Robert Stephen Walker, MD
Orthopaedic Hand Surgery Physician · Scottsdale, AZ
Robert Stephen Walker, MD is an orthopaedic hand surgery physician with a practice address in Scottsdale, Arizona, and NPI 1639531908, issued on Mar 24, 2016. Check the license (Arizona 65804, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Stephen Walker
- Credential
- MD
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License number
- 65804 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 7960 E Thompson Peak Pkwy, Scottsdale, AZ 85255
- Phone
- (877) 821-4657
- Enumerated
- Mar 24, 2016
- Record last updated
- Nov 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20220824003090); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine - Phoenix, 2021
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 66 in Arizona → Look up another NPI →
Also registered at 7960 E Thompson Peak Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Dorworth, DPTPhysical Therapist1417213968
- John Feagler, M.D.Specialist1972635845
- Christopher Lybarger, PTPhysical Therapist1093963621
- Jana Seibold, PTPhysical Therapist1114023983
Verify Robert Stephen Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 65804Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average orthopaedic hand surgery physician in 2024
46 Medicare Part D claims for 36 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,983.66
38 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 1,819 providers of this specialty with any payment received $5,529.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Desert Orthopedics Center PLLCScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Stephen Walker among 66 orthopaedic hand surgery physician records in Arizona
Robert Stephen Walker, MD is one of 66 orthopaedic hand surgery physician records with a practice address in Arizona. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 92% of them.
- NPI issued2016 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2021 · median 2002 among the 50 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0106X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Hand Surgery Physician providers in Arizona
There are 66 orthopaedic hand surgery physician records in Arizona.
All 66 in Arizona → Every provider in Scottsdale → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- Atef Mohty, MDScottsdale, AZ 852581497863179
- Donald Sheridan, M.D.Scottsdale, AZ 852581154379642
- David Thull, MDScottsdale, AZ 852581437238078
- Thomas Acott, MDGilbert, AZ 852341760826853
- Marc Dinowitz, M.D.Gilbert, AZ 852341689613275
- Michael Montague, MDGilbert, AZ 852341174886790
- Ryan Richards, MDGilbert, AZ 852341427149178
- Karston Carr, D.O.Chandler, AZ 852261144486937
Common questions
What is Robert Stephen Walker, MD's NPI number?
Robert Stephen Walker, MD's National Provider Identifier (NPI) is 1639531908, issued on Mar 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Robert Stephen Walker, MD located?
The NPPES record lists a practice address at 7960 E Thompson Peak Pkwy, Scottsdale, AZ, 85255. Phone: (877) 821-4657. Providers update this record themselves, so call before visiting.
How can I verify Robert Stephen Walker, MD's license?
NPPES lists Arizona license number 65804, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Stephen Walker, MD prescribe under Medicare Part D?
In 2024, Robert Stephen Walker, MD had 46 Medicare Part D claims for 36 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.