Andrea Hendrzak, M.D.
NPI 1689865347 · Vascular Surgery Physician · East Setauket, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Hendrzak, M.D. is a Vascular Surgery Physician provider in East Setauket, NY (NPI 1689865347).
Provider details
- NPI number
- 1689865347
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 245507 (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
18 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
117 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 | 44 | $74 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 35 | $146 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 25 | $40 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 13 | $93 |
Typical Medicare-allowed amounts for these services range $40–$146 (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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$134 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
- 2007-08-07
- Last updated
- 2007-08-07
Frequently asked questions
- What is Andrea Hendrzak's NPI number?
- Andrea Hendrzak's National Provider Identifier (NPI) is 1689865347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Hendrzak's specialty?
- Andrea Hendrzak is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Andrea Hendrzak located?
- Andrea Hendrzak's practice location on file with NPPES is 37 Research Way, East Setauket, NY 11733-3465.
- What is Andrea Hendrzak's phone number?
- The practice phone number listed in the NPPES registry for Andrea Hendrzak is (631) 444-1279.
- Does Andrea Hendrzak accept Medicare?
- Andrea Hendrzak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Hendrzak's NPI active?
- Yes — Andrea Hendrzak's NPI (1689865347) is active in the NPPES registry as of the last update on 2007-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.