Ningyuan Sun
Periodontics · Portland, ME
Ningyuan Sun is a periodontics with a practice address in Portland, Maine, and NPI 1851959563, issued on May 29, 2019. Check the license (Maine DEN4997, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ningyuan Sun
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- DEN4997 ME
Self-reported in NPPES; status is on the state search - Practice location
- 1 College St, Portland, ME 04103
- Phone
- (207) 221-4747
- Enumerated
- May 29, 2019
- Record last updated
- Dec 16, 2025
- Entity
- Type 1 · individual
8 nearest periodontics records → All 23 in Maine → Look up another NPI →
Also registered at 1 College St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jawharah Almalki, BDS, MSDentist1144055781
- Neetha Antony, BDSOrofacial Pain Dentistry1538945803
- Brenda Berkal, DMDGeneral Practice Dentistry1487758991
- Juan Bugueno, DDSDentist1730150525
- Jennifer Caplin, D.M.D. M.S.Orthodontics and Dentofacial Orthopedics Dentistry1427451285
- Tejasvita ChandelPublic Health Dentistry1033762414
Verify Ningyuan Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license DEN4997Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average periodontics in 2024
80 Medicare Part D claims for 44 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.
Most prescribed
- Chlorhexidine Gluconate34 claims
- Amoxicillin32 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.
Industry payments in 2024: $23.87
1 payment: food and beverage; the largest payer was Geistlich Pharma, North America, Inc. The 2,966 providers of this specialty with any payment received $1,338.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ningyuan Sun among 23 periodontics records in Maine
Ningyuan Sun is one of 23 periodontics records with a practice address in Maine. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 83% of them.
- NPI issued2019 · 83% of these records are older, 13% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2025 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in Maine
There are 23 periodontics records in Maine.
All 23 in Maine → Every provider in Portland → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Anuja Doshi, DDS, MSPortland, ME 041031699126250
- Padmaja KrothapalliPortland, ME 041031174768931
- Yun LeePortland, ME 041031578482782
- Judith McCollum, DMDPortland, ME 041031760697932
- Denise Theriault, D.M.D.Portland, ME 041031609098425
- Kara Achille, DMDPortland, ME 041021487051686
- Yu-Hsin Chen, DDS, MSOBPortland, ME 041021750261483
- George Gordon, DMDPortland, ME 041021669530713
Common questions
What is Ningyuan Sun's NPI number?
Ningyuan Sun's National Provider Identifier (NPI) is 1851959563, issued on May 29, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ningyuan Sun located?
The NPPES record lists a practice address at 1 College St, Portland, ME, 04103. Phone: (207) 221-4747. Providers update this record themselves, so call before visiting.
How can I verify Ningyuan Sun's license?
NPPES lists Maine license number DEN4997, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Ningyuan Sun prescribe under Medicare Part D?
In 2024, Ningyuan Sun had 80 Medicare Part D claims for 44 beneficiaries; the average among periodontics prescribers was 277. 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.