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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. PHILIP S. KOTSIOS M.D.
NPI 1306801493
Internal Medicine in Lowell, MA

Active since April 20, 2006PECOS Enrolled
817 MERRIMACK ST, LOWELL, MA 01854(978) 937-0500(978) 937-1254 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Philip S. Kotsios M.d. NPPES

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

DR. PHILIP S. KOTSIOS M.D. (NPI 1306801493) is an individual internal medicine provider in Lowell, Massachusetts, licensed in Massachusetts (48627) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306801493
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. PHILIP S. KOTSIOSCredential: M.D.
Location Address817 MERRIMACK STLowell, MA 01854-3571
Mailing Address817 Merrimack StLowell, MA 01854-3571 · (978) 937-0500 · Fax (978) 937-1254
Phone(978) 937-0500
Fax(978) 937-1254
Sole ProprietorNo
Enumeration DateApril 20, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1306801493 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 48627
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.
817 MERRIMACK ST, Lowell, MA 01854
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Other Identifiers 1

Medicaid0143448MA

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. Philip S. Kotsios 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01854 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DAVID CLARK MORLEY JR. MD
Orthopaedic Surgery
817 MERRIMACK ST
LOWELL, MA 01854
Middlesex County (978) 453-9345
JOHN CLARITY, D.P.M.
Podiatrist
817 MERRIMACK ST
LOWELL, MA 01854
Middlesex County (978) 452-0657
PRIME FOOT AND ANKLE, LLC
Podiatrist (Primary Podiatric Medicine)
817 MERRIMACK ST
LOWELL, MA 01854
Middlesex County (508) 667-8200
ADVANCED CENTER FOR PHYSICAL THERAPY LLC
Specialist
817 MERRIMACK ST, SUITE 1B
LOWELL, MA 01854
Middlesex County (978) 275-0040
DAVID C MORLEY JR MD PC
Orthopaedic Surgery
817 MERRIMACK ST
LOWELL, MA 01854
Middlesex County (978) 453-9345
LATA T. MUNDKUR MD
Clinic/Center (Primary Care)
817 MERRIMACK ST
LOWELL, MA 01854
Middlesex County (978) 452-0672
HERITAGE PARK ORTHOPEDICS
Orthopaedic Surgery
817 MERRIMACK ST
LOWELL, MA 01854
Middlesex County (978) 452-9914
JOHN CLARITY DPM
Clinic/Center (Podiatric)
817 MERRIMACK ST
LOWELL, MA 01854
Middlesex County (978) 452-0657

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 Philip Kotsios's NPI number?

The NPI number for Philip Kotsios is 1306801493. It was assigned to this individual provider in the NPPES registry on April 20, 2006.

Where is Philip Kotsios located?

Philip Kotsios practices at 817 Merrimack St, Lowell, MA 01854. The listed phone number is (978) 937-0500.

What is Philip Kotsios's specialty?

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

Is Philip Kotsios enrolled in Medicare?

Yes. Philip Kotsios is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Philip Kotsios was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.