CONSTANTINE YIACHOS M.D.
NPI 1063588127
Internal Medicine - Gastroenterology in Staten Island, NY

Active since November 28, 2006PECOS EnrolledAccepts Medicare Assignment
129 SLOSSON AVE, STATEN ISLAND, NY 10314(718) 720-5928(718) 720-6706 Get Directions Write a Review

NPPES record last updated: November 16, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Constantine Yiachos M.d. NPPES

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

CONSTANTINE YIACHOS M.D. (NPI 1063588127) is an individual gastroenterology provider in Staten Island, New York, licensed in New York (172409) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Richmond University Medical Center, and is a graduate of State University Of New York Downstate Medical Center (1985).

NPPES Registry Identity

NPI1063588127
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameCONSTANTINE YIACHOSCredential: M.D.
Location Address129 SLOSSON AVEStaten Island, NY 10314-2522
Mailing Address129 Slosson AveStaten Island, NY 10314-2522 · (718) 720-5928 · Fax (718) 720-6706
Fax(718) 720-6706
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 1985
Enumeration DateNovember 28, 2006
Last NPPES UpdateNovember 16, 2023
NPPES CertifiedNovember 16, 2023
NPI 1063588127 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in NY · 172409
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
129 SLOSSON AVE, Staten Island, NY 10314

Other Identifiers 11

Other100013461Medicare Railroad
OtherCY2409Atlantis
Other7838085Aetna
Other100109150502Americhoice
Other2C3244Healthnet
Other172409Hip
OtherOS121Oxford
Other0076533Ghi
Other169907Elderplan
Other78984Ghi Hmo
OtherCYO29F1510Empire Blue Cross Blue Shield

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Constantine Yiachos M.d. 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 ID2264500354
PECOS Enrollment IDI20081015000408
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.

Areas of Expertise CMS Part B claims 13

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
286 services245 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
115 services111 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
111 services111 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
38 services38 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
33 services33 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
31 services27 patients

Hospital Affiliations CMS Care Compare 2

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

Richmond University Medical Center

Acute Care Hospitals · Staten Island, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330028
Location355 Bard AvenueStaten Island, NY 10310 · Richmond County
Emergency services Birthing friendly

Staten Island University Hospital

Acute Care Hospitals · Staten Island, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330160
Location475 Seaview AvenueStaten Island, NY 10305 · Richmond County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10314 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.

Other Providers at the Same Location NPPES 5

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

Anesthesiology
129 SLOSSON AVE
STATEN ISLAND, NY 10314
Internal Medicine (Gastroenterology)
129 SLOSSON AVE
STATEN ISLAND, NY 10314
Specialist
129 SLOSSON AVE
STATEN ISLAND, NY 10314
Anesthesiology
129 SLOSSON AVE
STATEN ISLAND, NY 10314
Specialist
129 SLOSSON AVE
STATEN ISLAND, NY 10314

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 Constantine Yiachos's NPI number?

The NPI number for Constantine Yiachos is 1063588127. It was assigned to this individual provider in the NPPES registry on November 28, 2006.

Where is Constantine Yiachos located?

Constantine Yiachos practices at 129 Slosson Ave, Staten Island, NY 10314. The listed phone number is (718) 720-5928.

What is Constantine Yiachos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Constantine Yiachos enrolled in Medicare?

Yes. Constantine Yiachos 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.

Is Constantine Yiachos affiliated with any hospitals?

According to CMS data, Constantine Yiachos is affiliated with Richmond University Medical Center and Staten Island University Hospital.

When was this NPI record last updated?

The NPPES record for Constantine Yiachos was last updated on November 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.