Will Sun, M.D.
NPI 1881011286 · Pain Medicine (Anesthesiology) Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Will Sun, M.D. is a Pain Medicine (Anesthesiology) Physician provider in Philadelphia, PA (NPI 1881011286).
Provider details
- NPI number
- 1881011286
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MT214870 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,031 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 289 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 240 | $121 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 106 | $157 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 72 | $95 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 60 |
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 |
|---|---|---|
| Gabapentin | 185 | 59 |
| Tizanidine Hcl | 71 | 20 |
| Pregabalin | 69 | 19 |
| Cyclobenzaprine Hcl | 30 | 15 |
| Nortriptyline Hcl | 29 | 11 |
| Methylprednisolone | 28 | 28 |
| Diclofenac Sodium | 25 | — |
| Methocarbamol | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-03-24
- Last updated
- 2019-05-29
Frequently asked questions
- What is Will Sun's NPI number?
- Will Sun's National Provider Identifier (NPI) is 1881011286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Will Sun's specialty?
- Will Sun is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Will Sun located?
- Will Sun's practice location on file with NPPES is 834 Chestnut St Ste T150, Philadelphia, PA 19107.
- What is Will Sun's phone number?
- The practice phone number listed in the NPPES registry for Will Sun is (215) 955-7246.
- Does Will Sun accept Medicare?
- Will Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Will Sun's NPI active?
- Yes — Will Sun's NPI (1881011286) is active in the NPPES registry as of the last update on 2019-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.