Julie Chan, M.D.
NPI 1689796096 · Endocrinology, Diabetes & Metabolism Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julie Chan, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Worcester, MA (NPI 1689796096).
Provider details
- NPI number
- 1689796096
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 226386 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
462 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 414 | $96 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 34 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 14 | $65 |
Typical Medicare-allowed amounts for these services range $65–$132 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 696 | 122 |
| Metformin Hclbrand: Metformin Hcl Er | 481 | 118 |
| Empagliflozinbrand: Jardiance | 439 | 94 |
| Dulaglutidebrand: Trulicity | 389 | 92 |
| Atorvastatin Calcium | 271 | 64 |
| Tirzepatidebrand: Mounjaro |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$253 across 1 record (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
Registry dates
- Enumerated
- 2007-04-04
- Last updated
- 2020-11-16
- Certified
- 2020-11-16
Frequently asked questions
- What is Julie Chan's NPI number?
- Julie Chan's National Provider Identifier (NPI) is 1689796096, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julie Chan's specialty?
- Julie Chan is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Julie Chan located?
- Julie Chan's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Julie Chan's phone number?
- The practice phone number listed in the NPPES registry for Julie Chan is (508) 334-3206.
- Does Julie Chan accept Medicare?
- Julie Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julie Chan's NPI active?
- Yes — Julie Chan's NPI (1689796096) is active in the NPPES registry as of the last update on 2020-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.