Simeng Sun, MD
Endocrinology, Diabetes & Metabolism Physician · Allentown, PA
Simeng Sun, MD is an endocrinology, diabetes & metabolism physician with a practice address in Allentown, Pennsylvania, and NPI 1316380611, issued on Apr 17, 2013. Check the license (Pennsylvania MD464426, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Simeng Sun
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- MD464426 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1243 S Cedar Crest Blvd Ste 2800, Allentown, PA 18103
- Phone
- (610) 402-6790
- Enumerated
- Apr 17, 2013
- Record last updated
- Apr 4, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (610) 402-6979
- Medicare enrollment
- Enrolled (PECOS I20180918000216); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 485 in Pennsylvania → Look up another NPI →
Also registered at 1243 S Cedar Crest Blvd Ste 2800
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohammad Uzair Abdul Rauf, MDStudent in an Organized Health Care Education/Training Program1194242537
- Phyllis Amrick, CRNPAdult Health Nurse Practitioner1467621458
- Anne BorjaEndocrinology, Diabetes & Metabolism Physician1891144424
- Lindor Gelin, DOEndocrinology, Diabetes & Metabolism Physician1255953584
- Clarissa Hayes, DOEndocrinology, Diabetes & Metabolism Physician1306410568
- Deborah HerrFamily Nurse Practitioner1477387454
Verify Simeng Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD464426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,913 Medicare Part D claims for 434 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Levothyroxine Sodium349 claims
- Ozempic261 claims
- Metformin Hcl178 claims
- Jardiance141 claims
- Lantus Solostar127 claims
- Trulicity113 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Lehigh Valley Physician GroupAllentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Simeng Sun among 485 endocrinology, diabetes & metabolism physician records in Pennsylvania
Simeng Sun, MD is one of 485 endocrinology, diabetes & metabolism physician records with a practice address in Pennsylvania. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 74% of them.
- NPI issued2013 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2013 · median 2004 among the 334 with a school on file
- Record last updated2019 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Pennsylvania
There are 485 endocrinology, diabetes & metabolism physician records in Pennsylvania.
All 485 in Pennsylvania → Every provider in Allentown → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Aakif Ahmad, DOAllentown, PA 181031720308331
- Andrew Brackbill, M.D.Allentown, PA 181031447455209
- Robert Doll, M.D.Allentown, PA 181031043203375
- Mal Homan, MDAllentown, PA 181031215905898
- Sharmila Koshy, MDAllentown, PA 181031609037696
- Ya-Yu Lee, MDAllentown, PA 181031235271545
- Angela Magdaleno, D.O.Allentown, PA 181031720475189
- Robert McCauley, M.D.Allentown, PA 181031992920466
Common questions
What is Simeng Sun, MD's NPI number?
Simeng Sun, MD's National Provider Identifier (NPI) is 1316380611, issued on Apr 17, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Simeng Sun, MD located?
The NPPES record lists a practice address at 1243 S Cedar Crest Blvd Ste 2800, Allentown, PA, 18103. Phone: (610) 402-6790. Providers update this record themselves, so call before visiting.
How can I verify Simeng Sun, MD's license?
NPPES lists Pennsylvania license number MD464426, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Simeng Sun, MD prescribe under Medicare Part D?
In 2024, Simeng Sun, MD had 2,913 Medicare Part D claims for 434 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.