Enid Sun, MD, MPH
NPI 1871947432 · Rheumatology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Enid Sun, MD, MPH is a Rheumatology Physician provider in Philadelphia, PA (NPI 1871947432).
Provider details
- NPI number
- 1871947432
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Female
- Sole proprietor
- No
- License
- 218436 (NC)
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
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
92 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 39 | $132 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 12 | $136 |
Typical Medicare-allowed amounts for these services range $99–$136 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 152 | 36 |
| Meloxicam | 81 | 16 |
| Hydroxychloroquine Sulfate | 67 | 17 |
| Gabapentin | 65 | 16 |
| Alendronate Sodium | 58 | 15 |
| Prednisone | 56 | 16 |
| Celecoxib | 51 | 17 |
Practice location
Mailing address
Additional practice locations (1)
- 6013 Farrington Rd Ste 301Chapel Hill, NC 27517-8173Phone: (984) 974-4191Fax: (984) 974-2640
Registry dates
- Enumerated
- 2016-04-20
- Last updated
- 2021-07-15
- Certified
- 2021-07-15
Frequently asked questions
- What is Enid Sun's NPI number?
- Enid Sun's National Provider Identifier (NPI) is 1871947432, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Enid Sun's specialty?
- Enid Sun is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Enid Sun located?
- Enid Sun's practice location on file with NPPES is 3401 N Broad St, Philadelphia, PA 19140-5103.
- What is Enid Sun's phone number?
- The practice phone number listed in the NPPES registry for Enid Sun is (215) 707-4600.
- Does Enid Sun accept Medicare?
- Enid Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Enid Sun's NPI active?
- Yes — Enid Sun's NPI (1871947432) is active in the NPPES registry as of the last update on 2021-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.