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ROBERT I. RATTINER M.D.
NPI 1881738375
Internal Medicine - Cardiovascular Disease in Williston Park, NY

Active since February 16, 2007PECOS EnrolledAccepts Medicare Assignment
99 HILLSIDE AVENUE, SUITE T, WILLISTON PARK, NY 11596(516) 498-1965(516) 504-0235 Get Directions Write a Review

NPPES record last updated: June 23, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Robert I. Rattiner M.d. NPPES

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

ROBERT I. RATTINER M.D. (NPI 1881738375) is an individual cardiovascular disease provider in Williston Park, New York, licensed in New York (194753) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1991).

NPPES Registry Identity

NPI1881738375
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameROBERT I. RATTINERCredential: M.D.
Location Address99 HILLSIDE AVENUE, SUITE TWilliston Park, NY 11596
Mailing Address99 Hillside Avenue, Suite TWilliston Park, NY 11596 · (516) 498-1965 · Fax (516) 504-0235
Phone(516) 498-1965
Fax(516) 504-0235
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 1991
Enumeration DateFebruary 16, 2007
Last NPPES UpdateJune 23, 2014
✔ NPI 1881738375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in NY · 194753
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 194753 (NY)
99 HILLSIDE AVENUE, Williston Park, NY 11596
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Other Identifiers 3

Medicare ID-Type Unspecified35N951
Medicare UPING70913
Medicaid02116952NY

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

Robert I. Rattiner M.d. 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 ID7214115930
PECOS Enrollment IDI20110629000154
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 Reassignment

Medicare enrollment records show Robert Rattiner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Robert I Rattiner MD PLLC
Same address
Cardiovascular Disease
99 HILLSIDE AVENUE, SUITE T
Williston Park, NY 11596
  • Reassigned Medicare billing, New York enrollment
NPI 1962719310 (516) 498-1965

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 10

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
143 services68 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
85 services38 patients
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350
An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.
85 services44 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.
55 services21 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
40 services22 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
38 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11596 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

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

ROBERT I RATTINER MD PLLC
Internal Medicine (Cardiovascular Disease)
99 HILLSIDE AVENUE, SUITE T
WILLISTON PARK, NY 11596
Nassau County (516) 498-1965

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 Robert Rattiner's NPI number?

The NPI number for Robert Rattiner is 1881738375. It was assigned to this individual provider in the NPPES registry on February 16, 2007.

Where is Robert Rattiner located?

Robert Rattiner practices at 99 Hillside Avenue Suite T, Williston Park, NY 11596. The listed phone number is (516) 498-1965.

What is Robert Rattiner's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Robert Rattiner enrolled in Medicare?

Yes. Robert Rattiner 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 organization bills Medicare for Robert Rattiner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Rattiner reassigns Medicare benefits to Robert I Rattiner MD PLLC (Williston Park, NY). The 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 Robert Rattiner'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 Robert Rattiner was last updated on June 23, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.