GWENDOLYN J MILLESEN (MD) – Emergency Medicine Physician, NPI 1619916657

GWENDOLYN J MILLESEN (MD) is a healthcare provider. based in Athens, Ohio. specializing in Emergency Medicine Physician. They hold the professional credentials MD. They hold a License No. 20341 (WV). The NPI Number for GWENDOLYN J MILLESEN (MD) is 1619916657

Main info

Female
Sole Proprietor
39 Years Of Experience
Accepts Medicare Assignment
Name
GWENDOLYN J MILLESEN (MD)
NPI
1619916657
Phone
(740) 594-8770
Address
27 UTAH PL
Enumeration Date
5 June 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
UNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Secondary Phone
7404464600
Graduation Year
1987 (39 years ago)
PAC ID
7911951314
Group Practice PAC ID
8729032966
Professional Enrollment ID
I20050322000005
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

Loading map...

Provider Addresses for GWENDOLYN J MILLESEN (MD)

  • 27, Utah Place, Sells Park, Athens, Athens Township, Athens County, Ohio, 45701, United States

    ATHENS, OH 457011458

    Phone: (740) 594-8770

    Type: Mailing

  • O’Bleness Hospital, 55, Hospital Drive, Athens, Athens County, Ohio, 45701, United States

    ATHENS, OH 457012302

    Phone: (740) 592-9349

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

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.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only10294$0
99285Emergency department visit with high level of medical decision making4747$0
99284Emergency department visit with moderate level of medical decision making3533$0
View full utilization report →

Insurance plans in this area (ZIP 45701)

Loading plans...

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: 8729032966View full group profile
NameSpecialtyState
Emergency MedicineOH
Mental Health CounselorWV
Emergency MedicineOH
-VA
Internal MedicineOH
Emergency MedicineSC
Internal MedicineMI
Nurse PractitionerOH
Mental Health CounselorWV
Internal Medicine, HospitalistOH

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What federal number belongs to GWENDOLYN J MILLESEN (MD)?
The federal identifier for GWENDOLYN J MILLESEN (MD) is NPI 1619916657.
Is GWENDOLYN J MILLESEN (MD)'s NPI currently valid?
The extract we use shows GWENDOLYN J MILLESEN (MD) as active.
What field does GWENDOLYN J MILLESEN (MD) work in?
You can think of GWENDOLYN J MILLESEN (MD) as practicing within Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
What location shows for GWENDOLYN J MILLESEN (MD)?
We surface Athens, Ohio for GWENDOLYN J MILLESEN (MD) based on available NPPES addresses.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

Similar Providers

DAVID GRANT JOHNSON (MD)

Emergency Medicine Physician
Holzer Clinic, 2131, East State Street, Athens County, Ohio, 45701, United States
NPI: 1235131848

SIVA R MURTHY (MD)

Emergency Medicine Physician
799 Farson St
NPI: 1104890920

ROBERT HOLM (DO)

Emergency Medicine Physician
90 JACKSON PIKE
NPI: 1689638041

CIPRIAN CRISMARU (MD)

Emergency Medicine Physician
601 State Route 664 N
NPI: 1043266190

JACQUELINE L. HEISER (D.O.)

Family Medicine Physician
265 W UNION ST STE A
NPI: 1962459941

GREGORY J. MICKUNAS (M.D.)

Emergency Medicine Physician
1106 Colegate Dr
NPI: 1225076458

BRIAN K RICHARDSON (MD)

Emergency Medicine Physician
799 Farson St
NPI: 1376586396

Access Care

Family Medicine Physician
59 Thacker Rd
NPI: 1962433177

NICOLE WADSWORTH (DO)

Emergency Medicine Physician
7123, Pearl Road, Southland, Middleburg Heights, Cuyahoga County, Ohio, 44130, United States
NPI: 1487677290