Eunice Chuang, M.D.
NPI 1851687529 · Internal Medicine Physician · Cambridge, MA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eunice Chuang, M.D. is a Internal Medicine Physician provider in Cambridge, MA (NPI 1851687529).
Provider details
- NPI number
- 1851687529
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 248070 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 363 | 116 |
| Methimazole | 151 | 50 |
| Hydrocortisone | 89 | 32 |
| Insulin Lisprobrand: Humalog | 66 | 21 |
| Semaglutidebrand: Ozempic | 50 | 12 |
| Insulin Glargine-Yfgn | 48 | 23 |
| Cinacalcet Hcl | 44 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$110 across 2 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
Registry dates
- Enumerated
- 2011-06-21
- Last updated
- 2021-12-08
Frequently asked questions
- What is Eunice Chuang's NPI number?
- Eunice Chuang's National Provider Identifier (NPI) is 1851687529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eunice Chuang's specialty?
- Eunice Chuang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eunice Chuang located?
- Eunice Chuang's practice location on file with NPPES is 330 Mount Auburn St, Cambridge, MA 02138-5502.
- What is Eunice Chuang's phone number?
- The practice phone number listed in the NPPES registry for Eunice Chuang is (617) 499-5571.
- Does Eunice Chuang accept Medicare?
- Eunice Chuang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eunice Chuang's NPI active?
- Yes — Eunice Chuang's NPI (1851687529) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.