Ann Chuang, MD, MPH
NPI 1134564750 · Surgical Oncology Physician · Florham Park, NJ
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Chuang, MD, MPH is a Surgical Oncology Physician provider in Florham Park, NJ (NPI 1134564750).
Provider details
- NPI number
- 1134564750
- Entity type
- Individual
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25MA10601100 (NJ)
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
13 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
173 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 | 66 | $140 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 32 | $197 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 19 | $99 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $182 |
| Repair of Wound By Transferring Skin, 30.1-60.0 Sq Cm14301 | 14 | $750 |
| Partial Removal of Breast |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$156 across 3 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
- 2013-05-09
- Last updated
- 2024-04-18
- Certified
- 2024-04-18
Frequently asked questions
- What is Ann Chuang's NPI number?
- Ann Chuang's National Provider Identifier (NPI) is 1134564750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Chuang's specialty?
- Ann Chuang is listed in the NPPES registry with a primary specialty of Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Chuang located?
- Ann Chuang's practice location on file with NPPES is 83 Hanover Rd Ste 240, Florham Park, NJ 07932-1508.
- What is Ann Chuang's phone number?
- The practice phone number listed in the NPPES registry for Ann Chuang is (973) 547-1641.
- Does Ann Chuang accept Medicare?
- Ann Chuang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Chuang's NPI active?
- Yes — Ann Chuang's NPI (1134564750) is active in the NPPES registry as of the last update on 2024-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.