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DR. REBECCA LIPTON WARKOL MD
NPI 1184820110
Internal Medicine in Old Greenwich, CT

Active since June 26, 2007PECOS EnrolledAccepts Medicare Assignment
8 W END AVE, OLD GREENWICH, CT 06870(203) 637-5406(203) 637-5408 Get Directions Write a Review

NPPES record last updated: August 21, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Rebecca Lipton Warkol Md NPPES

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

DR. REBECCA LIPTON WARKOL MD (NPI 1184820110) is an individual internal medicine provider in Old Greenwich, Connecticut, licensed in Connecticut (045522) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS and is a graduate of New York Medical College (2003).

NPPES Registry Identity

NPI1184820110
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. REBECCA LIPTON WARKOLCredential: MD
Location Address8 W END AVEOld Greenwich, CT 06870-1642
Mailing Address8 W End AveOld Greenwich, CT 06870-1642 · (203) 637-5406 · Fax (203) 637-5408
Phone(203) 637-5406
Fax(203) 637-5408
Sole ProprietorYes
Medical School CMSNew York Medical CollegeGraduated 2003
Enumeration DateJune 26, 2007
Last NPPES UpdateAugust 21, 2024
NPPES CertifiedAugust 21, 2024
✔ NPI 1184820110 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CT · 045522✔ Licensed in NY · 241460-1
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
8 W END AVE, Old Greenwich, CT 06870
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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

Dr. Rebecca Lipton Warkol 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 ID2567555022
PECOS Enrollment IDI20070829000885
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 8

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.

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.
198 services106 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
164 services137 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.
153 services129 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.
127 services81 patients
Assessment of emotional or behavioral problems 96127
Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.
122 services122 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
36 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06870 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
69%464 patients4/55-star benchmark: 85%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
35%26 patients2/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
99%3,214 patients5/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
92%370 patients3/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
77%1,329 patients4/55-star benchmark: 97%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
51%1,276 patients3/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
97%1,329 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
80%1,329 patients4/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
60%1,329 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 19

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

MRS. COURTNEY LIEBOWITZ PA-C
Physician Assistant
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-3212
THERESE ANN BERNSTEIN APRN
Nurse Practitioner (Pediatrics)
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-3212
DR. MELANIE SHARON KELTON M.D.
Internal Medicine
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-5400
JENNIFER SARAH MILLMAN MD
Pediatrics
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-3212
DR. BURTON RICHARD RUBIN M.D.
Internal Medicine
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-5406
AMY KAPPELMAN M.D.
Pediatrics
8 W END AVE, GREENWICH PEDIATRIC ASSOCIATES
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-3212
FREDERICK E. SIEFERT, MD, PC
Internal Medicine
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-5406
REBECCA WARKOL MD LLC
Internal Medicine
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-5406

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 Rebecca Warkol's NPI number?

The NPI number for Rebecca Warkol is 1184820110. It was assigned to this individual provider in the NPPES registry on June 26, 2007.

Where is Rebecca Warkol located?

Rebecca Warkol practices at 8 W End Ave, Old Greenwich, CT 06870. The listed phone number is (203) 637-5406.

What is Rebecca Warkol's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Rebecca Warkol enrolled in Medicare?

Yes. Rebecca Warkol 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 Rebecca Warkol was last updated on August 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.