Dr. James P. Chandler, MD
- Medicare services, 2024
- 220
- Medicare patients, 2024
- 145
- Part D claims, 2024
- 87
- MIPS score, 2024
- 95
- Hospital affiliations
- 6
- Practice address
- 675 N Saint Clair St Ste 19-100 Suite 19-100, Chicago, IL 60611
- Practice phone
- Call (312) 664-3278
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Medical Group
Multi-specialty group site · Chicago, Illinois
Find Dr. Chandler'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.
Dr. James P. Chandler is a neurosurgeon in Chicago, Illinois
Dr. Chandler practices at Northwestern Medical Group in Chicago, Illinois.
Dr. Chandler's NPI, 1881656411, was assigned on April 6, 2006. Dr. Chandler graduated from University of Maryland School of Medicine in 1990. Dr. Chandler holds Illinois license 036088087.
- NPI
- 1881656411NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335126952
- NPI enumeration date
- April 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 664-3278
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James P. Chandler practices at Northwestern Medical Group in Chicago, Illinois
Dr. Chandler's primary practice is Northwestern Medical Group, at 675 N Saint Clair St Ste 19-100 Suite 19-100, Chicago, IL 60611. The practice phone is (312) 664-3278.
- Northwestern Medical Group675 N Saint Clair St Ste 19-100 Suite 19-100, Chicago, IL 60611Phone(312) 664-3278
Source: Dmand AI Affiliation Data
Dr. James P. Chandler is affiliated with 7 sites of care and 1 medical group
Dr. Chandler's primary practice is Northwestern Medical Group in Chicago, Illinois. Dr. Chandler is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Chandler to 5 more hospitals, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. James P. Chandler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chandler practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medical Group | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James P. Chandler is one of 303 neurosurgeons in Illinois
Neurological surgery is Dr. Chandler's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Chandler is licensed in Illinois.
Specialties and state licenses
- Neurological surgery, IllinoisPrimary
Neurosurgeons near Dr. Chandler
Counts of neurosurgeons 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. James P. Chandler billed Medicare for 220 services in 2024
CMS data shows 220 Medicare services from Dr. Chandler across 5 procedure codes in 2024, for 145 Medicare patients. Medicare paid $28,463 for them.
Dr. Chandler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1612024: 1563%
- Surgery
- 2023: 972024: 6434%
Where Dr. Chandler's Medicare services took place, 2024
- In an office15671%
- In a facility6429%
Dr. Chandler compared with the Illinois median for neurosurgeons, 2024
- Dr. Chandler
- Illinois median
- Medicare services
- 220vs 18420% above
- Medicare patients
- 145vs 142Close to median
- Part D claims
- 72vs 322.3 times
Medians across 252 neurosurgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Chandler'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.
Need commercial claims for Dr. Chandler?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chandler and other neurosurgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James P. Chandler treated 145 Medicare patients in 2024, average age 72
CMS counts 145 Medicare patients who saw Dr. Chandler in 2024. The largest group is 65 to 74, with 71 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.43, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chandler's median patient age at 67, with 55% women.
Dr. Chandler's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chandler's Medicare patients by sex, 2024
- Women8861%
- Men5739%
Chronic conditions among Dr. Chandler's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis52%
- Cancer28%
- Ischemic heart disease28%
- Anxiety26%
- Diabetes25%
- Stroke or TIA24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chandler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James P. Chandler wrote 87 Medicare Part D claims in 2024
In 2024, Dr. Chandler wrote 87 Medicare Part D claims for 40 patients. 100% of them were for generic drugs. CMS names the drug for 72 of them, across 3 drugs with 11 or more claims each, at $815 in total drug cost. In 2023, CMS named 60 claims across 2 drugs.
Dr. Chandler'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 602024: 7220%
Drugs named by CMS: 3 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
Dr. James P. Chandler scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Chandler for performance year 2024, reported through an alternative payment model (APM). Dr. Chandler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chandler's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Laminectomy or laminotomy (partial removal of spine bones): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. James P. Chandler received $132 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Chandler from 1 drug or device company in 2022. Entertainment make up the largest share, 100% of the total. Zap Surgical Systems, Inc. paid the most, $132.
Companies that paid Dr. Chandler the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James P. Chandler graduated from University of Maryland School of Medicine
Dr. Chandler graduated from University of Maryland School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James P. Chandler'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 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)Medicare Part D Prescribers - 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. James P. Chandler
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. James P. Chandler's NPI number?
Dr. James P. Chandler's NPI number is 1881656411. It was assigned on April 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James P. Chandler?
Dr. James P. Chandler is a neurosurgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. James P. Chandler practice?
Dr. Chandler practices at 675 N Saint Clair St Ste 19-100 Suite 19-100, Chicago, IL 60611. Dr. Chandler's primary practice is Northwestern Medical Group in Chicago, Illinois. Dmand AI also links Dr. Chandler to 5 hospitals.
What is Dr. James P. Chandler's office phone number?
The practice phone on file for Dr. Chandler is (312) 664-3278.
What is Dr. James P. Chandler's medical license number?
Dr. Chandler holds Illinois license 036088087.
Which hospitals is Dr. James P. Chandler affiliated with?
Dr. Chandler is affiliated with Northwestern Memorial Hospital. Dmand AI links Dr. Chandler to 5 more hospitals.
What medical group is Dr. James P. Chandler part of?
Dr. Chandler is linked to Northwestern Medical Faculty Foundation.
Does Dr. James P. Chandler accept Medicare?
Yes. CMS data shows Dr. Chandler billed Medicare for 220 services in 2024, and Dr. Chandler accepts Medicare assignment.
What is Dr. James P. Chandler's MIPS score?
Dr. Chandler's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. James P. Chandler see?
CMS counts 145 Medicare patients who saw Dr. Chandler in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. James P. Chandler bill to Medicare?
In 2024, Dr. Chandler's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and surgery: brain, spine and nerves (61781).
Where did Dr. James P. Chandler go to medical school?
Dr. Chandler graduated from University of Maryland School of Medicine in 1990.
What drugs does Dr. James P. Chandler prescribe most?
In 2024 Medicare Part D data, Dr. Chandler's most prescribed drugs by claims were Levetiracetam, Dexamethasone and Meclizine HCl.
Has Dr. James P. Chandler received payments from drug or device companies?
CMS Open Payments shows $132 in general payments to Dr. Chandler from 1 company from 2022 to 2022. The largest total came from Zap Surgical Systems, Inc.
How long has Dr. James P. Chandler been practicing?
Dr. Chandler graduated from medical school in 1990, 36 years ago.
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