1. Home
  2. Directory
  3. New York
  4. Brooklyn
  5. Specialist
  6. NPI Profile

DR. THOMAS N KOUTELOS INTERNAL MEDICINE
NPI 1679647465
Specialist in Brooklyn, NY

Active since November 20, 2006PECOS EnrolledAccepts Medicare Assignment
25 PLAZA ST W STE 1F, 421 78TH STREET BROOKLYN NY 11209, BROOKLYN, NY 11217(718) 622-1025(718) 622-0915 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Thomas N Koutelos Internal Medicine NPPES

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

DR. THOMAS N KOUTELOS INTERNAL MEDICINE (NPI 1679647465) is an individual specialist in Brooklyn, New York, licensed in New York (19052 1) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Putnam Hospital Center, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1679647465
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. THOMAS N KOUTELOSCredential: INTERNAL MEDICINE
Location Address25 PLAZA ST W STE 1F, 421 78TH STREET BROOKLYN NY 11209Brooklyn, NY 11217-3942
Mailing Address25 Plaza St W Ste 1f, 421 78th Street Brooklyn Ny 11209Brooklyn, NY 11217-3942 · (718) 622-1025 · Fax (718) 622-0915
Phone(718) 622-1025
Fax(718) 622-0915
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateNovember 20, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1679647465 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in NY · 19052 1
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
25 PLAZA ST W STE 1F, Brooklyn, NY 11217
Open in Google Maps ↗

Other Identifiers 10

Other6638812006NY · Cigna Ppo Hmo
Other190521NY · Hip Of Ny
OtherIC7375NY · Acs Healthnet Of Ne
Other5699985NY · Ghi
Medicaid01366774NY
OtherP809058NY · Oxford
Medicare UPINF42525NY
Other10L46NY · Empire Bc-bs
Medicare ID-Type Unspecified10L461
Other2023469NY · Aetna Hmo Ppo

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas N Koutelos Internal Medicine is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315121282
PECOS Enrollment IDI20110418000803
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.

Medicare Billing Reassignment

Medicare enrollment records show Thomas Koutelos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northern Medical Group, PLLC
56 mi
Internal Medicine
111 CLOCK TOWER CMNS
Brewster, NY 10509
  • Reassigned Medicare billing, New York enrollment
  • 39 clinicians in this Medicare group
NPI 1174994826 (845) 279-5187

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
18 services18 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
16 services16 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
14 services14 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
12 services12 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Putnam Hospital Center

Acute Care Hospitals · Carmel, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330273
Location670 Stoneleigh AvenueCarmel, NY 10512 · Putnam County
Emergency services Birthing friendly

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 Thomas Koutelos's NPI number?

The NPI number for Thomas Koutelos is 1679647465. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Where is Thomas Koutelos located?

Thomas Koutelos practices at 25 Plaza St W Ste 1F 421 78th Street Brooklyn Ny 11209, Brooklyn, NY 11217. The listed phone number is (718) 622-1025.

What is Thomas Koutelos's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Thomas Koutelos enrolled in Medicare?

Yes. Thomas Koutelos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Thomas Koutelos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Koutelos reassigns Medicare benefits to Northern Medical Group, PLLC (Brewster, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Koutelos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thomas Koutelos affiliated with any hospitals?

According to CMS data, Thomas Koutelos is affiliated with Putnam Hospital Center.

When was this NPI record last updated?

The NPPES record for Thomas Koutelos was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.