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Edit this profileMary Ling, MD is a healthcare provider in Warrenville, IL specializing in hand surgery. Mary trained at Northwestern University Feinberg Medical School, graduating in 1993. Mary is also listed as specializing in orthopaedic hand surgery. Medicare claims data shows Mary provided 983 services to 672 patients. The services billed most often include injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more. This provider record is associated with NPI 1891784005.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
27650 FERRY RD SUITE 100
Warrenville, IL 60555
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.
Arthritis & Joints
Circulation
Congenital
Fractures & Injuries
Infections
Injuries
Lumps & Bumps
Lumps & Masses
Nails
Nerves
Tendons
Bone surgery
Cyst & Lump Removal
Fracture Repair
Injections
Injections & Therapy
Joint surgery
Joint Surgery
Minor procedures
Nail procedures
Nerve Surgery
Nerve surgery
Pain management
Tendon Surgery
Tendon surgery
Trauma & Reconstruction
Wound repair
983 services · 672 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
59 | As often as other peers in Hand Surgery |
| Application of hand and lower forearm cast | Procedure | 29085 |
22 | More often than most peers in Hand Surgery |
| Release and/or relocation of hand nerve | Procedure | 64721 |
21 | Less often than most peers in Hand Surgery |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
17 | Less often than most peers in Hand Surgery |
| Incision of tendon covering of finger | Procedure | 26055 |
15 | Less often than most peers in Hand Surgery |
| Injection of carpal tunnel | Procedure | 20526 |
14 | Less often than most peers in Hand Surgery |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
91 | More often than most peers in Hand Surgery |
| X-ray of finger, minimum of 2 views | Imaging | 73140 |
58 | As often as other peers in Hand Surgery |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
45 | Less often than most peers in Hand Surgery |
| X-ray of elbow, minimum of 3 views | Imaging | 73080 |
31 | As often as other peers in Hand Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Ling is a hand surgeon in Warrenville, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hand Surgery”.
NPI registry
Dr. Ling is listed at 27650 Ferry Rd Suite 100, Warrenville, IL 60555. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (630) 225-2663. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Ling's National Provider Identifier is 1891784005. 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
Dr. Ling attended Northwestern University Feinberg Medical School, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ling has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ling performs procedures including injection into tendon or ligament, application of hand and lower forearm cast and release and/or relocation of hand nerve; reads or performs imaging such as x-ray of wrist, minimum of 3 views and x-ray of finger, minimum of 2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ling. If this is you, claiming it is free.
Guide.md
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