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Edit this profileAt a glance
- 925 Chestnut St, 5Th Floor, Philadelphia, PA 19107
About Dr. Horneff
Based in Philadelphia, PA, John G. Horneff, MD is listed in the NPI registry under orthopaedic surgery. John graduated from Perelman School of Med at the University of Pennsylvania in 2010. John is also listed as specializing in student in an organized health care education program. According to Medicare claims data, John cared for 832 Medicare patients across 1,232 services. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1053639302 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
- (267) 339-3500
- Email not available
Practice Locations
925 CHESTNUT ST 5TH FLOOR
Philadelphia, PA 19107
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
1,232 services · 832 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
62 | As often as other peers in Orthopaedic Surgery |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
62 | As often as other peers in Orthopaedic Surgery |
| Removal of extensive shoulder joint tissue using an endoscope | Procedure | 29823 |
34 | More often than most peers in Orthopaedic Surgery |
| Prosthetic repair of shoulder joint, total shoulder | Procedure | 23472 |
33 | More often than most peers in Orthopaedic Surgery |
| Relocation of one muscle of shoulder or upper arm | Procedure | 23395 |
32 | As often as other peers in Orthopaedic Surgery |
| Repair of shoulder rotator cuff using an endoscope | Procedure | 29827 |
28 | More often than most peers in Orthopaedic Surgery |
| Shaving of part of shoulder bone and repair of ligament using an endoscope | Procedure | 29826 |
17 | As often as other peers in Orthopaedic Surgery |
| Release of tendon connecting biceps muscle and shoulder using an endoscope | Procedure | 29828 |
15 | As often as other peers in Orthopaedic Surgery |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
280 | As often as other peers in Orthopaedic Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
170 | More often than most peers in Orthopaedic 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.
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 orthopaedic surgeons in Philadelphia 8
Same specialty, same city.
Trained at Perelman School of Med at the University of Pennsylvania 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2010 at Perelman School of Med at the University of Pennsylvania 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 PA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Horneff?
Dr. Horneff is an orthopaedic surgeon in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
What is Dr. Horneff's address?
Dr. Horneff is listed at 925 Chestnut St 5Th Floor, Philadelphia, PA 19107. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Horneff?
The number on file is (267) 339-3500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Horneff's NPI number?
Dr. Horneff's National Provider Identifier is 1053639302. 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. Horneff train?
Dr. Horneff attended Perelman School of Med at the University of Pennsylvania, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Horneff been practicing?
Dr. Horneff has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Horneff perform?
According to Medicare billing data, Dr. Horneff performs procedures including aspiration and/or injection of fluid from large joint, removal of extensive shoulder joint tissue using an endoscope and prosthetic repair of shoulder joint, total shoulder, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Horneff confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Horneff. If this is you, claiming it is free.
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