HOLLY OEMKE MADARASH
NPI 1619844776
Physician Assistant in Greenwich, CT

Q: What is Holly Oemke Madarash's NPI number?

The NPI number for Holly Oemke Madarash is 1619844776. It was assigned to this individual provider in the NPPES registry on October 22, 2025. The provider is also known as Holly Oemke.

Q: What is Holly Oemke Madarash's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Active since October 22, 2025PECOS Enrolled

5 PERRYRIDGE RD, GREENWICH, CT 06830(203) 863-3000 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Holly Oemke Madarash NPPES

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

HOLLY OEMKE MADARASH (NPI 1619844776) is an individual physician assistant in Greenwich, Connecticut, licensed in Connecticut (7344) and active in the NPI registry since October 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1619844776

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameHOLLY OEMKE MADARASH

Location Address5 PERRYRIDGE RDGreenwich, CT 06830-4697

Mailing Address1 Pace PlzNew York, NY 10038-1598

Phone(203) 863-3000

Sole ProprietorYes

Medical School CMSOtherGraduated 2025

Enumeration DateOctober 22, 2025

NPPES CertifiedOctober 22, 2025

✔ NPI 1619844776 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in CT · 7344

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

5 PERRYRIDGE RD, Greenwich, CT 06830

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Other Names 1

Former Name (1)Holly Oemke

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Holly Oemke Madarash is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9133699028

PECOS Enrollment IDI20260601003673

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06830 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

$75.55 typical visit price

range $19.76 – $149.26

Typical copayment $18.88 (range $4.94 – $37.31)

Most-billed visit code 99213

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.

ZARA NADIA ILAHI MD

Pediatrics (Neonatal-Perinatal Medicine)

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3000

SARAH STAMPER M.D.

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD, MEDICAL EDUCATION
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3409

JUNE EVELYN JEON MD

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3000

ARIANA DOMINICUS PA-C

Physician Assistant

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3000

ERIC LI-MING HUANG BSC, PHARMD

Pharmacist (Pharmacotherapy)

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3199

ROSEMARY PERLEY-KWAUK CRNA

Nurse Anesthetist, Certified Registered

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 661-5330

DR. FRANCISCO J BREA MD

Anesthesiology

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 661-5330

ANNE YAN TING CHUA MBBS

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3409

JOHN TENBUSCH LCSW

Social Worker (Clinical)

5 PERRYRIDGE RD, ARC 3RD FLOOR
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3570

DR. STEVEN SMITH M.D.

Internal Medicine

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3911

PATRICK JOSEPH KENNEDY MD

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3911

DR. SABITHA RAJAN M.D.

Hospitalist

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3685

BARBARA CYNTHIA NG MD

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (514) 995-7710

SARAH ESAA M.D.

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3911

JACLYN SUZANNE PORCO

Registered Nurse

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (212) 746-2959

GRANT J RIEW MD

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3922

ERIC J DIAMOND M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

5 PERRYRIDGE RD, PATHOLOGY DEPARTMENT
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3061

DR. HALLEY MARISA HINDMAN D.O.

Radiology (Diagnostic Radiology)

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3409

CHRISTOPHER MILLER APRN

Nurse Practitioner (Acute Care)

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3000

GEETALI MOHAN M.D

Internal Medicine

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3000

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 Holly Oemke Madarash's NPI number?

The NPI number for Holly Oemke Madarash is 1619844776. It was assigned to this individual provider in the NPPES registry on October 22, 2025. The provider is also known as Holly Oemke.

Where is Holly Oemke Madarash located?

Holly Oemke Madarash practices at 5 Perryridge Rd, Greenwich, CT 06830. The listed phone number is (203) 863-3000.

What is Holly Oemke Madarash's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Holly Oemke Madarash enrolled in Medicare?

Yes. Holly Oemke Madarash is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Holly Oemke Madarash was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.