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STEFFEN M. FINKELSTEIN APRN
NPI 1659317998
Family Medicine - Sports Medicine in New Haven, CT

Active since June 22, 2006PECOS Enrolled
55 LOCK STREET, NEW HAVEN, CT 06520(203) 432-0076(203) 432-7289 Get Directions Write a Review

NPPES record last updated: December 29, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Steffen M. Finkelstein Aprn NPPES

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

STEFFEN M. FINKELSTEIN APRN (NPI 1659317998) is an individual sports medicine provider in New Haven, Connecticut, licensed in Connecticut (002058) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659317998
Entity TypeIndividualMale
Primary Taxonomy207QS0010X
Provider Legal NameSTEFFEN M. FINKELSTEINCredential: APRN
Location Address55 LOCK STREETNew Haven, CT 06520-8237
Mailing AddressPo Box 208237, 55 Lock StreetNew Haven, CT 06520-8237 · (203) 432-0076 · Fax (203) 432-7289
Phone(203) 432-0076
Fax(203) 432-7289
Sole ProprietorNo
Enumeration DateJune 22, 2006
Last NPPES UpdateDecember 29, 2010
✔ NPI 1659317998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Sports MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QS0010X
License✔ Licensed in CT · 002058
Definition
A family medicine physician that is trained to be responsible for continuous care in the field of sports medicine, not only for the enhancement of health and fitness, but also for the prevention of injury and illness. A sports medicine physician must have knowledge and experience in the promotion of wellness and the prevention of injury. Knowledge about special areas of medicine such as exercise physiology, biomechanics, nutrition, psychology, physical rehabilitation, epidemiology, physical evaluation, injuries (treatment and prevention and referral practice) and the role of exercise in promoting a healthy lifestyle are essential to the practice of sports medicine. The sports medicine physician requires special education to provide the knowledge to improve the health care of the individual engaged in physical exercise (sports) whether as an individual or in team participation.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 002058 (CT)
55 LOCK STREET, New Haven, CT 06520
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Other Identifiers 1

Medicare UPINP16900CT

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Steffen M. Finkelstein Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Steffen Finkelstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Yale University
Same address
Health Service
55 LOCK ST
New Haven, CT 06511
  • Reassigned Medicare billing, Connecticut enrollment
  • 149 clinicians in this Medicare group
NPI 1093862740 (203) 432-0076

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06520 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
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.

MOLLY MEYER APRN
Clinical Nurse Specialist (Oncology)
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
DR. SUSAN HALL FORSTER MD
Ophthalmology
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
DR. DAVID P FOX MD
Obstetrics & Gynecology
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
DR. DOROTHYANN J VAN RHIJN MD
Family Medicine
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
MRS. VANESSA LOUISE JEFFERSON MSN, C-ANP, CDE
Internal Medicine
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
DIANE M PAQUETTE APRN
Family Medicine (Adult Medicine)
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
MR. WILLIAM J. AQUILA PA
Physician Assistant
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
BARBARA I GULANSKI MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
55 LOCK STREET, DANA BUILDING - 3RD FLOOR
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076

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 Steffen Finkelstein's NPI number?

The NPI number for Steffen Finkelstein is 1659317998. It was assigned to this individual provider in the NPPES registry on June 22, 2006.

Where is Steffen Finkelstein located?

Steffen Finkelstein practices at 55 Lock Street, New Haven, CT 06520. The listed phone number is (203) 432-0076.

What is Steffen Finkelstein's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Sports Medicine, with taxonomy code 207QS0010X.

Is Steffen Finkelstein enrolled in Medicare?

Yes. Steffen Finkelstein is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Steffen Finkelstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steffen Finkelstein reassigns Medicare benefits to Yale University (New Haven, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steffen Finkelstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Steffen Finkelstein was last updated on December 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.