Dr. Walker A. Wynkoop, MD
- Medicare services, 2024
- 256
- Medicare patients, 2024
- 128
- Part D claims, 2024
- 53
- Hospital affiliations
- 2
- Industry payments
- $210
- Practice address
- 2825 Capitol Avenue, Sacramento, CA 95816
- Practice phone
- Call (916) 454-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wynkoop'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. Walker A. Wynkoop is an orthopedic surgeon in Sacramento, California
Dr. Wynkoop practices at Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health.
Dr. Wynkoop's NPI, 1760580427, was assigned on September 20, 2006. Dr. Wynkoop graduated from Loyola University Chicago Stritch School of Medicine in 1985. Dr. Wynkoop's California license number on file is 87898.
- NPI
- 1760580427NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355231424
- NPI enumeration date
- September 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 454-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Walker A. Wynkoop practices at Sutter Medical Center, Sacramento in Sacramento, California
Dr. Wynkoop's primary practice is Sutter Medical Center, Sacramento, at 2825 Capitol Avenue, Sacramento, CA 95816 in Sacramento County. The practice phone is (916) 454-2222.
- Sutter Medical Center, Sacramento2825 Capitol Avenue, Sacramento, CA 95816 · Sacramento CountyPhone(916) 454-2222
Source: Dmand AI Affiliation Data
Dr. Walker A. Wynkoop is affiliated with 4 sites of care and 4 medical groups
Dr. Wynkoop's primary practice is Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health. Dr. Wynkoop is also affiliated with Memorial Hospital Los Banos. The medical group on file is Acute Care Surgery Medical Group. Dmand AI also links Dr. Wynkoop to 3 more medical groups and 2 group practices and clinics, 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. Walker A. Wynkoop's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wynkoop practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Medical Center, Sacramento | Available with a free account |
| +3 more sites and 3 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 Sutter Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Walker A. Wynkoop is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Wynkoop's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Wynkoop is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Wynkoop's licenses on file in 15 states: California, Iowa, Washington, Oregon, Kansas, North Carolina, North Dakota, Nebraska, Michigan, Missouri, Tennessee, Illinois, Pennsylvania, New Mexico and Alabama.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Iowa license
- Washington license
- Oregon license
- Kansas license
- North Carolina license
- North Dakota license
- Nebraska license
- Michigan license
- Missouri license
- Tennessee license
- Illinois license
- Pennsylvania license
- New Mexico license
- Alabama license
Clinical focus
Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, bursitis, carpal tunnel syndrome, hand joint or tendon inflammation, hip replacement, joint arthropathy and joint pain among the conditions Dr. Wynkoop treats.
Orthopedic surgeons near Dr. Wynkoop
Counts of orthopedic 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. Walker A. Wynkoop billed Medicare for 256 services in 2024
CMS data shows 256 Medicare services from Dr. Wynkoop across 7 procedure codes in 2024, for 128 Medicare patients. Medicare paid $12,637 for them.
Dr. Wynkoop's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2232024: 13938%
- Drugs given in the office
- 2023: 2192024: 9457%
- Surgery
- 2023: 372024: 2338%
Where Dr. Wynkoop's Medicare services took place, 2024
- In an office23190%
- In a facility2510%
Dr. Wynkoop compared with the California median for orthopedic surgeons, 2024
- Dr. Wynkoop
- California median
- Medicare services
- 256vs 68363% below
- Medicare patients
- 128vs 21540% below
- Part D claims
- 38vs 7046% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Wynkoop'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. Wynkoop?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wynkoop and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Walker A. Wynkoop treated 128 Medicare patients in 2024, average age 74
CMS counts 128 Medicare patients who saw Dr. Wynkoop in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wynkoop's median patient age at 55, with 59% women.
Dr. Wynkoop's Medicare patients by age, 2024
Dr. Wynkoop's Medicare patients by sex, 2024
- Women8466%
- Men4434%
Chronic conditions among Dr. Wynkoop's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Diabetes48%
- Anxiety34%
- Ischemic heart disease27%
- Mood disorders27%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wynkoop's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Walker A. Wynkoop wrote 53 Medicare Part D claims in 2024
In 2024, Dr. Wynkoop wrote 53 Medicare Part D claims for 30 patients. 100% of them were for generic drugs. CMS names the drug for 38 of them, across 2 drugs with 11 or more claims each, at $251 in total drug cost. In 2023, CMS named 53 claims across 2 drugs.
Dr. Wynkoop'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 Dr. Wynkoop's Part D claims, 2024
- Opioids26%14 of 53 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: 532024: 3828%
Drugs named by CMS: 2 in 2024, 2 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 Dr. Walker A. Wynkoop takes part in Medicare
Dr. Wynkoop accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Lower limb (leg) arthroscopy (minimally invasive joint repair): 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)
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Dr. Walker A. Wynkoop received $210 in industry payments from 2016 to 2023
CMS Open Payments shows 2 general payments to Dr. Wynkoop from 2 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Skeletal Dynamics LLC paid the most, $109.
General payments to Dr. Wynkoop by program year, 2016 to 2023
Companies that paid Dr. Wynkoop the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Walker A. Wynkoop has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Wynkoop, most recently Test 1 in 2019.
Awards and honors for Dr. Wynkoop
- 2019
- Test 1
- 1991
- "Best Paper" and Winner of the Lacey Dow-Corning Endowment for: "The HIV Needle Stick: Should Emergent Management Include Incision and Debridement?"
Source: Dmand AI Professional Profile Data
Dr. Walker A. Wynkoop graduated from Loyola University Chicago Stritch School of Medicine
Dr. Wynkoop graduated from Loyola University Chicago Stritch School of Medicine in 1985.
- Medical school
- Board certified in orthopaedic surgery
- Board certified in provisional instructor crucial conversations
Source: Dmand AI Professional Profile Data
Dr. Walker A. Wynkoop accepts plans from 14 insurance carriers
Dr. Wynkoop is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Wynkoop accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Walker A. Wynkoop'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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Walker A. Wynkoop
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. Walker A. Wynkoop's NPI number?
Dr. Walker A. Wynkoop's NPI number is 1760580427. It was assigned on September 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Walker A. Wynkoop?
Dr. Walker A. Wynkoop is an orthopedic surgeon in Sacramento, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Walker A. Wynkoop practice?
Dr. Wynkoop practices at 2825 Capitol Avenue, Sacramento, CA 95816. Dr. Wynkoop's primary practice is Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health. Dmand AI also links Dr. Wynkoop to 3 medical groups and 2 group practices and clinics.
What is Dr. Walker A. Wynkoop's office phone number?
The practice phone on file for Dr. Wynkoop is (916) 454-2222.
What is Dr. Walker A. Wynkoop's medical license number?
Dr. Wynkoop's California license number on file is 87898, one of the licenses on file in 15 states.
Which states has Dr. Walker A. Wynkoop been licensed in?
Dmand AI has state licenses on file for Dr. Wynkoop in California (2006 to 2025), Iowa (since 1994), Washington (2009 to 2026), Oregon (2019 to 2025), Kansas (1992 to 2022), North Carolina (2018 to 2022), North Dakota (2006 to 2022), Nebraska (2018 to 2021), Michigan (1986 to 2015), Missouri (1995 to 2014), Tennessee (1986 to 2009), Illinois (1986 to 2008), Pennsylvania (1997 to 2006), New Mexico (1988 to 1992) and Alabama (1986).
Which hospitals is Dr. Walker A. Wynkoop affiliated with?
Dr. Wynkoop practices at Sutter Medical Center, Sacramento in Sacramento, California. Dr. Wynkoop is also affiliated with Memorial Hospital Los Banos.
What medical group is Dr. Walker A. Wynkoop part of?
Dr. Wynkoop is linked to Acute Care Surgery Medical Group. Dmand AI links Dr. Wynkoop to 3 more medical groups.
Does Dr. Walker A. Wynkoop accept Medicare?
Yes. CMS data shows Dr. Wynkoop billed Medicare for 256 services in 2024, and Dr. Wynkoop accepts Medicare assignment.
How many Medicare patients does Dr. Walker A. Wynkoop see?
CMS counts 128 Medicare patients who saw Dr. Wynkoop in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
Is Dr. Walker A. Wynkoop board certified?
Yes. Dr. Wynkoop is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Walker A. Wynkoop bill to Medicare?
In 2024, Dr. Wynkoop's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and office visit, new patient (99203).
Where did Dr. Walker A. Wynkoop go to medical school?
Dr. Wynkoop graduated from Loyola University Chicago Stritch School of Medicine in 1985.
What drugs does Dr. Walker A. Wynkoop prescribe most?
In 2024 Medicare Part D data, Dr. Wynkoop's most prescribed drugs by claims were Ibuprofen and Hydrocodone-Acetaminophen.
Has Dr. Walker A. Wynkoop received payments from drug or device companies?
CMS Open Payments shows $210 in general payments to Dr. Wynkoop from 2 companies from 2016 to 2023. The largest total came from Skeletal Dynamics LLC.
How long has Dr. Walker A. Wynkoop been practicing?
Dr. Wynkoop graduated from medical school in 1985, 41 years ago.
What insurance does Dr. Walker A. Wynkoop accept?
Dr. Wynkoop is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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