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Edit this profileAt a glance
- 231 Granite Run Dr, Lancaster, PA 17601
About Dr. Perezous
Mark K. Perezous, MD practices orthopedic surgery in Lancaster, PA. Mark is a 1989 graduate of Temple University School of Medicine. Mark is also listed as specializing in orthopaedic surgery. Medicare claims data shows Mark provided 2,308 services to 923 patients. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, aspiration and/or injection of fluid from large joint, and x-ray of shoulder, minimum of 2 views. The provider's National Provider Identifier (NPI) is 1992706253.
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
- (717) 560-4200
- Email not available
Practice Locations
231 GRANITE RUN DR
Lancaster, PA 17601
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
2,308 services · 923 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
216 | More often than most peers in Orthopedic Surgery |
| Shaving of part of shoulder bone and repair of ligament using an endoscope | Procedure | 29826 |
13 | Less often than most peers in Orthopedic Surgery |
| Removal of extensive shoulder joint tissue using an endoscope | Procedure | 29823 |
12 | Less often than most peers in Orthopedic Surgery |
| Repair of shoulder rotator cuff using an endoscope | Procedure | 29827 |
11 | Less often than most peers in Orthopedic Surgery |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
160 | More often than most peers in Orthopedic Surgery |
| X-ray of knee, 4 or more views | Imaging | 73564 |
143 | More often than most peers in Orthopedic Surgery |
| X-ray of upper spine, 2-3 views | Imaging | 72040 |
28 | As often as other peers in Orthopedic Surgery |
| X-ray of knee, 1-2 views | Imaging | 73560 |
16 | Less often than most peers in Orthopedic Surgery |
| Mri scan of arm joint without contrast | Imaging | 73221 |
14 | Less often than most peers in Orthopedic Surgery |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
1,232 | More 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 8
Same specialty, same street address — most likely the same department or group.
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.
More connections — 31 related providers in 4 groups
Other orthopedic surgeons in Lancaster 7
Same specialty, same city.
Trained at Temple University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Temple University School of Medicine 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. Perezous?
Dr. Perezous is an orthopedic surgeon in Lancaster, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
What is Dr. Perezous's address?
Dr. Perezous is listed at 231 Granite Run Dr, Lancaster, PA 17601. 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. Perezous?
The number on file is (717) 560-4200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Perezous?
Dr. Perezous's National Provider Identifier is 1992706253. 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. Perezous train?
Dr. Perezous attended Temple University School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Perezous have?
Dr. Perezous has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Perezous perform?
According to Medicare billing data, Dr. Perezous performs procedures including aspiration and/or injection of fluid from large joint, shaving of part of shoulder bone and repair of ligament using an endoscope and removal of extensive shoulder joint tissue using an endoscope; reads or performs imaging such as x-ray of shoulder, minimum of 2 views and x-ray of knee, 4 or more views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Perezous's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Perezous. If this is you, claiming it is free.
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