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ELLEN N WOLFSON M.D.
NPI 1184795759
Internal Medicine in Cos Cob, CT

Active since November 13, 2006Opted out of Medicare · through May 11, 2028
35 RIVER ROAD, COS COB, CT 06807(203) 625-0333(203) 625-8331 Get Directions Write a Review

NPPES record last updated: April 26, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ellen N Wolfson M.d. NPPES

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

ELLEN N WOLFSON M.D. (NPI 1184795759) is an individual internal medicine provider in Cos Cob, Connecticut, licensed in Connecticut (025363) and active in the NPI registry since November 2006. She has opted out of Medicare through May 11, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1184795759
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameELLEN N WOLFSONCredential: M.D.
Location Address35 RIVER ROADCos Cob, CT 06807
Mailing Address35 River RoadCos Cob, CT 06807 · (203) 625-0333 · Fax (203) 625-8331
Phone(203) 625-0333
Fax(203) 625-8331
Sole ProprietorYes
Enumeration DateNovember 13, 2006
Last NPPES UpdateApril 26, 2012
✔ NPI 1184795759 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 · 025363
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.
35 RIVER ROAD, Cos Cob, CT 06807
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Other Identifiers 1

Medicare UPINB83925CT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Ellen N Wolfson M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from May 11, 2016 through May 11, 2028.

Opt-Out Effective DateMay 11, 2016
Opt-Out In Effect ThroughMay 11, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06807 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.

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 Ellen Wolfson's NPI number?

The NPI number for Ellen Wolfson is 1184795759. It was assigned to this individual provider in the NPPES registry on November 13, 2006.

Where is Ellen Wolfson located?

Ellen Wolfson practices at 35 River Road, Cos Cob, CT 06807. The listed phone number is (203) 625-0333.

What is Ellen Wolfson's specialty?

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

Is Ellen Wolfson enrolled in Medicare?

No. Ellen Wolfson has opted out of Medicare through May 11, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Ellen Wolfson was last updated on April 26, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.