024, and Dr. Walker accepts Medicare assignment.
How many Medicare patients does Dr. Ryan McGarry Walker see?
CMS counts 59 Medicare patients who saw Dr. Walker in 2024, with an average age of 73.
What services does Dr. Ryan McGarry Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and hospital inpatient care (99222).
Show 4 more questionsShow fewer questions
Where did Dr. Ryan McGarry Walker go to medical school?
Dr. Walker graduated from American University of the Caribbean School of Medicine in 2007.
What drugs does Dr. Ryan McGarry Walker prescribe most?
In 2023 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Albuterol Sulfate Hfa, Amoxicillin and Amoxicillin-Clavulanate Potass.
Has Dr. Ryan McGarry Walker received payments from drug or device companies?
CMS Open Payments shows $5,790 in general payments to Dr. Walker from 10 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Ryan McGarry Walker been practicing?
Dr. Walker graduated from medical school in 2007, 19 years ago.
Selling to surgery practices?
See general surgeons in New York 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