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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. KATHERINE ROWAN MD
NPI 1205178969
Internal Medicine in West Islip, NY

Active since March 20, 2013PECOS Enrolled
631 MONTAUK HWY STE 1B, WEST ISLIP, NY 11795(631) 306-4607(631) 532-4924 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 28, 2026, Oct 31, 2022, Sep 28, 2022 (3 updates tracked since 2022).

About Dr. Katherine Rowan Md NPPES

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

DR. KATHERINE ROWAN MD (NPI 1205178969) is an individual internal medicine provider in West Islip, New York, licensed in New York (278179) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205178969
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. KATHERINE ROWANCredential: MD
Location Address631 MONTAUK HWY STE 1BWest Islip, NY 11795-4400
Mailing Address71 Washington StBabylon, NY 11702-1817 · (860) 985-1279 · Fax (631) 532-4924
Phone(631) 306-4607
Fax(631) 532-4924
Sole ProprietorNo
Enumeration DateMarch 20, 2013
Last NPPES UpdateJuly 28, 20263 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
✔ NPI 1205178969 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 278179
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.
631 MONTAUK HWY STE 1B, West Islip, NY 11795
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Katherine Rowan Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11795 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

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 Katherine Rowan's NPI number?

The NPI number for Katherine Rowan is 1205178969. It was assigned to this individual provider in the NPPES registry on March 20, 2013.

Where is Katherine Rowan located?

Katherine Rowan practices at 631 Montauk Hwy Ste 1B, West Islip, NY 11795. The listed phone number is (631) 306-4607.

What is Katherine Rowan's specialty?

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

Is Katherine Rowan enrolled in Medicare?

Yes. Katherine Rowan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Katherine Rowan was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.