Jacqueline Chu, MD
NPI 1619359858 · Internal Medicine Physician · North Chelmsford, MA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacqueline Chu, MD is a Internal Medicine Physician provider in North Chelmsford, MA (NPI 1619359858).
Provider details
- NPI number
- 1619359858
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 281867 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
574 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 130 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 110 | $135 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 102 | $254 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 60 | $87 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 36 | $170 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 132 | 55 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 76 | 75 |
| Linaclotidebrand: Linzess | 52 | 18 |
| Famotidine | 45 | 18 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 38 | 35 |
| Pantoprazole Sodium | 37 | 12 |
| Colestipol Hcl | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,024 across 37 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- Massachusetts General Hospital55 Fruit St.Boston, MA 02114Phone: (617) 726-8157
Registry dates
- Enumerated
- 2015-06-24
- Last updated
- 2021-04-05
- Certified
- 2021-04-05
Frequently asked questions
- What is Jacqueline Chu's NPI number?
- Jacqueline Chu's National Provider Identifier (NPI) is 1619359858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacqueline Chu's specialty?
- Jacqueline Chu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jacqueline Chu located?
- Jacqueline Chu's practice location on file with NPPES is 20 Research Pl Ste 220, North Chelmsford, MA 01863-2455.
- What is Jacqueline Chu's phone number?
- The practice phone number listed in the NPPES registry for Jacqueline Chu is (978) 459-6737.
- Does Jacqueline Chu accept Medicare?
- Jacqueline Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacqueline Chu's NPI active?
- Yes — Jacqueline Chu's NPI (1619359858) is active in the NPPES registry as of the last update on 2021-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.