Walter Dearolf, MD
NPI 1134161136 · Orthopaedic Surgery Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Dearolf, MD is a Orthopaedic Surgery Physician provider in Philadelphia, PA (NPI 1134161136).
Provider details
- NPI number
- 1134161136
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD029195E (PA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,351 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 | 1,396 | $93 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 1,021 | $79 |
| X-Ray of Knee, 1-2 Views73560 | 299 | $35 |
| Injection of Trigger Points, 1-2 Muscles20552 | 182 | $45 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 100 | $114 |
| X-Ray of Hip, 2-3 Views73502 | 86 | $49 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 168 | 132 |
| Tramadol Hcl | 137 | 58 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 128 | 72 |
| Ibuprofen | 123 | 47 |
| Meloxicam | 64 | 22 |
| Amoxicillin | 41 | 35 |
| Diclofenac Sodium | 29 | — |
| Acetaminophen With Codeine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$240 across 8 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
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2014-06-26
Frequently asked questions
- What is Walter Dearolf's NPI number?
- Walter Dearolf's National Provider Identifier (NPI) is 1134161136, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Dearolf's specialty?
- Walter Dearolf is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Dearolf located?
- Walter Dearolf's practice location on file with NPPES is 7500 Central Ave, Philadelphia, PA 19111-2430.
- What is Walter Dearolf's phone number?
- The practice phone number listed in the NPPES registry for Walter Dearolf is (215) 745-4050.
- Does Walter Dearolf accept Medicare?
- Walter Dearolf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Dearolf's NPI active?
- Yes — Walter Dearolf's NPI (1134161136) is active in the NPPES registry as of the last update on 2014-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.