DR. AVA REGINA SIERECKI MD
NPI 1477796506
Obstetrics & Gynecology in Huntington, NY

Q: What is Ava Sierecki's NPI number?

The NPI number for Ava Sierecki is 1477796506. It was assigned to this individual provider in the NPPES registry on April 20, 2009.

Q: What is Ava Sierecki's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Ava Sierecki was last updated on June 5, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 20, 2009PECOS EnrolledAccepts Medicare Assignment

120 NEW YORK AVE, HUNTINGTON, NY 11743(631) 351-3766 Get Directions Write a Review

NPPES record last updated: June 5, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Ava Regina Sierecki Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. AVA REGINA SIERECKI MD (NPI 1477796506) is an individual obstetrics & gynecology provider in Huntington, New York, licensed in New York (253371) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1477796506

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameDR. AVA REGINA SIERECKICredential: MD

Location Address120 NEW YORK AVEHuntington, NY 11743-2743

Mailing Address120 New York AveHuntington, NY 11743-2743 · (631) 351-3766

Phone(631) 351-3766

Sole ProprietorYes

Medical School CMSOtherGraduated 2005

Enumeration DateApril 20, 2009

Last NPPES UpdateJune 5, 2009

✔ NPI 1477796506 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in NY · 253371

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

120 NEW YORK AVE, Huntington, NY 11743

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ava Regina Sierecki Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496808685

PECOS Enrollment IDI20090805000701

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Ava Sierecki reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

North Shore Medical Group Of The Mount Sinai School Of Medicine

2.1 mi

Gastroenterology

775 PARK AVE
Huntington, NY 11743

Reassigned Medicare billing, New York enrollment
572 clinicians in this Medicare group

NPI 1164623278 (631) 659-4400

Huntington Hospital Dolan Family Health Center

2.2 mi

Health Service

284 PULASKI RD
Greenlawn, NY 11740

Reassigned Medicare billing, New York enrollment
67 clinicians in this Medicare group

NPI 1578593588 (631) 425-5250

North Shore-Lij Medical PC

16 mi

Urology

1010 NORTHERN BLVD STE 110
Great Neck, NY 11021

Reassigned Medicare billing, New York enrollment
9,353 clinicians in this Medicare group

NPI 1053688572 (516) 321-7400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

121 services121 patients

Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091

A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.

109 services109 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

60 services54 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

21 services21 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330106

Location300 Community DriveManhasset, NY 11030 · Nassau County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11743 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$83.44 typical visit price

range $21.66 – $164.45

Typical copayment $20.86 (range $5.41 – $41.11)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CANDIDO FUENTES-FELIX PHYSICAN PC

Specialist

120 NEW YORK AVE, SUITE 1W
HUNTINGTON, NY 11743

Suffolk County (631) 385-9377

CYNTHIA A HOEY

Internal Medicine (Infectious Disease)

120 NEW YORK AVE, SUITE 5W
HUNTINGTON, NY 11743

Suffolk County (631) 423-9809

DR. CANDIDO E FUENTES MD

Specialist

120 NEW YORK AVE, 1W
HUNTINGTON, NY 11743

Suffolk County (631) 385-9377

DR. NINA NASREEN GREIF D.O.

Psychiatry & Neurology (Psychiatry)

120 NEW YORK AVE, STE 6W
HUNTINGTON, NY 11743

Suffolk County (516) 578-6104

DR. ANNE C SACKS-BERG M.D.

Internal Medicine (Hospice and Palliative Medicine)

120 NEW YORK AVE, SUITE 5W
HUNTINGTON, NY 11743

Suffolk County (631) 423-9809

DR. DONNA MARIE SCHNEIDER M.D.

Obstetrics & Gynecology

120 NEW YORK AVE
HUNTINGTON, NY 11743

Suffolk County (631) 351-3766

FUENTES COSMETIC FACILITY, INC.

Clinic/Center (Ambulatory Surgical)

120 NEW YORK AVE, STE. 1W
HUNTINGTON, NY 11743

Suffolk County (631) 385-9377

LONG ISLAND INFECTIOUS DISEASE ASSOCIATES, P.C.

Internal Medicine (Infectious Disease)

120 NEW YORK AVE, SUITE 5W
HUNTINGTON, NY 11743

Suffolk County (631) 423-9809

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ava Sierecki's NPI number?

The NPI number for Ava Sierecki is 1477796506. It was assigned to this individual provider in the NPPES registry on April 20, 2009.

Where is Ava Sierecki located?

Ava Sierecki practices at 120 New York Ave, Huntington, NY 11743. The listed phone number is (631) 351-3766.

What is Ava Sierecki's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Ava Sierecki enrolled in Medicare?

Yes. Ava Sierecki is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ava Sierecki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ava Sierecki reassigns Medicare benefits to 3 organizations: North Shore Medical Group Of The Mount Sinai School Of Medicine (Huntington, NY), Huntington Hospital Dolan Family Health Center (Greenlawn, NY) and North Shore-Lij Medical PC (Great Neck, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ava Sierecki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ava Sierecki affiliated with any hospitals?

According to CMS data, Ava Sierecki is affiliated with North Shore University Hospital.

When was this NPI record last updated?

The NPPES record for Ava Sierecki was last updated on June 5, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.