Dr. Nicholas Waler, MD
- Medicare services, 2024
- 96
- Medicare patients, 2024
- 251
- Part D claims, 2019
- 13
- MIPS score, 2024
- 85
- Hospital affiliations
- 2
- Practice address
- 2650 Ridge Ave, Evanston, IL 60201
- Practice phone
- Call (847) 570-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Nicholas Waler is an anesthesiologist in Evanston, Illinois
Dr. Waler practices at Evanston Hospital in Evanston, Illinois, part of Endeavor Health.
Dr. Waler's NPI, 1265938294, was assigned on March 30, 2018. Dr. Waler graduated from University of Miami, Lm Miller School of Medicine in 2018. Dr. Waler holds Illinois license 036161348.
- NPI
- 1265938294NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921421835
- NPI enumeration date
- March 30, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 570-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nicholas Waler practices at Evanston Hospital in Evanston, Illinois
Dr. Waler's primary practice is Evanston Hospital, at 2650 Ridge Ave, Evanston, IL 60201 in Cook County. The practice phone is (847) 570-2000.
- Evanston Hospital2650 Ridge Ave, Evanston, IL 60201 · Cook CountyPhone(847) 570-2000
Source: Dmand AI Affiliation Data
Dr. Nicholas Waler is affiliated with 2 sites of care and 2 medical groups
Dr. Waler's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. Dr. Waler is also affiliated with Swedish Hospital. The medical group on file is Endeavor Health Medical Group. Dmand AI also links Dr. Waler to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nicholas Waler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Waler practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Evanston Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nicholas Waler is one of 1,887 anesthesiologists in Illinois
Anesthesiology is Dr. Waler's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Waler is licensed in Illinois.
Specialties and state licenses
- Anesthesiology, IllinoisPrimary
Anesthesiologists near Dr. Waler
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nicholas Waler billed Medicare for 96 services in 2024
CMS data shows 96 Medicare services from Dr. Waler across 7 procedure codes in 2024, for 251 Medicare patients. Medicare paid $8,476 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Waler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 202024: 70250%
- Surgery
- 2023: 02024: 26
Dr. Waler compared with the Illinois median for anesthesiologists, 2024
- Dr. Waler
- Illinois median
- Medicare services
- 96vs 915% above
- Medicare patients
- 251vs 15760% above
- Part D claims
- 13vs 2650% below
Medians across 1,742 anesthesiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Waler's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Waler and other anesthesiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nicholas Waler treated 251 Medicare patients in 2024, average age 75
CMS counts 251 Medicare patients who saw Dr. Waler in 2024. The largest group is 65 to 74, with 104 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Waler's median patient age at 58, with 59% women.
Dr. Waler's Medicare patients by age, 2024
Dr. Waler's Medicare patients by sex, 2024
- Women12550%
- Men12650%
Chronic conditions among Dr. Waler's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Diabetes37%
- Ischemic heart disease37%
- Atrial fibrillation31%
- Chronic kidney disease30%
- Heart failure30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Waler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nicholas Waler wrote 13 Medicare Part D claims in 2019
In 2019, Dr. Waler wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $515 in total drug cost.
Dr. Waler's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Nicholas Waler scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Waler for performance year 2024, reported as part of a group. Dr. Waler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Waler's MIPS scores, performance year 2024
- 85of 100Final score
- 75.9of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Nicholas Waler received $25 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Waler from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $25.
Companies that paid Dr. Waler the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nicholas Waler graduated from University of Miami, Lm Miller School of Medicine
Dr. Waler graduated from University of Miami, Lm Miller School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nicholas Waler's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Nicholas Waler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Nicholas Waler's NPI number?
Dr. Nicholas Waler's NPI number is 1265938294. It was assigned on March 30, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas Waler?
Dr. Nicholas Waler is an anesthesiologist in Evanston, Illinois. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Nicholas Waler practice?
Dr. Waler practices at 2650 Ridge Ave, Evanston, IL 60201. Dr. Waler's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. Dmand AI also links Dr. Waler to 1 medical group.
What is Dr. Nicholas Waler's office phone number?
The practice phone on file for Dr. Waler is (847) 570-2000.
What is Dr. Nicholas Waler's medical license number?
Dr. Waler holds Illinois license 036161348.
Which hospitals is Dr. Nicholas Waler affiliated with?
Dr. Waler practices at Evanston Hospital in Evanston, Illinois. Dr. Waler is also affiliated with Swedish Hospital.
What medical group is Dr. Nicholas Waler part of?
Dr. Waler is linked to Endeavor Health Medical Group. Dmand AI links Dr. Waler to 1 more medical group.
Does Dr. Nicholas Waler accept Medicare?
Yes. CMS data shows Dr. Waler billed Medicare for 96 services in 2024, and Dr. Waler accepts Medicare assignment.
What is Dr. Nicholas Waler's MIPS score?
Dr. Waler's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. Nicholas Waler see?
CMS counts 251 Medicare patients who saw Dr. Waler in 2024, with an average age of 75.
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What services does Dr. Nicholas Waler bill to Medicare?
In 2024, Dr. Waler's most billed Medicare services were anesthesia (00731), anesthesia (00811) and surgery: heart and blood vessels (36620).
Where did Dr. Nicholas Waler go to medical school?
Dr. Waler graduated from University of Miami, Lm Miller School of Medicine in 2018.
What drugs does Dr. Nicholas Waler prescribe most?
In 2019 Medicare Part D data, Dr. Waler's most prescribed drugs by claims were Nitroglycerin.
Has Dr. Nicholas Waler received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Dr. Waler from 1 company from 2024 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Nicholas Waler been practicing?
Dr. Waler graduated from medical school in 2018, 8 years ago.
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