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Edit this profileAt a glance
- 5841 S Maryland Ave, Chicago, IL 60637
About Rex Haydon
Based in Chicago, IL, Rex Haydon is listed in the NPI registry under orthopedic surgery. Rex graduated from University of Chicago, Pritzker School of Medicine in 1996. Rex is also listed as specializing in orthopaedic surgery. Medicare claims data shows Rex provided 155 services to 111 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1881759611 identifies this record in the national registry.
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
- (888) 824-0200
- Email not available
Practice Locations
5841 S MARYLAND AVE
Chicago, IL 60637
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
155 services · 111 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
71 | Less often than most peers in Orthopedic Surgery |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
63 | More 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 |
21 | Less often than most 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 1
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 — 22 related providers in 3 groups
Other orthopedic surgeons in Chicago 7
Same specialty, same city.
Trained at University of Chicago, Pritzker School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1996 at University of Chicago, Pritzker School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Rex Haydon?
Rex Haydon is an orthopedic surgeon in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
What is Rex Haydon's address?
Rex Haydon is listed at 5841 S Maryland Ave, Chicago, IL 60637. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Rex Haydon?
The number on file is (888) 824-0200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Rex Haydon?
Rex Haydon's National Provider Identifier is 1881759611. 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
Where did Rex Haydon train?
Rex Haydon attended University of Chicago, Pritzker School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Rex Haydon have?
Rex Haydon has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What procedures does Rex Haydon perform?
According to Medicare billing data, Rex Haydon the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Rex Haydon's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Rex Haydon. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.