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DR. WARREN RICHARD STEINBERG MD
NPI 1720113467
Internal Medicine in Westport, CT

Active since February 22, 2007PECOS EnrolledCLIA 07D0101939 · Microscopy
225 MAIN ST, WESTPORT, CT 06880(203) 222-9533(203) 222-1933 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Warren Richard Steinberg Md NPPES

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

DR. WARREN RICHARD STEINBERG MD (NPI 1720113467) is an individual internal medicine provider in Westport, Connecticut, licensed in Connecticut (20694) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through September 15, 2026, and is a graduate of State University Of Ny Upstate Medical University (1973).

NPPES Registry Identity

NPI1720113467
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WARREN RICHARD STEINBERGCredential: MD
Location Address225 MAIN STWestport, CT 06880-3216
Mailing Address225 Main StWestport, CT 06880-3216 · (203) 222-9533 · Fax (203) 222-1933
Phone(203) 222-9533
Fax(203) 222-1933
Sole ProprietorNo
Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 1973
Enumeration DateFebruary 22, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1720113467 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 20694
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.
225 MAIN ST, Westport, CT 06880
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINA44454CT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Warren Richard Steinberg Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5799942512
PECOS Enrollment IDI20120207000400
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 07D0101939

Warren R Steinberg MD · Westport, CT
Active · expires Sep 15, 2026
CLIA Number07D0101939
Laboratory TypePhysician Office
Certificate Effective DateSeptember 16, 2024
Certificate Expiration DateSeptember 15, 2026
Laboratory DirectorWarren R. Steinberg MD
Laboratory Phone(203) 222-9533
Laboratory LocationWarren R Steinberg MD225 Main Street Suite 202, Westport, CT 06880
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 13

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.
446 services164 patients
Insertion of needle into vein (3 years or older) 36410
This procedure involves placing a small needle into a vein, typically in the arm. It's done to collect blood for testing or to deliver medication. You may feel a quick pinch, but it's usually over in seconds. It's a common, safe procedure.
316 services155 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.
223 services129 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
161 services71 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
75 services74 patients
Manual urinalysis test with examination using microscope, non-automated 81000
A manual urinalysis test involves studying a urine sample under a microscope. This non-automated method helps identify any abnormal substances present. It's a useful tool for detecting potential health concerns early. The process is simple and non-invasive.
72 services43 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06880 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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Wheelchair accessory, headrest, cushioned, any type, including fixed mounting hardware, each E0955
DME-Wheelchairs · category DD021N
2 suppliers15 claims15 services$12.33 avg. paid by Medicare
Wheelchair accessory, manual swingaway, retractable or removable mounting hardware for joystick, other control interface or positioning accessory E1028
DME-Wheelchairs · category DD021N
2 suppliers15 claims15 services$11.65 avg. paid by Medicare
Manual adult size wheelchair, includes tilt in space E1161
DME-Wheelchairs · category DD000N
2 suppliers15 claims15 services$153.52 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 13

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

LADAN HAMD, MD LLC
Psychiatry & Neurology (Psychiatry)
225 MAIN ST
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 513-2642
DR. MARK S ROISMAN D.M.D.
Dentist
225 MAIN ST, SUITE #304
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 227-6338
REJUVENATING FERTILITY CENTER PLLC
Obstetrics & Gynecology (Reproductive Endocrinology)
225 MAIN ST
WESTPORT, CT 06880
Western Connecticut Planning Region (718) 801-9153
DR. ANNA PANKRATOV MD
Internal Medicine
225 MAIN ST, SUITE 101
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 222-0902
KANTOR AND RASSOW PARTNERSHIP
Chiropractor
225 MAIN ST, SUITE 204
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 226-7722
MRS. TREVOR CROW MA, MFT
Marriage & Family Therapist
225 MAIN ST
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 221-1155
DR. BARBARA F RASSOW DC CNM
Advanced Practice Midwife
225 MAIN ST, SUITE 204
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 226-7722
DR. JONATHAN S KANTOR DC
Chiropractor (Rehabilitation)
225 MAIN ST
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 226-7722

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 Warren Steinberg's NPI number?

The NPI number for Warren Steinberg is 1720113467. It was assigned to this individual provider in the NPPES registry on February 22, 2007.

Where is Warren Steinberg located?

Warren Steinberg practices at 225 Main St, Westport, CT 06880. The listed phone number is (203) 222-9533.

What is Warren Steinberg's specialty?

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

Is Warren Steinberg enrolled in Medicare?

Yes. Warren Steinberg is registered in the Medicare PECOS enrollment system.

Does Warren Steinberg hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 07D0101939) is associated with this NPI, valid through September 15, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Warren Steinberg was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.