NPPES file of Aug 9, 2026

Katherine Ni

Periodontics · Lancaster, PA

Katherine Ni is a periodontics with a practice address in Lancaster, Pennsylvania, and NPI 1750056008, issued on Aug 10, 2021. Check the license (Pennsylvania DS043322, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750056008
Name
Katherine Ni
Primary taxonomy
Periodontics 1223P0300X
License number
DS043322 PA
Self-reported in NPPES; status is on the state search
Practice location
2207 Oregon Pike Ste 201, Lancaster, PA 17601
Phone
(717) 299-5544
Enumerated
Aug 10, 2021
Record last updated
Aug 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Katherine Ni in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license DS043322
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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71% fewer Medicare Part D claims than the average periodontics in 2024

80 Medicare Part D claims for 57 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.

  1. Katherine Ni80
  2. Specialty average277

Most prescribed

  1. Amoxicillin45 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: $32.01

2 payments; by number, the most common kind was food and beverage; the largest payer was Henry Schein, 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.

  1. Katherine Ni$32.01
  2. Specialty average$1,338.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Katherine Ni among 249 periodontics records in Pennsylvania

Katherine Ni is one of 249 periodontics records with a practice address in Pennsylvania. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.

  • NPI issued2021 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2021 · 78% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Periodontics providers in Pennsylvania

There are 249 periodontics records in Pennsylvania.

The 8 periodontics records with the nearest ZIP codes

  1. Gerald Green, D.M.D.Lancaster, PA 176011467545392
  2. Arthur Sommer, D.M.D.Lancaster, PA 176011407863608
  3. Lawrence Stender, DDSLancaster, PA 176011942391073
  4. Ting-Wei Hsu, D.M.D, M.S.DWilliamsport, PA 177011851659031
  5. A Parks, D.M.D.Williamsport, PA 177011699784132
  6. Sarah PhamYork, PA 174031629692751
  7. David Plessett, D.D.S.York, PA 174031639132525
  8. Bryan Siegelman, D.D.S.York, PA 174031720041619

Common questions

What is Katherine Ni's NPI number?

Katherine Ni's National Provider Identifier (NPI) is 1750056008, issued on Aug 10, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Ni located?

The NPPES record lists a practice address at 2207 Oregon Pike Ste 201, Lancaster, PA, 17601. Phone: (717) 299-5544. Providers update this record themselves, so call before visiting.

How can I verify Katherine Ni's license?

NPPES lists Pennsylvania license number DS043322, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Ni prescribe under Medicare Part D?

In 2024, Katherine Ni had 80 Medicare Part D claims for 57 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.