William Emper, M.D.
NPI 1982664793 · Orthopaedic Surgery Physician · Bryn Mawr, PA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Emper, M.D. is a Orthopaedic Surgery Physician provider in Bryn Mawr, PA (NPI 1982664793).
Provider details
- NPI number
- 1982664793
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD027634E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
965 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 266 | $94 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 194 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 148 | $133 |
| X-Ray of Knee, 4 Or More Views73564 | 135 | $49 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 61 | $36 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$224 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 650 Carnegie Blvd Ste 220aMalvern, PA 19355-0367Phone: (800) 321-9999Fax: (267) 479-1321
Registry dates
- Enumerated
- 2006-03-24
- Last updated
- 2022-05-18
- Certified
- 2022-05-18
Frequently asked questions
- What is William Emper's NPI number?
- William Emper's National Provider Identifier (NPI) is 1982664793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Emper's specialty?
- William Emper is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Emper located?
- William Emper's practice location on file with NPPES is 825 Old Lancaster Rd Ste 100, Bryn Mawr, PA 19010-3234.
- What is William Emper's phone number?
- The practice phone number listed in the NPPES registry for William Emper is (800) 321-9999.
- Does William Emper accept Medicare?
- William Emper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Emper's NPI active?
- Yes — William Emper's NPI (1982664793) is active in the NPPES registry as of the last update on 2022-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.