JOHN NIKOLAI
NPI 1124794821
Nurse Anesthetist, Certified Registered in Nashville, TN

Active since August 22, 2021Accepts Medicare Assignment
4230 HARDING PIKE, NASHVILLE, TN 37205(615) 385-3704 Get Directions Write a Review

NPPES record last updated: February 1, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 1, 2023, Dec 5, 2022, Aug 22, 2021 (3 updates tracked since 2021).

About John Nikolai NPPES

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

JOHN NIKOLAI (NPI 1124794821) is an individual nurse anesthetist, certified registered in Nashville, Tennessee, licensed in Tennessee (33158) and active in the NPI registry since August 2021. He is affiliated with Ascension Saint Thomas Hospital and is a graduate of Other (2022).

NPPES Registry Identity

NPI1124794821
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameJOHN NIKOLAI
Location Address4230 HARDING PIKENashville, TN 37205-2013
Mailing Address2134 Bayport AveOld Hickory, TN 37138-0609 · (615) 440-7684
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateAugust 22, 2021
Last NPPES UpdateFebruary 1, 20233 updates tracked since enumeration
NPPES CertifiedFebruary 1, 2023
NPI 1124794821 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License Licensed in TN · 33158
Definition

(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 216345 (TN)
4230 HARDING PIKE, Nashville, TN 37205

Accepted 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

John Nikolai 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 ID4385016096
PECOS Enrollment IDI20230206002879

Areas of Expertise CMS Part B claims 8

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.

Anesthesia for x-ray on heart vessels and chambers 01920
Anesthesia for X-ray on heart vessels and chambers is a process where medication is given to ensure you're comfortable and pain-free during the procedure. This allows doctors to clearly view your heart's structure and function, aiding in accurate diagnosis and treatment.
58 services58 patients
Anesthesia for procedure to assess heart electrical activity 00537
Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.
18 services18 patients
Anesthesia for x-ray or radiation therapy 01922
Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.
17 services17 patients
Anesthesia for x-ray on artery of neck or heart 01925
Anesthesia for an X-ray on the artery of your neck or heart ensures comfort during the procedure. It involves medication to numb or make you unconscious, so you don't feel pain. It's safe, monitored by professionals, and wears off after the procedure.
17 services17 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
16 services16 patients
Anesthesia for x-ray on artery of brain, heart, or chest 01926
Anesthesia is given before an x-ray of the brain, heart, or chest artery to ensure comfort and stillness. It helps to eliminate discomfort or pain during the procedure. It's administered by a trained professional, ensuring a safe and smooth procedure.
15 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Ascension Saint Thomas Hospital

Acute Care Hospitals · Nashville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440082
Location4220 Harding Rd, PO Box 380Nashville, TN 37205 · Davidson County
Emergency services Birthing friendly

Saint Thomas Hospital For Spinal Surgery

Acute Care Hospitals · Nashville, TN
OwnershipVoluntary non-profit - Other
CMS Certification Number440218
Location2011 Murphy AvenueNashville, TN 37203 · Davidson County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37205 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
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.

Nurse Anesthetist, Certified Registered
4230 HARDING PIKE, SUITE 435
NASHVILLE, TN 37205
Nurse Anesthetist, Certified Registered
4230 HARDING PIKE, SUITE 435
NASHVILLE, TN 37205
Nurse Practitioner (Psychiatric/Mental Health)
4230 HARDING PIKE, ST THOMAS MEDICAL PLAZA EAST, SUITE 707
NASHVILLE, TN 37205
Nurse Anesthetist, Certified Registered
4230 HARDING PIKE
NASHVILLE, TN 37205
Nurse Anesthetist, Certified Registered
4230 HARDING PIKE, SUITE 435
NASHVILLE, TN 37205
Social Worker
4230 HARDING PIKE
NASHVILLE, TN 37205
Pathology (Anatomic Pathology & Clinical Pathology)
4230 HARDING PIKE
NASHVILLE, TN 37205
Internal Medicine
4230 HARDING PIKE, SUITE 530
NASHVILLE, TN 37205

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 John Nikolai's NPI number?

The NPI number for John Nikolai is 1124794821. It was assigned to this individual provider in the NPPES registry on August 22, 2021.

Where is John Nikolai located?

John Nikolai practices at 4230 Harding Pike, Nashville, TN 37205. The listed phone number is (615) 385-3704.

What is John Nikolai's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is John Nikolai enrolled in Medicare?

Yes. John Nikolai 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 John Nikolai accept?

Health plans from Oscar Insurance Company list John Nikolai 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 John Nikolai affiliated with any hospitals?

According to CMS data, John Nikolai is affiliated with Ascension Saint Thomas Hospital and Saint Thomas Hospital For Spinal Surgery.

When was this NPI record last updated?

The NPPES record for John Nikolai was last updated on February 1, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.