Dr. Adam Mendel Sonabend Worthalter, MD
- Medicare services, 2024
- 159
- Medicare patients, 2024
- 91
- Part D claims, 2024
- 12
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Practice address
- 251 E Huron St, Chicago, IL 60611
- Practice phone
- Call (312) 926-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sonabend Worthalter'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. Adam Mendel Sonabend Worthalter is a neurosurgeon in Chicago, Illinois
Dr. Sonabend Worthalter practices at Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.
Dr. Sonabend Worthalter's NPI, 1023261138, was assigned on November 3, 2008. Dr. Sonabend Worthalter holds Illinois license 036143155.
- NPI
- 1023261138NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658675590
- NPI enumeration date
- November 3, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (312) 926-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Adam Mendel Sonabend Worthalter practices at Northwestern Memorial Hospital in Chicago, Illinois
Dr. Sonabend Worthalter's primary practice is Northwestern Memorial Hospital, at 251 E Huron St, Chicago, IL 60611 in Cook County. The practice phone is (312) 926-2000.
- Northwestern Memorial Hospital251 E Huron St, Chicago, IL 60611 · Cook CountyPhone(312) 926-2000
Source: Dmand AI Affiliation Data
Dr. Adam Mendel Sonabend Worthalter is affiliated with 3 sites of care and 2 medical groups
Dr. Sonabend Worthalter's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Sonabend Worthalter to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Adam Mendel Sonabend Worthalter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sonabend Worthalter practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Memorial Hospital | Available with a free account |
| +2 more sites and 1 medical group | 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 Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Adam Mendel Sonabend Worthalter is one of 303 neurosurgeons in Illinois
Neurological surgery is Dr. Sonabend Worthalter's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Sonabend Worthalter is board certified in neurological surgery by the American Board of Neurological Surgery. Dr. Sonabend Worthalter is licensed in Illinois.
Specialties and state licenses
- Neurological surgery, IllinoisPrimary
Neurosurgeons near Dr. Sonabend Worthalter
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. Adam Mendel Sonabend Worthalter billed Medicare for 159 services in 2024
CMS data shows 159 Medicare services from Dr. Sonabend Worthalter across 7 procedure codes in 2024, for 91 Medicare patients. Medicare paid $40,007 for them.
Dr. Sonabend Worthalter's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 312024: 86177%
- Office and hospital visits
- 2023: 462024: 7359%
Where Dr. Sonabend Worthalter's Medicare services took place, 2024
- In an office7346%
- In a facility8654%
Dr. Sonabend Worthalter compared with the Illinois median for neurosurgeons, 2024
- Dr. Sonabend Worthalter
- Illinois median
- Medicare services
- 159vs 18414% below
- Medicare patients
- 91vs 14236% below
Medians across 252 neurosurgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Sonabend Worthalter'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. Sonabend Worthalter?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sonabend Worthalter and other neurosurgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Adam Mendel Sonabend Worthalter treated 91 Medicare patients in 2024, average age 69
CMS counts 91 Medicare patients who saw Dr. Sonabend Worthalter in 2024. The largest group is 65 to 74, with 45 patients. 74% of them have high blood pressure, and 62% have high cholesterol. 16% are also on Medicaid. Their average risk score is 2.11, 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. Sonabend Worthalter's median patient age at 67, with 59% women.
Dr. Sonabend Worthalter's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sonabend Worthalter's Medicare patients by sex, 2024
- Women5662%
- Men3538%
Chronic conditions among Dr. Sonabend Worthalter's Medicare patients, 2024
- High blood pressure74%
- High cholesterol62%
- Arthritis38%
- Stroke or TIA38%
- Cancer36%
- Anxiety34%
- Mood disorders34%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sonabend Worthalter'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
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Adam Mendel Sonabend Worthalter wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Sonabend Worthalter wrote 12 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Adam Mendel Sonabend Worthalter 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. Sonabend Worthalter for performance year 2024, reported through an alternative payment model (APM). Dr. Sonabend Worthalter accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sonabend Worthalter as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Sonabend Worthalter'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.
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. Adam Mendel Sonabend Worthalter received $11,561 in industry payments from 2018 to 2024
CMS Open Payments shows 4 general payments to Dr. Sonabend Worthalter from 4 drug and device companies from 2018 to 2024. Consulting fees make up the largest share, 99% of the total. Abbvie Inc. paid the most, $10,500.
General payments to Dr. Sonabend Worthalter by program year, 2018 to 2024
General payments to Dr. Sonabend Worthalter by kind, 2018 to 2024
- Consulting fees$11,50099%
- Food and beverage$611%
Companies that paid Dr. Sonabend Worthalter the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Adam Mendel Sonabend Worthalter is board certified in neurological surgery
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. Adam Mendel Sonabend Worthalter'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 (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. Adam Mendel Sonabend Worthalter
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. Adam Mendel Sonabend Worthalter's NPI number?
Dr. Adam Mendel Sonabend Worthalter's NPI number is 1023261138. It was assigned on November 3, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Adam Mendel Sonabend Worthalter?
Dr. Adam Mendel Sonabend Worthalter is a neurosurgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Adam Mendel Sonabend Worthalter practice?
Dr. Sonabend Worthalter practices at 251 E Huron St, Chicago, IL 60611. Dr. Sonabend Worthalter's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Sonabend Worthalter to 2 group practices and clinics and 1 medical group.
What is Dr. Adam Mendel Sonabend Worthalter's office phone number?
The practice phone on file for Dr. Sonabend Worthalter is (312) 926-2000.
What is Dr. Adam Mendel Sonabend Worthalter's medical license number?
Dr. Sonabend Worthalter holds Illinois license 036143155.
Which hospitals is Dr. Adam Mendel Sonabend Worthalter affiliated with?
Dr. Sonabend Worthalter practices at Northwestern Memorial Hospital in Chicago, Illinois.
What medical group is Dr. Adam Mendel Sonabend Worthalter part of?
Dr. Sonabend Worthalter is linked to Northwestern Medical Faculty Foundation. Dmand AI links Dr. Sonabend Worthalter to 1 more medical group.
Does Dr. Adam Mendel Sonabend Worthalter accept Medicare?
Yes. CMS data shows Dr. Sonabend Worthalter billed Medicare for 159 services in 2024, and Dr. Sonabend Worthalter accepts Medicare assignment.
Does Dr. Adam Mendel Sonabend Worthalter offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sonabend Worthalter as offering telehealth services.
What is Dr. Adam Mendel Sonabend Worthalter's MIPS score?
Dr. Sonabend Worthalter's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Adam Mendel Sonabend Worthalter see?
CMS counts 91 Medicare patients who saw Dr. Sonabend Worthalter in 2024, with an average age of 69.
Is Dr. Adam Mendel Sonabend Worthalter board certified?
Yes. Dr. Sonabend Worthalter is board certified in neurological surgery by the American Board of Neurological Surgery.
What services does Dr. Adam Mendel Sonabend Worthalter bill to Medicare?
In 2024, Dr. Sonabend Worthalter's most billed Medicare services were office visit, established patient (99213), surgery: brain, spine and nerves (61797) and surgery: brain, spine and nerves (61781).
Has Dr. Adam Mendel Sonabend Worthalter received payments from drug or device companies?
CMS Open Payments shows $11,561 in general payments to Dr. Sonabend Worthalter from 4 companies from 2018 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Adam Mendel Sonabend Worthalter been practicing?
Dr. Sonabend Worthalter graduated from medical school in 2007, 19 years ago.
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