Physician Profile
Gregg G. Martyak, M.D.
Unclaimed ProfileAbout Dr. Martyak
Gregg G. Martyak, M.D. practices orthopedic surgery in Philadelphia, PA. Gregg is a 2002 graduate of Jefferson Medical College of Thomas Jefferson University. Gregg is also listed as specializing in orthopaedic hand surgery. According to Medicare claims data, Gregg cared for 611 Medicare patients across 1,203 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 x-ray of wrist, minimum of 3 views. The provider's National Provider Identifier (NPI) is 1558565044.
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
- (215) 955-1500
- Email not available
Practice Locations
1015 WALNUT ST STE 801
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
1,203 services · 611 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
50 | Less often than most peers in Orthopedic Surgery |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
48 | As often as other peers in Orthopedic Surgery |
| Release and/or relocation of hand nerve | Procedure | 64721 |
33 | As often as other peers in Orthopedic Surgery |
| Release of wrist ligament using an endoscope | Procedure | 29848 |
26 | As often as other peers in Orthopedic Surgery |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
20 | Less often than most peers in Orthopedic Surgery |
| Release and/or relocation of elbow nerve | Procedure | 64718 |
15 | As often as other peers in Orthopedic Surgery |
| Injection of carpal tunnel | Procedure | 20526 |
13 | Less often than most peers in Orthopedic Surgery |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
58 | As often as other peers in Orthopedic Surgery |
| Fluoroscopic guidance for needle placement | Imaging | 77002 |
35 | As often as other peers in Orthopedic Surgery |
| X-ray of finger, minimum of 2 views | Imaging | 73140 |
25 | 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 — 31 related providers in 4 groups
Other orthopedic surgeons in Philadelphia 8
Same specialty, same city.
Trained at Jefferson Medical College of Thomas Jefferson University 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Jefferson Medical College of Thomas Jefferson University 7
Providers who graduated from the same medical school in the same year.
Also performs Injection into tendon or ligament 8
Providers in PA who bill this service to Medicare most often.
Common questions
What does Gregg G. Martyak specialize in?
Gregg G. Martyak is an orthopedic surgeon in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
Where is Gregg G. Martyak located?
Gregg G. Martyak is listed at 1015 Walnut St Ste 801, Philadelphia, PA 19107. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gregg G. Martyak's phone number?
The number on file is (215) 955-1500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gregg G. Martyak's NPI number?
Gregg G. Martyak's National Provider Identifier is 1558565044. 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 Gregg G. Martyak train?
Gregg G. Martyak attended Jefferson Medical College of Thomas Jefferson University, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregg G. Martyak been practicing?
Gregg G. Martyak has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Gregg G. Martyak do most often?
According to Medicare billing data, Gregg G. Martyak performs procedures including injection into tendon or ligament, aspiration and/or injection of fluid from small joint and release and/or relocation of hand nerve; reads or performs imaging such as x-ray of wrist, minimum of 3 views and fluoroscopic guidance for needle placement, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gregg G. Martyak confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregg G. Martyak. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.