Simeng Sun, MD
NPI 1316380611 · Endocrinology, Diabetes & Metabolism Physician · Allentown, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Simeng Sun, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Allentown, PA (NPI 1316380611).
Provider details
- NPI number
- 1316380611
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD464426 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 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
824 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 | 290 | $120 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 123 | $70 |
| 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 | 113 | $16 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 98 | $32 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 83 | $86 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 349 | 99 |
| Semaglutidebrand: Ozempic | 261 | 66 |
| Metformin Hcl | 178 | 55 |
| Empagliflozinbrand: Jardiance | 141 | 44 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 127 | 47 |
| Dulaglutidebrand: Trulicity | 113 | 27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-17
- Last updated
- 2019-04-04
Frequently asked questions
- What is Simeng Sun's NPI number?
- Simeng Sun's National Provider Identifier (NPI) is 1316380611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Simeng Sun's specialty?
- Simeng Sun is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Simeng Sun located?
- Simeng Sun's practice location on file with NPPES is 1243 S Cedar Crest Blvd Ste 2800, Allentown, PA 18103-6230.
- What is Simeng Sun's phone number?
- The practice phone number listed in the NPPES registry for Simeng Sun is (610) 402-6790.
- Does Simeng Sun accept Medicare?
- Simeng Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Simeng Sun's NPI active?
- Yes — Simeng Sun's NPI (1316380611) is active in the NPPES registry as of the last update on 2019-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.