Physician Profile
Rafael Walker -Santiago, M.D.
Unclaimed ProfileAbout Dr. Walker -Santiago
Rafael Walker -Santiago, M.D. practices orthopedic surgery in Grafton, WI. Rafael is a 2011 graduate of University of Puerto Rico School of Medicine. Rafael is also listed as specializing in orthopaedic adult reconstructive surgery and orthopaedic surgery. According to Medicare claims data, Rafael cared for 326 Medicare patients across 530 services. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1366736928.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (262) 329-1000
- Email not available
Practice Locations
975 PORT WASHINGTON RD
Grafton, WI 53024
Rcm Edif Principal Ofic 965 Centro Medico de Puerto Rico
San Juan, PR 00935
1 Hospital Drive
Columbia, MO 65212
Conditions Commonly Evaluated or Treated
Within Orthopedic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
530 services · 326 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
41 | Less often than most peers in Orthopedic Surgery |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
20 | Less often than most peers in Orthopedic Surgery |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
200 | Less often than most peers in Orthopedic Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
138 | As often as other peers in Orthopedic Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
57 | As often as other peers in Orthopedic Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
53 | Less often than most peers in Orthopedic Surgery |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
21 | As often as other peers in Orthopedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopedic surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other orthopedic surgeons in Grafton 6
Same specialty, same city.
Trained at University of Puerto Rico School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at University of Puerto Rico School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in WI who bill this service to Medicare most often.
Common questions
What is Rafael Walker -Santiago's specialty?
Rafael Walker -Santiago is an orthopedic surgeon in Grafton, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
Where can I find Rafael Walker -Santiago?
Rafael Walker -Santiago is listed at 975 Port Washington Rd, Grafton, WI 53024. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Rafael Walker -Santiago?
The number on file is (262) 329-1000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Rafael Walker -Santiago's NPI number?
Rafael Walker -Santiago's National Provider Identifier is 1366736928. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Rafael Walker -Santiago's education?
Rafael Walker -Santiago attended University of Puerto Rico School of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Rafael Walker -Santiago been practicing?
Rafael Walker -Santiago has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Rafael Walker -Santiago known for?
According to Medicare billing data, Rafael Walker -Santiago performs procedures including aspiration and/or injection of fluid from large joint and replacement of thigh bone and hip joint with prosthesis, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Rafael Walker -Santiago confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Rafael Walker -Santiago. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.