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DR. ELLEN OLARSCH NESTLER M.D.
NPI 1427060805
Internal Medicine in Hartford, CT

Active since August 13, 2006PECOS Enrolled
131 COVENTRY ST, BURGDORF CLINIC 2ND FLOOR - ADMINISTRATION, HARTFORD, CT 06112(860) 714-3690(860) 714-8683 Get Directions Write a Review

NPPES record last updated: July 29, 2010. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Ellen Olarsch Nestler M.d. NPPES

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

DR. ELLEN OLARSCH NESTLER M.D. (NPI 1427060805) is an individual internal medicine provider in Hartford, Connecticut, licensed in Connecticut (030865) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427060805
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ELLEN OLARSCH NESTLERCredential: M.D.
Location Address131 COVENTRY ST, BURGDORF CLINIC 2ND FLOOR - ADMINISTRATIONHartford, CT 06112-1548
Mailing Address131 Coventry St, Burgdorf Clinic 2nd Floor - AdministrationHartford, CT 06112-1548 · (860) 714-3690 · Fax (860) 714-8683
Phone(860) 714-3690
Fax(860) 714-8683
Sole ProprietorNo
Enumeration DateAugust 13, 2006
Last NPPES UpdateJuly 29, 2010
✔ NPI 1427060805 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 · 030865
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.
131 COVENTRY ST, Hartford, CT 06112
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Other Identifiers 2

Medicaid001308651CT
Medicare UPINF35616CT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ellen Olarsch Nestler M.d. 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 Ellen Nestler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Trinity Health Of New England Provider Network Organization Inc
1.8 mi
Internal Medicine
114 WOODLAND ST, SAINT FRANCIS MEDICAL GROUP INC.
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,186 clinicians in this Medicare group
NPI 1003882812 (860) 714-1325

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 06112 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.

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.

MS. EILEEN CALLAHAN FARRAR NURSE PRACTITIONER
Nurse Practitioner (Community Health)
131 COVENTRY ST, DISEASE PREVENTION&HEALTH PROMOTION
HARTFORD, CT 06112
Capitol Planning Region (860) 757-4830
ANJANA ELIZABETH ABRAHAM DO
Student in an Organized Health Care Education/Training Program
131 COVENTRY ST
HARTFORD, CT 06112
Capitol Planning Region (860) 714-3690
DR. BRUCE E. GOULD M.D.
Internal Medicine
131 COVENTRY ST, BURGDORF CLINIC - 2ND FLOOR
HARTFORD, CT 06112
Capitol Planning Region (860) 714-3690
MS. SUSAN MARY DEGENNARO APRN
Nurse Practitioner (Family)
131 COVENTRY ST
HARTFORD, CT 06112
Capitol Planning Region (860) 543-8820
ADNAN ZAIDI M.D.
Student in an Organized Health Care Education/Training Program
131 COVENTRY ST
HARTFORD, CT 06112
Capitol Planning Region (860) 714-2813
ALVARO JOSE AYALA MD
Internal Medicine (Infectious Disease)
131 COVENTRY ST
HARTFORD, CT 06112
Capitol Planning Region (860) 714-3690
DR. GRAEL O'BRIEN M.D.
Pediatrics (Adolescent Medicine)
131 COVENTRY ST, BURGDORF CLINIC - 2ND FLOOR ADMINISTRATION
HARTFORD, CT 06112
Capitol Planning Region (860) 714-3690
BURGDORF BANK OF AMERICA HEALTH CENTER
Clinic/Center (Primary Care)
131 COVENTRY ST, 2ND FLOOR ADMINISTRATION
HARTFORD, CT 06112
Capitol Planning Region (860) 714-2813

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 Nestler's NPI number?

The NPI number for Ellen Nestler is 1427060805. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Where is Ellen Nestler located?

Ellen Nestler practices at 131 Coventry St Burgdorf Clinic 2nd Floor - Administration, Hartford, CT 06112. The listed phone number is (860) 714-3690.

What is Ellen Nestler's specialty?

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

Is Ellen Nestler enrolled in Medicare?

Yes. Ellen Nestler is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ellen Nestler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Nestler reassigns Medicare benefits to Trinity Health Of New England Provider Network Organization Inc (Hartford, 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 Ellen Nestler'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 Ellen Nestler was last updated on July 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.