James Nicholas Maher
- Medicare services, 2024
- 366
- Medicare patients, 2024
- 353
- Hospital affiliations
- 1
- Industry payments
- $58
- Medical group
- 1
- Practice address
- 99 Beauvoir Avenue, Summit, NJ 07901
- Practice phone
- Call (908) 522-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find James Maher's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
James Nicholas Maher is an anesthesiologist in Summit, New Jersey
James Maher practices at Overlook Medical Center in Summit, New Jersey, part of Atlantic Health System.
James Maher's NPI, 1134626237, was assigned on April 6, 2018. James Maher holds New Jersey license 25MA11726800.
- NPI
- 1134626237NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597001537
- NPI enumeration date
- April 6, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (908) 522-2000
- 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)
James Nicholas Maher practices at Overlook Medical Center in Summit, New Jersey
James Maher's primary practice is Overlook Medical Center, at 99 Beauvoir Avenue, Summit, NJ 07901 in Union County. The practice phone is (908) 522-2000.
- Overlook Medical Center99 Beauvoir Avenue, Summit, NJ 07901 · Union CountyPhone(908) 522-2000
Source: Dmand AI Affiliation Data
James Nicholas Maher is affiliated with 1 site of care and 1 medical group
James Maher's primary practice is Overlook Medical Center in Summit, New Jersey, part of Atlantic Health System. The medical group on file is North American Partners in Anesthesia (NAPA).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at James Nicholas Maher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Maher practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Overlook Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Atlantic Health System and 6.2K+ hospitals, with verified contacts in the same login.
James Nicholas Maher is one of 1,613 anesthesiologists in New Jersey
Anesthesiology is James Maher's primary specialty in the NPI Registry, under taxonomy code 207L00000X. James Maher is licensed in New Jersey.
Specialties and state licenses
- Anesthesiology, New JerseyPrimary
Anesthesiologists near James Maher
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
James Nicholas Maher billed Medicare for 366 services in 2024
CMS data shows 366 Medicare services from James Maher across 12 procedure codes in 2024, for 353 Medicare patients. Medicare paid $41,434 for them. Every service was in a facility, such as a hospital, rather than an office.
James Maher's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 492024: 216341%
- Surgery
- 2023: 492024: 150206%
James Maher compared with the New Jersey median for anesthesiologists, 2024
- James Maher
- New Jersey median
- Medicare services
- 366vs 924.0 times
- Medicare patients
- 353vs 1692.1 times
Medians across 1,604 anesthesiologists in New Jersey with Dmand AI profiles that report each measure.
James Maher'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 James Maher and other anesthesiologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
James Nicholas Maher treated 353 Medicare patients in 2024, average age 76
CMS counts 353 Medicare patients who saw James Maher in 2024. The largest group is 65 to 74, with 156 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts James Maher's median patient age at 62, with 52% women.
James Maher's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
James Maher's Medicare patients by sex, 2024
- Women21461%
- Men13939%
Chronic conditions among James Maher's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis73%
- Diabetes35%
- Ischemic heart disease35%
- Anxiety29%
- Mood disorders28%
- Osteoporosis27%
Share of Medicare patients with each condition. A patient can have several.
James Maher'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
- Women52%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How James Nicholas Maher takes part in Medicare
James Maher accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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James Nicholas Maher received $58 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to James Maher from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $58.
General payments to James Maher by program year, 2024 to 2025
Companies that paid James Maher the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for James Nicholas Maher'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 James Nicholas Maher
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James Nicholas Maher's NPI number?
James Nicholas Maher's NPI number is 1134626237. It was assigned on April 6, 2018, and it is active in the NPI Registry.
What does James Nicholas Maher specialize in?
James Nicholas Maher is an anesthesiologist in Summit, New Jersey. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does James Nicholas Maher practice?
James Maher practices at 99 Beauvoir Avenue, Summit, NJ 07901. James Maher's primary practice is Overlook Medical Center in Summit, New Jersey, part of Atlantic Health System.
What is James Nicholas Maher's office phone number?
The practice phone on file for James Maher is (908) 522-2000.
What is James Nicholas Maher's medical license number?
James Maher holds New Jersey license 25MA11726800.
Which hospitals is James Nicholas Maher affiliated with?
James Maher practices at Overlook Medical Center in Summit, New Jersey.
What medical group is James Nicholas Maher part of?
James Maher is linked to North American Partners in Anesthesia (NAPA).
Does James Nicholas Maher accept Medicare?
Yes. CMS data shows James Maher billed Medicare for 366 services in 2024, and James Maher accepts Medicare assignment.
How many Medicare patients does James Nicholas Maher see?
CMS counts 353 Medicare patients who saw James Maher in 2024, with an average age of 76.
What services does James Nicholas Maher bill to Medicare?
In 2024, James Maher's most billed Medicare services were surgery: brain, spine and nerves (64447), anesthesia (01402) and anesthesia (01214).
Has James Nicholas Maher received payments from drug or device companies?
CMS Open Payments shows $58 in general payments to James Maher from 1 company from 2024 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has James Nicholas Maher been practicing?
James Maher graduated from medical school in 2018, 8 years ago.
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