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

ERIN KAY TSAMBIKOS MD
NPI 1861985731
Internal Medicine - Gastroenterology in Oklahoma City, OK

Q: What is Erin Tsambikos's NPI number?

The NPI number for Erin Tsambikos is 1861985731. It was assigned to this individual provider in the NPPES registry on June 14, 2018.

Q: What is Erin Tsambikos's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Erin Tsambikos was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since June 14, 2018PECOS EnrolledAccepts Medicare Assignment

3300 NW EXPRESSWAY, OKLAHOMA CITY, OK 73112(405) 949-3011(405) 713-4957 Get Directions Write a Review

NPPES record last updated: September 4, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 4, 2026, Aug 13, 2024, Jun 14, 2018 (3 updates tracked since 2018).

On this page

About Erin Kay Tsambikos Md NPPES

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

ERIN KAY TSAMBIKOS MD (NPI 1861985731) is an individual gastroenterology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (33845) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Integris Baptist Medical Center, Inc, and is a graduate of University Of Oklahoma College Of Medicine (2018).

NPPES Registry Identity

NPI1861985731

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameERIN KAY TSAMBIKOSCredential: MD

Location Address3300 NW EXPRESSWAYOklahoma City, OK 73112-4418

Mailing Address3001 Quail Springs Pkwy Fl 5Oklahoma City, OK 73134-2640 · (405) 949-3011 · Fax (405) 713-4957

Phone(405) 949-3011

Fax(405) 713-4957

Sole ProprietorNo

Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 2018

Enumeration DateJune 14, 2018

Last NPPES UpdateSeptember 4, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 4, 2026

✔ NPI 1861985731 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 OK · 33845

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.

3300 NW EXPRESSWAY, Oklahoma City, OK 73112

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Other Identifiers 1

Medicaid390200000XOK

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, CommunityCare, Medica and more.Insurance ›

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

Erin Kay Tsambikos Md 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 ID2668919051

PECOS Enrollment IDI20240802001698

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 3

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

27 services27 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

16 services16 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Integris Baptist Medical Center, Inc

Acute Care Hospitals · Oklahoma City, OK

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370028

Location3300 Northwest ExpresswayOklahoma City, OK 73112 · Oklahoma County

Emergency services Birthing friendly

Integris Southwest Medical Center

Acute Care Hospitals · Oklahoma City, OK

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370106

Location4401 South Western AvenueOklahoma City, OK 73109 · Oklahoma County

Emergency services Birthing friendly

Integris Health Edmond Hospital

Acute Care Hospitals · Edmond, OK

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370236

Location4801 Integris ParkwayEdmond, OK 73034 · Oklahoma County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73112 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

$123.06 typical visit price

range $53.00 – $162.61

Typical copayment $30.76 (range $13.25 – $40.65)

Most-billed visit code 99204

Established Patient

$94.27 typical visit price

range $16.68 – $132.40

Typical copayment $23.56 (range $4.17 – $33.10)

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 20

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

MOLLY LYNN COLVARD DNP

Nurse Practitioner (Acute Care)

3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112

Oklahoma County (918) 698-4318

NORTHWEST ANESTHESIA PC

Anesthesiology

3300 NW EXPRESSWAY, 2ND FLOOR, DEPARTMENT OF ANESTHESIOLOGY
OKLAHOMA CITY, OK 73112

Oklahoma County (405) 951-2815

MRS. SARAH E HART PA-C

Physician Assistant

3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112

Oklahoma County (405) 949-3349

ANGELA M SCHRAG ARNP

Nurse Practitioner (Neonatal)

3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112

Oklahoma County (405) 949-3393

MICHAEL LOUIS BRUCE

Physical Therapy Assistant

3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112

Oklahoma County (405) 636-7087

MEGAN V MCFARLAND APRN

Nurse Practitioner (Pediatrics, Critical Care)

3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112

Oklahoma County (405) 949-4100

MYKENZIE RYAN MORRISON BSN-RN

Registered Nurse (Emergency)

3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112

Oklahoma County (405) 949-3011

JADE ELAINE HOGAN

Registered Nurse

3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112

Oklahoma County (530) 440-4187

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 Erin Tsambikos's NPI number?

The NPI number for Erin Tsambikos is 1861985731. It was assigned to this individual provider in the NPPES registry on June 14, 2018.

Where is Erin Tsambikos located?

Erin Tsambikos practices at 3300 NW Expressway, Oklahoma City, OK 73112. The listed phone number is (405) 949-3011.

What is Erin Tsambikos's specialty?

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

Is Erin Tsambikos enrolled in Medicare?

Yes. Erin Tsambikos 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.

What insurance does Erin Tsambikos accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare, Medica, Mending Health and UnitedHealthcare list Erin Tsambikos as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Erin Tsambikos affiliated with any hospitals?

According to CMS data, Erin Tsambikos is affiliated with Integris Baptist Medical Center, Inc, Integris Southwest Medical Center and Integris Health Edmond Hospital.

When was this NPI record last updated?

The NPPES record for Erin Tsambikos was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.