NPPES file of Aug 9, 2026

Lun Chen, PA-C

Surgical Physician Assistant · Towson, MD

Lun Chen, PA-C is a surgical physician assistant with a practice address in Towson, Maryland, and NPI 1790019974, issued on Sep 22, 2009. Check the license (Maryland C0004060, as entered in NPPES) with the Maryland 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
1790019974
Name
Lun Chen
Credential
PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
C0004060 MD
Self-reported in NPPES; status is on the state search
Practice location
7505 Osler Dr, Towson, MD 21204
Phone
(410) 337-8888
Enumerated
Sep 22, 2009
Record last updated
Nov 13, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(410) 823-4833
Medicare enrollment
Enrolled (PECOS I20220519002786); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7505 Osler Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stanley Amernick, M.D.Ophthalmology Physician1295718203
  2. Sonia Baker, MDCardiovascular Disease Physician1780728170
  3. David Boersma, M.D.Internal Medicine Physician1235117219
  4. Shayne Bradford, PA-CSurgical Physician Assistant1841251386
  5. Lilia Ceballos, MD FACEEndocrinology, Diabetes & Metabolism Physician1265597546
  6. Kam Chan, PHARMD.Pharmacist1598137044

Verify Lun Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license C0004060
    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
Find the Maryland license search

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96% fewer Medicare Part D claims than the average surgical physician assistant in 2024

11 Medicare Part D claims, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D.

  1. Lun Chen11
  2. Specialty average304

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: $31.93

1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lun Chen$31.93
  2. Specialty average$703.95

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

Bills Medicare through one group practice

  1. Adventist Physician Services IncRockville, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lun Chen among 397 surgical physician assistant records in Maryland

Lun Chen, PA-C is one of 397 surgical physician assistant records with a practice address in Maryland. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 45% of them.

  • NPI issued2009 · 45% of these records are older, 50% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2009 · median 2011 among the 230 with a school on file
  • Record last updated2013 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in Maryland

There are 397 surgical physician assistant records in Maryland.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Shayne Bradford, PA-CTowson, MD 212041841251386
  2. Brett Getlan, PA-CTowson, MD 212041457828485
  3. Christina Harvell, PA-CTowson, MD 212041316579287
  4. Kevin Klekner, P.A.Towson, MD 212041124123336
  5. Linda Loudermilk, P.A.Towson, MD 212041730274036
  6. Dawn Lupica, PA-CBaltimore, MD 212041669718870
  7. Gregory Marchesiello, PA-CTowson, MD 212041013272301
  8. Daniel Meeder, P.A.-CTowson, MD 212041184729691

Common questions

What is Lun Chen, PA-C's NPI number?

Lun Chen, PA-C's National Provider Identifier (NPI) is 1790019974, issued on Sep 22, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Lun Chen, PA-C located?

The NPPES record lists a practice address at 7505 Osler Dr, Towson, MD, 21204. Phone: (410) 337-8888. Providers update this record themselves, so call before visiting.

How can I verify Lun Chen, PA-C's license?

NPPES lists Maryland license number C0004060, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Lun Chen, PA-C prescribe under Medicare Part D?

In 2024, Lun Chen, PA-C had 11 Medicare Part D claims; the average among surgical physician assistant prescribers was 304. 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.