MRS. ELLEN A MARKSTEIN (MD) – Dermatology Physician, NPI 1659390797

MRS. ELLEN A MARKSTEIN (MD) is a healthcare provider. based in Clinton, Connecticut. specializing in Dermatology Physician. They hold the professional credentials MD. They hold a License No. CT034247 (CT). The NPI Number for MRS. ELLEN A MARKSTEIN (MD) is 1659390797

Main info

Female
35 Years Of Experience
Accepts Medicare Assignment
Name
MRS. ELLEN A MARKSTEIN (MD)
NPI
1659390797
Phone
(860) 669-6156
Address
8 EAST MAIN STREET
Enumeration Date
19 July 2006
Last Update Date
28 June 2010

Doctor Profile

Medical School Name
YALE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
9853707546
Graduation Year
1991 (35 years ago)
PAC ID
0446375554
Group Practice PAC ID
7416257381
Professional Enrollment ID
I20100913001177
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for MRS. ELLEN A MARKSTEIN (MD)

  • 8, East Main Street, Clinton, Lower Connecticut River Valley Planning Region, Connecticut, 06413, United States

    SUITE 101

    CLINTON, CT 064132058

    Phone: (860) 669-6156

    Fax: (860) 664-0285

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 06413)

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Provider's Procedures

MRS. ELLEN A MARKSTEIN (MD) performs procedures in Dermatology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
DERMATOLOGYCT11101Biopsy of each additional growth of skin and/or tissue8270
DERMATOLOGYCT17003Destruction of 2-14 skin growths447155

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7416257381View full group profile
NameSpecialtyState
DR. KENNETH JOSEPH MAIOCCO (M.D.)
-CT
IZABELA HORZEMPA (PA-C)
Physician AssistantFL
MRS. SHARON HENRIETTA BARRETT (MD)
-CT
DONNA BALDWIN COLQUHOUN (A.P.R.N.)
Nurse PractitionerCT
ELISHA E CHRISTIANSON (FNP)
Nurse PractitionerCT
DR. JEREMY ETHAN MOSS (M.D., PH.D.)
D E R M A T O L O G YCT
KATHERINE ELIZABETH FARNSWORTH (PA-C)
Physician AssistantCT

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Frequently asked questions

What unique ID ties claims to MRS. ELLEN A MARKSTEIN (MD)?
NPI 1659390797 is assigned to MRS. ELLEN A MARKSTEIN (MD) under the national enumeration system.
Does this profile mean MRS. ELLEN A MARKSTEIN (MD) is currently active?
Yes — MRS. ELLEN A MARKSTEIN (MD) appears active in the national provider directory.
Can you summarize MRS. ELLEN A MARKSTEIN (MD)'s specialty in plain language?
Clinically, the directory lists MRS. ELLEN A MARKSTEIN (MD) with Dermatology Physician. Clinical services aligned with this taxonomy classification.
Where does public data place MRS. ELLEN A MARKSTEIN (MD)?
The snapshot lists Clinton, Connecticut for MRS. ELLEN A MARKSTEIN (MD); download NPPES for the complete set.
What if Clinton, Connecticut seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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