Fluorescent DyesHead and Neck NeoplasmsLymphatic Metastasis
Dr. Nicholas John Oberhelman, MD
NPI1144965286
- Part D claims, 2024
- 82
- Publications
- 4
- Hospital affiliations
- 1
- Industry payments
- $3,054
- State license
- 1
- 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 John Oberhelman is an otolaryngologist in Evanston, Illinois
Dr. Oberhelman practices at Evanston Hospital in Evanston, Illinois, part of Endeavor Health.
Dr. Oberhelman's NPI, 1144965286, was assigned on May 3, 2022. Dr. Oberhelman holds Illinois license 125.079382.
NPI and contact details
- NPI
- 1144965286NPI Registry (opens in a new tab)
- NPI enumeration date
- May 3, 2022
- NPI status
- Active
- Practice phone
- (847) 570-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Nicholas John Oberhelman practices at Evanston Hospital in Evanston, Illinois
Dr. Oberhelman'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 John Oberhelman is affiliated with 1 site of care
Dr. Oberhelman's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nicholas John Oberhelman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oberhelman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Evanston Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nicholas John Oberhelman is one of 401 otolaryngologists in Illinois
Otolaryngology is Dr. Oberhelman's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Oberhelman is licensed in Illinois.
Specialties and state licenses
- Otolaryngology, IllinoisPrimary
Otolaryngologists near Dr. Oberhelman
Counts of otolaryngologists with a Dmand AI profile, by place and practice. Each opens the list.
401otolaryngologists in Illinois
6otolaryngologists in Evanston
5otolaryngologists at Evanston HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nicholas John Oberhelman's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Oberhelman's median patient age at 62, with 47% women.
Dr. Oberhelman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Nicholas John Oberhelman wrote 82 Medicare Part D claims in 2024
In 2024, Dr. Oberhelman wrote 82 Medicare Part D claims for 42 patients. 99% of them were for generic drugs. CMS names the drug for 27 of them, across 2 drugs with 11 or more claims each, at $260 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.
Part D claims, 202482
Drugs named by CMS2
Total drug cost$260
Part D patients42
Dr. Oberhelman's Part D claims by kind of drug, 2024
- Generic81 claims99%
- Brand-name and other1 claims1%
Dr. Oberhelman's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Oberhelman's Part D claims, 2024
- Opioids17%14 of 82 claims
- Antibiotics15%12 of 82 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 252024: 278%
Drugs named by CMS: 2 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Nicholas John Oberhelman has 4 publications on record
Dmand AI links 4 papers to Dr. Oberhelman, published from 2018 to 2019. 2018 was the busiest year, with 2. The most frequent topics are Head and Neck Neoplasms. Dr. Oberhelman's most frequent co-authors are Alexander Dimitrios Colevas, MD, Vasu Divi, MD and Michael Kaplan, MD.
Papers4
Years published2018 to 2019
Topics Dr. Oberhelman writes about most
- Head and Neck Neoplasms
Dr. Oberhelman's most frequent co-authors
- Alexander Dimitrios Colevas, MD3 shared papers
- Vasu Divi, MD3 shared papers
- Michael Kaplan, MD3 shared papers
Recent publications by Dr. Oberhelman
Antibodies, MonoclonalAntineoplastic Agents, ImmunologicalBenzenesulfonates
JAMA Otolaryngol Head Neck Surg
Oropharyngeal NeoplasmsRobotic Surgical Procedures
See who Dr. Oberhelman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Oberhelman works with, so you can find a warm path to the right otolaryngologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nicholas John Oberhelman received $3,054 in industry payments from 2023 to 2025
CMS Open Payments shows 27 general payments to Dr. Oberhelman from 4 drug and device companies from 2023 to 2025. Travel and lodging make up the largest share, 50% of the total. Inspire Medical Systems, Inc. paid the most, $2,551.
General payments to Dr. Oberhelman by program year, 2023 to 2025
General payments to Dr. Oberhelman by kind, 2023 to 2025
$3.1Kin total
- Travel and lodging$1,53150%
- Food and beverage$1,52350%
Companies that paid Dr. Oberhelman the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nicholas John Oberhelman'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 John Oberhelman
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 John Oberhelman's NPI number?
Dr. Nicholas John Oberhelman's NPI number is 1144965286. It was assigned on May 3, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas John Oberhelman?
Dr. Nicholas John Oberhelman is an otolaryngologist in Evanston, Illinois. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Nicholas John Oberhelman practice?
Dr. Oberhelman practices at 2650 Ridge Ave, Evanston, IL 60201. Dr. Oberhelman's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health.
What is Dr. Nicholas John Oberhelman's office phone number?
The practice phone on file for Dr. Oberhelman is (847) 570-2000.
What is Dr. Nicholas John Oberhelman's medical license number?
Dr. Oberhelman holds Illinois license 125.079382.
Which hospitals is Dr. Nicholas John Oberhelman affiliated with?
Dr. Oberhelman practices at Evanston Hospital in Evanston, Illinois.
What drugs does Dr. Nicholas John Oberhelman prescribe most?
In 2024 Medicare Part D data, Dr. Oberhelman's most prescribed drugs by claims were Famotidine and Azelastine HCl.
Has Dr. Nicholas John Oberhelman received payments from drug or device companies?
CMS Open Payments shows $3,054 in general payments to Dr. Oberhelman from 4 companies from 2023 to 2025. The largest total came from Inspire Medical Systems, Inc.
How long has Dr. Nicholas John Oberhelman been practicing?
Dr. Oberhelman's NPI was assigned in 2022.
Does Dr. Nicholas John Oberhelman do research?
Dmand AI links 4 publications to Dr. Oberhelman, published from 2018 to 2019.
Who does Dr. Nicholas John Oberhelman publish with?
Dr. Oberhelman's most frequent co-authors are Alexander Dimitrios Colevas, MD (3 shared papers), Vasu Divi, MD (3 shared papers) and Michael Kaplan, MD (3 shared papers).
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