RATNA B BASAK MD
NPI 1790100626
Pediatrics in Stony Brook, NY

Active since March 01, 2014PECOS Enrolled
100 NICOLLS RD, LEVEL 11, STONY BROOK, NY 11794(631) 444-7884(631) 444-8968 Get Directions Write a Review

NPPES record last updated: January 27, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ratna B Basak Md NPPES

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

RATNA B BASAK MD (NPI 1790100626) is an individual pediatrics provider in Stony Brook, New York, licensed in New York (276440) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790100626
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameRATNA B BASAKCredential: MD
Location Address100 NICOLLS RD, LEVEL 11Stony Brook, NY 11794-8111
Mailing Address100 Nicolls Rd, Level 11Stony Brook, NY 11794-8111 · (631) 444-7884 · Fax (631) 444-8968
Fax(631) 444-8968
Sole ProprietorYes
Enumeration DateMarch 1, 2014
Last NPPES UpdateJanuary 27, 2016
✔ NPI 1790100626 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NY · 276440
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
100 NICOLLS RD, Stony Brook, NY 11794

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ratna B Basak Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

4

Medicare enrollment records show Ratna Basak reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Specialty
15 PARK AVE
Bay Shore, NY 11706
  • Reassigned Medicare billing, New York enrollment
  • 395 clinicians in this Medicare group
General Acute Care Hospital
4500 PARSONS BLVD
Flushing, NY 11355
  • Reassigned Medicare billing, New York enrollment
  • 327 clinicians in this Medicare group
General Acute Care Hospital
1 BROOKDALE PLZ STE 666
Brooklyn, NY 11212
  • Reassigned Medicare billing, New York enrollment
  • 782 clinicians in this Medicare group
Internal Medicine
55 WATER ST FL 46
New York, NY 10041
  • Reassigned Medicare billing, New York enrollment
  • 79 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11794 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
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 20

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

Anesthesiology
100 NICOLLS RD, SUNY AT STONY BROOK - DEPARTMENT OF ANESTHESIOLOGY
STONY BROOK, NY 11794
Psychiatry & Neurology (Geriatric Psychiatry)
100 NICOLLS RD
STONY BROOK, NY 11794
Nurse Practitioner (Family)
100 NICOLLS RD
STONY BROOK, NY 11794
Student in an Organized Health Care Education/Training Program
100 NICOLLS RD
STONY BROOK, NY 11794
Internal Medicine
100 NICOLLS RD
STONY BROOK, NY 11794
Specialist/Technologist (Athletic Trainer)
100 NICOLLS RD
STONY BROOK, NY 11794
Physician Assistant
100 NICOLLS RD
STONY BROOK, NY 11794
Anesthesiology
100 NICOLLS RD, HEALTH SCIENCES CENTER L4-060 (Z8480)
STONY BROOK, NY 11794

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 Ratna Basak's NPI number?

The NPI number for Ratna Basak is 1790100626. It was assigned to this individual provider in the NPPES registry on March 1, 2014.

Where is Ratna Basak located?

Ratna Basak practices at 100 Nicolls Rd Level 11, Stony Brook, NY 11794. The listed phone number is (631) 444-7884.

What is Ratna Basak's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Ratna Basak enrolled in Medicare?

Yes. Ratna Basak is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ratna Basak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ratna Basak reassigns Medicare benefits to 4 organizations: Good Samaritan Hospital Medical Center (Bay Shore, NY), Flushing Hospital & Medical Center (Flushing, NY), Brookdale Hospital Medical Center (Brooklyn, NY) and Mjhs Medical Associates (New York, 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 Ratna Basak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ratna Basak was last updated on January 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.