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Edit this profileWilliam M. Parrish, MD practices orthopaedic surgery in Lancaster, PA. William is also listed as specializing in orthopaedic adult reconstructive surgery. According to Medicare claims data, William cared for 147 Medicare patients across 331 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 knee, 3 views. The provider's National Provider Identifier (NPI) is 1902860760.
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.
1160 MANHEIM PIKE STE 200
Lancaster, PA 17601
4310 Londonderry Rd Ste 1B
Harrisburg, PA 17109
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.
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
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
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
331 services · 147 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
17 | Less often than most peers in Orthopaedic Surgery |
| X-ray of knee, 3 views | Imaging | 73562 |
46 | As often as other peers in Orthopaedic Surgery |
| X-ray of pelvis, 1-2 views | Imaging | 72170 |
19 | Less often than most peers in Orthopaedic Surgery |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
184 | Less often than most 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 |
65 | Less 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.
Dr. Parrish is an orthopaedic surgeon in Lancaster, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Dr. Parrish is listed at 1160 Manheim Pike Ste 200, Lancaster, PA 17601. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (717) 735-1972. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Parrish's National Provider Identifier is 1902860760. 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. Parrish has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Parrish performs procedures including aspiration and/or injection of fluid from large joint; reads or performs imaging such as x-ray of knee, 3 views and x-ray of pelvis, 1-2 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. Parrish. If this is you, claiming it is free.
Guide.md
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