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- 2650 Ridge Ave # 1155, Northshore University Health System, Evanston, IL 60201
About Dr. Yao
Based in Evanston, IL, Katharine A. Yao, MD is listed in the NPI registry under surgery of the hand. Katharine is also listed as specializing in surgery. According to Medicare claims data, Katharine cared for 521 Medicare patients across 556 services. 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, new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, and partial removal of breast. NPI 1184698060 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
- (847) 570-1700
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
2650 RIDGE AVE # 1155 NORTHSHORE UNIVERSITY HEALTH SYSTEM
Evanston, IL 60201
Conditions Commonly Evaluated or Treated
Within Hand 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
Arthritis & Joints
- Bone Spur on Finger
- Hand Arthritis
- Kienbock's Disease
- Stiff Fingers
- Hand and Wrist Arthritis
- Wrist sprain
Congenital
Fractures & Injuries
- Boxer's Fracture
- Broken Scaphoid Bone
- Dislocated Finger
- Black Toenail
- Hand and finger fractures
- Jammed Finger
- Severed Finger
- Torn Thumb Ligament
- Wrist Cartilage Tear
- Wrist fracture
Injuries
- Boxer's Knuckle
- Crushed Hand Injury
- Foreign Object in Hand
- Hand Compartment Syndrome
- Jersey Finger
- Sprained Finger
Lumps & Bumps
- Bone Tumor in Hand
- Finger Cyst
Lumps & Masses
- Hand Lump
- Ganglion Cyst In Hand Or Wrist
Nails
- Nail Bed Injury
Nerves
- Cut Nerve in Hand
- Hand Neuroma
- Hand Numbness and Tingling
- Hand Weakness
- Pinched Nerve in Wrist
- Wrist Drop
- Carpal tunnel
- Cubital tunnel syndrome
Tendons
- Intersection Syndrome
- Swan Neck Deformity
- De Quervain tenosynovitis
- Dupuytren's contracture
- Golfer's elbow
- Mallet Finger
- Tennis elbow
- Torn Hand Tendon
- Trigger finger
Circulation
Infections
- Infected Finger
Procedures & services
Bone surgery
- Ulnar Shortening Surgery
Cyst & Lump Removal
- Ganglion Cyst Removal
- Removal of a soft-tissue mass
Fracture Repair
- Boxer's Fracture Fixation
- Broken Finger Surgery
- Scaphoid Fracture Surgery
- Wrist fracture fixation
Injections
- Cortisone Shot for Finger
- Cortisone Shot for Wrist
- Xiaflex Injection for Dupuytren's
Injections & Therapy
- Custom Hand Splinting
- Mallet Finger Splinting
- PRP Shot for Wrist or Elbow
- Hand therapy
- Tendon Sheath Injection
Joint surgery
- Finger Bone Spur Removal
- Thumb Base Joint Replacement
Joint Surgery
- Finger Joint Fusion
- Finger Joint Replacement
- Thumb Arthritis Surgery
- Wrist Arthroscopy
- Wrist Cartilage Repair
- Wrist Fusion
- Thumb Ligament Repair
Minor procedures
- Finger Dislocation Reset
- Foreign Object Removal from Hand
Nail procedures
- Nail Bed Repair
- Blood Under Toenail Drainage
Nerve surgery
- Hand Neuroma Surgery
- Minimally Invasive Carpal Tunnel Release
Orthopedics
Pain management
- Wrist Denervation Surgery
Spine & Orthopedics
Tendon surgery
- Jersey Finger Repair
- Tendon Scar Tissue Release
Tendon Surgery
- Tendon Repair Surgery
- Tendon Transfer Surgery
- Thumb Tendon Release
- Dupuytren contracture surgery
- Tennis Elbow Surgery
- Trigger finger release
Trauma & Reconstruction
- Drainage of Finger Infection
- Extra Finger Removal
- Fingertip Reconstruction
- Severed Finger Reattachment
- Webbed Finger Separation
Wound repair
- Skin Graft for Hand Wound
Nerve Surgery
- Carpal tunnel surgery
- Cubital tunnel decompression
- Nerve Repair Surgery
Procedures Most Often Billed to Medicare
556 services · 521 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Partial removal of breast | Procedure | 19301 |
52 | More often than most peers in Surgery of the Hand |
| Biopsy or removal of deep lymph nodes of underarm | Procedure | 38525 |
22 | As often as other peers in Surgery of the Hand |
| Imaging of lymph nodes during surgery | Procedure | 38900 |
20 | As often as other peers in Surgery of the Hand |
| Simple complete removal of breast | Procedure | 19303 |
18 | More often than most peers in Surgery of the Hand |
| Needle biopsy of breast | Procedure | 19100 |
14 | Too few peers to compare |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
319 | More than most peers in Surgery of the Hand |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
52 | More often than most peers in Surgery of the Hand |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
21 | As often as other peers in Surgery of the Hand |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
19 | Less often than most peers in Surgery of the Hand |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
19 | As often as other peers in Surgery of the Hand |
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.
Related specialists at this location 8
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.
Other surgery of the hands in Evanston 3
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Partial removal of breast 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Dr. Yao specialize in?
Dr. Yao is a surgery of the hand in Evanston, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Yao located?
Dr. Yao is listed at 2650 Ridge Ave # 1155 Northshore University Health System, Evanston, IL 60201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Yao's phone number?
The number on file is (847) 570-1700. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Yao's NPI number?
Dr. Yao's National Provider Identifier is 1184698060. 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 Dr. Yao go to medical school?
Dr. Yao attended Other, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Yao been practicing?
Dr. Yao has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Yao do most often?
According to Medicare billing data, Dr. Yao performs procedures including partial removal of breast, biopsy or removal of deep lymph nodes of underarm and imaging of lymph nodes during surgery, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Yao confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Yao. If this is you, claiming it is free.
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