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NICHOLAS WALER MD
NPI 1265938294
Anesthesiology in Columbus, OH

Active since March 30, 2018PECOS EnrolledAccepts Medicare Assignment
93.08/100
CMS Quality Rating
520 W 10TH AVE, COLUMBUS, OH 43210(614) 293-8487(614) 293-8153 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 20, 2023, May 27, 2020, Mar 30, 2018 (3 updates tracked since 2018).

About Nicholas Waler Md NPPES

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

NICHOLAS WALER MD (NPI 1265938294) is an individual anesthesiology provider in Columbus, Ohio, licensed in Ohio (35.155996) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1265938294
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameNICHOLAS WALERCredential: MD
Location Address520 W 10TH AVEColumbus, OH 43210-1328
Mailing Address700 Ackerman Rd Ste 2120Columbus, OH 43202-1559 · (614) 293-8487 · Fax (614) 293-8153
Phone(614) 293-8487
Fax(614) 293-8153
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 30, 2018
Last NPPES UpdateJune 26, 20263 updates tracked since enumeration
NPPES CertifiedJune 26, 2026
✔ NPI 1265938294 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in OH · 35.155996✔ Licensed in IL · 336.121323
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
520 W 10TH AVE, Columbus, OH 43210
Open in Google Maps ↗

Other Names 1

Other Name (5)Nico James Waler

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

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

Nicholas Waler 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 ID8921421835
PECOS Enrollment IDI20230330002984
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 Reassignments

2

Medicare enrollment records show Nicholas Waler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Osu Observation Medicine, LLC
0.2 mi
Anesthesiology
410 W 10TH AVE
Columbus, OH 43210
  • Reassigned Medicare billing, Ohio enrollment
  • 551 clinicians in this Medicare group
NPI 1407095052 (614) 293-8487
Endeavor Health Medical Group
282 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

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 7

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 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.
15 services15 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
15 services15 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
15 services15 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
14 services14 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
14 services14 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.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140010
Location2650 Ridge AveEvanston, IL 60201 · Cook County
Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140114
Location5145 N California AveChicago, IL 60625 · Cook County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.79
Promoting Interoperability100
Improvement Activities40

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.

SARON CHECKOLE DO
Emergency Medicine
520 W 10TH AVE
COLUMBUS, OH 43210
Franklin County (614) 293-8305
LUCAS GILFILLAN APRN-CNP
Nurse Practitioner
520 W 10TH AVE
COLUMBUS, OH 43210
Franklin County (614) 293-4969
ABISHA ALI PA-C
Physician Assistant
520 W 10TH AVE
COLUMBUS, OH 43210
Franklin County (614) 293-4969
DESTANY MARTIN
Registered Nurse
520 W 10TH AVE
COLUMBUS, OH 43210
Franklin County (614) 292-8000
CHARLES B. MCCOMBS MD
Emergency Medicine
520 W 10TH AVE
COLUMBUS, OH 43210
Franklin County (614) 293-8300
KELLY DURKIN RN
Registered Nurse (Case Management)
520 W 10TH AVE
COLUMBUS, OH 43210
Franklin County (330) 280-6969
BAILEY LYNN DROSSMAN PA-C
Physician Assistant
520 W 10TH AVE
COLUMBUS, OH 43210
Franklin County (614) 293-4854
MICHAEL JAMES WERT
Internal Medicine (Pulmonary Disease)
520 W 10TH AVE
COLUMBUS, OH 43210
Franklin County (614) 293-4925

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 Nicholas Waler's NPI number?

The NPI number for Nicholas Waler is 1265938294. It was assigned to this individual provider in the NPPES registry on March 30, 2018. The provider is also known as Nico James Waler.

Where is Nicholas Waler located?

Nicholas Waler practices at 520 W 10th Ave, Columbus, OH 43210. The listed phone number is (614) 293-8487.

What is Nicholas Waler's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Nicholas Waler enrolled in Medicare?

Yes. Nicholas Waler 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 organizations bill Medicare for Nicholas Waler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Waler reassigns Medicare benefits to 2 organizations: Osu Observation Medicine, LLC (Columbus, OH) and Endeavor Health Medical Group (Evanston, IL). Each 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 Nicholas Waler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Waler accept?

Health plans from CareSource list Nicholas Waler 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 Nicholas Waler affiliated with any hospitals?

According to CMS data, Nicholas Waler is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.

When was this NPI record last updated?

The NPPES record for Nicholas Waler was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.