Dr. Michael Thomas Walsh, MD

  • Mchenry, IL
  • Neurosurgeon
NPI1922211788PAC ID2860547320
Medicare services, 2024
59
Medicare patients, 2024
70
MIPS score, 2024
95
Hospital affiliations
3
Industry payments
$543
Practice address
4201 Medical Center Drive, Mchenry, IL 60050
Practice phone
Call (815) 344-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Northwestern Medicine McHenry Hospital

Hospital · Mchenry, Illinois

See all 6 affiliations

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Dr. Michael Thomas Walsh is a neurosurgeon in Mchenry, Illinois

Dr. Walsh practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare.

Dr. Walsh's NPI, 1922211788, was assigned on May 8, 2007. Dr. Walsh graduated from Indiana University School of Medicine in 2001. Dr. Walsh holds Illinois license 36-123396.

NPI and contact details
Medicare PAC ID
2860547320
NPI enumeration date
May 8, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(815) 344-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
51
Medical school graduation
2001

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael Thomas Walsh practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois

Dr. Walsh's primary practice is Northwestern Medicine McHenry Hospital, at 4201 Medical Center Drive, Mchenry, IL 60050 in Mc Henry County. The practice phone is (815) 344-5000.

Source: Dmand AI Affiliation Data

Dr. Michael Thomas Walsh is affiliated with 3 sites of care and 3 medical groups

Dr. Walsh's primary practice is Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare. Dr. Walsh is also affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Walsh to 1 more hospital and 2 medical groups, each named with a free account.

See all 6 affiliations for Dr. Walsh

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Michael Thomas Walsh's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walsh practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwestern Medicine McHenry HospitalAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael Thomas Walsh is one of 303 neurosurgeons in Illinois

Neurological surgery is Dr. Walsh's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Walsh is licensed in Illinois.

Specialties and state licenses

  • Neurological surgery, IllinoisPrimaryLicense 36-123396 · taxonomy 207T00000X

Neurosurgeons near Dr. Walsh

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. Michael Thomas Walsh billed Medicare for 59 services in 2024

CMS data shows 59 Medicare services from Dr. Walsh across 4 procedure codes in 2024, for 70 Medicare patients. Medicare paid $7,669 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202459
Medicare patients70
Paid by Medicare$7,669
Procedure codes4

Dr. Walsh's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 112024: 30173%
Office and hospital visits
2023: 432024: 2933%

Dr. Walsh compared with the Illinois median for neurosurgeons, 2024

  • Dr. Walsh
  • Illinois median
Medicare services
59vs 18468% below
Medicare patients
70vs 14251% below

Medians across 252 neurosurgeons in Illinois with Dmand AI profiles that report each measure.

Dr. Walsh'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.

See all procedures by Dr. Walsh

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael Thomas Walsh treated 70 Medicare patients in 2024, average age 74

CMS counts 70 Medicare patients who saw Dr. Walsh in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.54, 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. Walsh's median patient age at 74, with 30% women.

Medicare patients, 202470
Average age74
Average risk score1.54

Dr. Walsh's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Walsh's Medicare patients by sex, 2024

  • Women3144%
  • Men3956%

Chronic conditions among Dr. Walsh's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis71%
  4. Stroke or TIA44%
  5. Mood disorders41%
  6. Anxiety40%
  7. Cancer37%
  8. Depression37%

Share of Medicare patients with each condition. A patient can have several.

Dr. Walsh's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women30%
  • Men70%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michael Thomas Walsh 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. Walsh for performance year 2024, reported through an alternative payment model (APM). Dr. Walsh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 92 procedures of spinal fusion by Dr. Walsh, more than 71% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Walsh'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.

Where Dr. Walsh ranks in Medicare procedure volume

Spinal fusion
71st percentile92 procedures
Laminectomy or laminotomy (partial removal of spine bones)
42nd percentile15 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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. Michael Thomas Walsh received $543 in industry payments from 2016 to 2025

CMS Open Payments shows 8 general payments to Dr. Walsh from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Nevro Corp. paid the most, $150. It also lists 1 research payment totaling $500 in 2024.

General payments to Dr. Walsh by program year, 2016 to 2025

Companies that paid Dr. Walsh the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Walsh

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michael Thomas Walsh graduated from Indiana University School of Medicine

Dr. Walsh graduated from Indiana University School of Medicine in 2001.

  1. Medical schoolIndiana University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael Thomas Walsh's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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 paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michael Thomas Walsh

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. Michael Thomas Walsh's NPI number?

Dr. Michael Thomas Walsh's NPI number is 1922211788. It was assigned on May 8, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Thomas Walsh?

Dr. Michael Thomas Walsh is a neurosurgeon in Mchenry, Illinois. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Michael Thomas Walsh practice?

Dr. Walsh practices at 4201 Medical Center Drive, Mchenry, IL 60050. Dr. Walsh's primary practice is Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Walsh to 1 hospital and 2 medical groups.

What is Dr. Michael Thomas Walsh's office phone number?

The practice phone on file for Dr. Walsh is (815) 344-5000.

What is Dr. Michael Thomas Walsh's medical license number?

Dr. Walsh holds Illinois license 36-123396.

Which hospitals is Dr. Michael Thomas Walsh affiliated with?

Dr. Walsh practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois. Dr. Walsh is also affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. Dmand AI links Dr. Walsh to 1 more hospital.

What medical group is Dr. Michael Thomas Walsh part of?

Dr. Walsh is linked to Northwestern Medical Faculty Foundation. Dmand AI links Dr. Walsh to 2 more medical groups.

Does Dr. Michael Thomas Walsh accept Medicare?

Yes. CMS data shows Dr. Walsh billed Medicare for 59 services in 2024, and Dr. Walsh accepts Medicare assignment.

What is Dr. Michael Thomas Walsh's MIPS score?

Dr. Walsh'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. Michael Thomas Walsh see?

CMS counts 70 Medicare patients who saw Dr. Walsh in 2024, with an average age of 74.

Show 4 more questionsShow fewer questions

What services does Dr. Michael Thomas Walsh bill to Medicare?

In 2024, Dr. Walsh's most billed Medicare services were medical service (69990), hospital inpatient care (99232) and surgery: brain, spine and nerves (61781).

Where did Dr. Michael Thomas Walsh go to medical school?

Dr. Walsh graduated from Indiana University School of Medicine in 2001.

Has Dr. Michael Thomas Walsh received payments from drug or device companies?

CMS Open Payments shows $543 in general payments to Dr. Walsh from 7 companies from 2016 to 2025. The largest total came from Nevro Corp.

How long has Dr. Michael Thomas Walsh been practicing?

Dr. Walsh graduated from medical school in 2001, 25 years ago.

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