Jennifer Chang, MD
NPI 1649537374 · Vascular Surgery Physician · New Hyde Park, NY
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Chang, MD is a Vascular Surgery Physician provider in New Hyde Park, NY (NPI 1649537374).
Provider details
- NPI number
- 1649537374
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 276177 (NY)
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
14 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
1,013 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 225 | $105 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 145 | $89 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 121 | $130 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 108 | $222 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 99 | $195 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 53 | 21 |
| Apixabanbrand: Eliquis | 29 | — |
| Gabapentin | 29 | — |
| Clopidogrel Bisulfatebrand: Clopidogrel | 20 | — |
| Rivaroxabanbrand: Xarelto | 18 | — |
| Ammonium Lactate | 16 | — |
| Cilostazol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$554 across 4 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
- 2012-04-19
- Last updated
- 2019-07-23
Frequently asked questions
- What is Jennifer Chang's NPI number?
- Jennifer Chang's National Provider Identifier (NPI) is 1649537374, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Chang's specialty?
- Jennifer Chang is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Chang located?
- Jennifer Chang's practice location on file with NPPES is 27005 76th Ave, New Hyde Park, NY 11040-1402.
- What is Jennifer Chang's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Chang is (718) 470-4475.
- Does Jennifer Chang accept Medicare?
- Jennifer Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Chang's NPI active?
- Yes — Jennifer Chang's NPI (1649537374) is active in the NPPES registry as of the last update on 2019-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.