KAREN OTTENSTEIN MD
NPI 1083628382
Family Medicine in Westport, MA

Active since July 29, 2006Opted out of Medicare · through Jan 1, 2028
793 MAIN RD, WESTPORT, MA 02790(508) 636-7890(508) 636-7299 Get Directions Write a Review

NPPES record last updated: May 30, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Karen Ottenstein Md NPPES

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

KAREN OTTENSTEIN MD (NPI 1083628382) is an individual family medicine provider in Westport, Massachusetts, licensed in Maine (021409) and active in the NPI registry since July 2006. She has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1083628382
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameKAREN OTTENSTEINCredential: MD
Location Address793 MAIN RDWestport, MA 02790
Mailing Address793 Main RdWestport, MA 02790-4358 · (508) 636-7890 · Fax (508) 636-7299
Fax(508) 636-7299
Sole ProprietorNo
Enumeration DateJuly 29, 2006
Last NPPES UpdateMay 30, 2018
NPI 1083628382 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in ME · 021409
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
793 MAIN RD, Westport, MA 02790

Other Identifiers 1

Medicaid218430099ME

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Karen Ottenstein Md 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 January 1, 2018 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2018
Opt-Out In Effect ThroughJanuary 1, 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 02790 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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 2

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

Family Medicine
793 MAIN RD
WESTPORT, MA 02790
Family Medicine
793 MAIN RD
WESTPORT, MA 02790

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 Karen Ottenstein's NPI number?

The NPI number for Karen Ottenstein is 1083628382. It was assigned to this individual provider in the NPPES registry on July 29, 2006.

Where is Karen Ottenstein located?

Karen Ottenstein practices at 793 Main Rd, Westport, MA 02790. The listed phone number is (508) 636-7890.

What is Karen Ottenstein's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Karen Ottenstein enrolled in Medicare?

No. Karen Ottenstein has opted out of Medicare through January 1, 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 Karen Ottenstein was last updated on May 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.