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FREDERICK ROZENSHTEYN MD
NPI 1609309558
Internal Medicine - Gastroenterology in Stamford, CT

Active since April 07, 2017PECOS EnrolledAccepts Medicare Assignment
1351 WASHINGTON BLVD, STAMFORD, CT 06902(203) 276-8490 Get Directions Write a Review

NPPES record last updated: September 19, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Frederick Rozenshteyn Md NPPES

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

FREDERICK ROZENSHTEYN MD (NPI 1609309558) is an individual gastroenterology provider in Stamford, Connecticut, licensed in Connecticut (76935) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (2017).

NPPES Registry Identity

NPI1609309558
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameFREDERICK ROZENSHTEYNCredential: MD
Location Address1351 WASHINGTON BLVDStamford, CT 06902-2419
Mailing Address1351 Washington BlvdStamford, CT 06902-2419 · (203) 276-8490
Phone(203) 276-8490
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2017
Enumeration DateApril 7, 2017
Last NPPES UpdateSeptember 19, 2024
NPPES CertifiedSeptember 19, 2024
✔ NPI 1609309558 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CT · 76935
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1351 WASHINGTON BLVD, Stamford, CT 06902
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Frederick Rozenshteyn 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 ID446596746
PECOS Enrollment IDI20241022003969
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.

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
21 services15 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
20 services20 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.
16 services16 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06902 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

BRIANNA ROBINSON LCSW
Social Worker (Clinical)
1351 WASHINGTON BLVD
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 621-3700
DAISY MOJICA
Dental Hygienist
1351 WASHINGTON BLVD
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 621-3900
MRS. RACHEL TOMSKY LCSW
Social Worker (Clinical)
1351 WASHINGTON BLVD
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 621-3700
STAMFORD INTERNAL MEDICINE, PC
Internal Medicine
1351 WASHINGTON BLVD
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 322-9472
DR. MARIA PRIBIS O.D.
Optometrist
1351 WASHINGTON BLVD, SUITE 101
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 327-5808
ASHLEY ANN TELESCO LCSW
Social Worker (Clinical)
1351 WASHINGTON BLVD
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 388-1566
LATISHA ABIGAIL POLLARD MD
Student in an Organized Health Care Education/Training Program
1351 WASHINGTON BLVD
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 621-3700
TANIA WARYCHA LPC
Counselor (Professional)
1351 WASHINGTON BLVD
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 388-1659

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 Frederick Rozenshteyn's NPI number?

The NPI number for Frederick Rozenshteyn is 1609309558. It was assigned to this individual provider in the NPPES registry on April 7, 2017.

Where is Frederick Rozenshteyn located?

Frederick Rozenshteyn practices at 1351 Washington Blvd, Stamford, CT 06902. The listed phone number is (203) 276-8490.

What is Frederick Rozenshteyn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Frederick Rozenshteyn enrolled in Medicare?

Yes. Frederick Rozenshteyn 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.

When was this NPI record last updated?

The NPPES record for Frederick Rozenshteyn was last updated on September 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.