WILLIAM M PARRISH MD
NPI 1902860760
Orthopaedic Surgery in Lancaster, PA

Q: What is William Parrish's NPI number?

The NPI number for William Parrish is 1902860760. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Q: What is William Parrish's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: When was this NPI record last updated?

The NPPES record for William Parrish was last updated on April 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 17, 2006PECOS Enrolled

90.99/100

CMS Quality Rating

1160 MANHEIM PIKE STE 200, LANCASTER, PA 17601(717) 735-1972(717) 735-2004 Get Directions Write a Review

NPPES record last updated: April 15, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 15, 2021, Jan 13, 2021, Apr 19, 2017 (3 updates tracked since 2017).

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About William M Parrish Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM M PARRISH MD (NPI 1902860760) is an individual orthopaedic surgery provider in Lancaster, Pennsylvania, licensed in Pennsylvania (MD050269L) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Harrisburg.

NPPES Registry Identity

NPI1902860760

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameWILLIAM M PARRISHCredential: MD

Location Address1160 MANHEIM PIKE STE 200Lancaster, PA 17601-3127

Mailing Address1160 Manheim Pike Ste 200Lancaster, PA 17601-3127

Phone(717) 735-1972

Fax(717) 735-2004

Sole ProprietorNo

Enumeration DateApril 17, 2006

Last NPPES UpdateApril 15, 20213 updates tracked since enumeration

NPPES CertifiedApril 15, 2021

✔ NPI 1902860760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in PA · MD050269L

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Also ListedOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryTaxonomy 207XS0114X · License MD050269L (PA)

1160 MANHEIM PIKE STE 200, Lancaster, PA 17601

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Secondary Practice Location 1

Location 14310 Londonderry Rd Ste 1BHarrisburg, PA 17109-5300 · Phone (717) 735-1972 · Fax (717) 735-2004

Other Identifiers 1

Medicaid0014225140001PA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William M Parrish Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show William Parrish reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pinnacle Health Medical Services

Same address

Family Medicine

1160 MANHEIM PIKE
Lancaster, PA 17601

Reassigned Medicare billing, Pennsylvania enrollment
1,902 clinicians in this Medicare group

NPI 1629565262 (717) 869-4689

Pinnacle Health Regional Physicians

Same address

Orthopaedic Surgery

1160 MANHEIM PIKE
Lancaster, PA 17601

Reassigned Medicare billing, Pennsylvania enrollment
468 clinicians in this Medicare group

NPI 1992225197 (717) 735-1972

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

184 services16 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

65 services62 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

46 services34 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

19 services18 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.88 typical visit price

range $54.64 – $166.87

Typical copayment $21.22 (range $13.66 – $41.71)

Most-billed visit code 99203

Established Patient

$68.36 typical visit price

range $17.33 – $135.84

Typical copayment $17.09 (range $4.33 – $33.96)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.99/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

92.95

Promoting Interoperability

100

Improvement Activities

Cost

77.03

Reported Quality Measures

Risk-standardized complication rate (RSCR) following elective primary total hip arthroplasty (THA) and/or total knee arthroplasty (TKA) for Merit-based Incentive Payment System (MIPS)

Lower rates are better for this measure.

0.02%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Neuromuscular stimulator, electronic shock unit E0745

DME-Other DME · category DE000N

1 supplier11 claims11 services$69.65 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. AMBER MARCEIL HELSEL PA-C

Physician Assistant