NPPES file of Aug 9, 2026

Jacqueline N. Chu, MD

Internal Medicine Physician · North Chelmsford, MA

Jacqueline N. Chu, MD is an internal medicine physician with a practice address in North Chelmsford, Massachusetts, and NPI 1619359858, issued on Jun 24, 2015. Check the license (Massachusetts L-263342, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1619359858
Name
Jacqueline N. Chu
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
L-263342 MA
281867 MA
Self-reported in NPPES; status is on the state search
Practice location
20 Research PL Ste 220, North Chelmsford, MA 01863
Phone
(978) 459-6737
Enumerated
Jun 24, 2015
Record last updated
Apr 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(855) 818-1869
Medicare enrollment
Enrolled (PECOS I20210712002494); accepts Medicare assignment
Medical or professional school
Stanford University School Of Medicine, 2015
Telehealth
Offers telehealth (CMS)
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 20 Research PL Ste 220

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

  1. Nitin Aggarwal, M.D.Gastroenterology Physician1407145402
  2. Heidi Ahmed, M.D.Gastroenterology Physician1801276472
  3. James Connolly, M.D.Gastroenterology Physician1609255223
  4. Amanda Holmes, P.T.Specialist1528218682
  5. Melanie Kappadakunnel, D.O.Gastroenterology Physician1265883615
  6. Kristen McFadden, NPNurse Practitioner1518405141

Verify Jacqueline N. Chu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license L-263342
    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
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% fewer Medicare Part D claims than the average internal medicine physician in 2024

621 Medicare Part D claims for 251 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Jacqueline Chu621
  2. Specialty average3,176

Most prescribed

  1. Omeprazole132 claims
  2. Sutab76 claims
  3. Linzess52 claims
  4. Famotidine45 claims
  5. Sod Sulf-Potass Sulf-Mag Sulf38 claims
  6. Pantoprazole Sodium37 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: $1,024.33

37 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jacqueline Chu$1,024.33
  2. Specialty average$1,303.06

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. Integrated Gastroenterology Consultants, P.C.Lowell, MA

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

Jacqueline N. Chu among 6,825 internal medicine physician records in Massachusetts

Jacqueline N. Chu, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.

  • NPI issued2015 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2015 · median 2004 among the 4,103 with a school on file
  • Record last updated2021 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 internal medicine physician records list a practice address in North Chelmsford

They are 5 of the 159 NPPES records with a practice address in North Chelmsford, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Michael Bertos, M.D.N Chelmsford, MA 018631043245145
  2. Louis Bresnick, M.D.N Chelmsford, MA 018631205861390
  3. Joshua GoldbergNorth Chelmsford, MA 018631699320432
  4. Philip Tavano, M.D.N Chelmsford, MA 018631710919238
  5. Caitlin Waters, MDNorth Chelmsford, MA 018631841600178
  6. Jessica Wieselquist, MDNorth Chelmsford, MA 018631144255712
  7. Timothy Wymer, M.D.North Chelmsford, MA 018631376937268
  8. Tatiana Bernde Aime Noel, MDN Billerica, MA 018621588061964

Common questions

What is Jacqueline N. Chu, MD's NPI number?

Jacqueline N. Chu, MD's National Provider Identifier (NPI) is 1619359858, issued on Jun 24, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Jacqueline N. Chu, MD located?

The NPPES record lists a practice address at 20 Research PL Ste 220, North Chelmsford, MA, 01863. Phone: (978) 459-6737. Providers update this record themselves, so call before visiting.

How can I verify Jacqueline N. Chu, MD's license?

NPPES lists Massachusetts license number L-263342, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jacqueline N. Chu, MD prescribe under Medicare Part D?

In 2024, Jacqueline N. Chu, MD had 621 Medicare Part D claims for 251 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.