Dr. Michael P. Wemhoff, MD

  • Rockford, IL
  • Neurosurgeon
NPI1083906838PAC ID3971804493
Medicare services, 2024
43
Medicare patients, 2024
78
Part D claims, 2024
95
Publications
9
Hospital affiliations
1
Practice address
1401 East State Street, Rockford, IL 61104
Practice phone
Call (815) 968-4400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UW Health SwedishAmerican Hospital

Hospital · Rockford, Illinois

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Dr. Michael P. Wemhoff is a neurosurgeon in Rockford, Illinois

Dr. Wemhoff practices at UW Health SwedishAmerican Hospital in Rockford, Illinois, part of University of Wisconsin Hospitals and Clinics Authority.

Dr. Wemhoff's NPI, 1083906838, was assigned on May 12, 2011. Dr. Wemhoff graduated from Loyola University of Chicago, Stritch School of Medicine in 2011. Dr. Wemhoff holds Illinois license 336.108017.

NPI and contact details
Medicare PAC ID
3971804493
NPI enumeration date
May 12, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(815) 968-4400
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
41
Medical school graduation
2011

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

Dr. Michael P. Wemhoff practices at UW Health SwedishAmerican Hospital in Rockford, Illinois

Dr. Wemhoff's primary practice is UW Health SwedishAmerican Hospital, at 1401 East State Street, Rockford, IL 61104 in Winnebago County. The practice phone is (815) 968-4400.

Source: Dmand AI Affiliation Data

Dr. Michael P. Wemhoff is affiliated with 2 sites of care and 2 medical groups

Dr. Wemhoff's primary practice is UW Health SwedishAmerican Hospital in Rockford, Illinois, part of University of Wisconsin Hospitals and Clinics Authority. The medical group on file is SwedishAmerican Medical Group. Dmand AI also links Dr. Wemhoff to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Wemhoff

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

Dmand AI tracks the EHR system at Dr. Michael P. Wemhoff's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wemhoff practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UW Health SwedishAmerican HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael P. Wemhoff is one of 303 neurosurgeons in Illinois

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

Specialties and state licenses

  • Neurological surgery, IllinoisPrimaryLicense 336.108017 · taxonomy 207T00000X

Neurosurgeons near Dr. Wemhoff

Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.

303neurosurgeons in Illinois
9neurosurgeons in Rockford

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Michael P. Wemhoff billed Medicare for 43 services in 2024

CMS data shows 43 Medicare services from Dr. Wemhoff across 2 procedure codes in 2024, all of them office visits, for 78 Medicare patients. Medicare paid $3,488 for them.

Medicare services, 202443
Medicare patients78
Paid by Medicare$3,488
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 1632024: 4374%
Surgery
2023: 1052024: 0100%

Where Dr. Wemhoff's Medicare services took place, 2024

  • In an office3172%
  • In a facility1228%

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

  • Dr. Wemhoff
  • Illinois median
Medicare services
43vs 18477% below
Medicare patients
78vs 14245% below
Part D claims
34vs 326% above

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

Dr. Wemhoff'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. Wemhoff

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

Dr. Michael P. Wemhoff treated 78 Medicare patients in 2024, average age 72

CMS counts 78 Medicare patients who saw Dr. Wemhoff in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high blood pressure, and 72% have arthritis. 24% 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. Wemhoff's median patient age at 66, with 55% women.

Medicare patients, 202478
Average age72
Average risk score1.43
Also on Medicaid24%

Dr. Wemhoff's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Wemhoff's Medicare patients by sex, 2024

  • Women4153%
  • Men3747%

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

  1. High blood pressure75%
  2. Arthritis72%
  3. High cholesterol69%
  4. Mood disorders41%
  5. Diabetes40%
  6. Anxiety33%
  7. Depression31%
  8. Ischemic heart disease26%

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

Dr. Wemhoff's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women55%
  • Men44%

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

Dr. Michael P. Wemhoff wrote 95 Medicare Part D claims in 2024

In 2024, Dr. Wemhoff wrote 95 Medicare Part D claims for 27 patients. 100% of them were for generic drugs. CMS names the drug for 34 of them, across 2 drugs with 11 or more claims each, at $264 in total drug cost. In 2023, CMS named 89 claims across 6 drugs.

Part D claims, 202495
Drugs named by CMS2
Total drug cost$264
Part D patients27

Dr. Wemhoff'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. Wemhoff's Part D claims, 2024

  • Opioids42%40 of 95 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: 892024: 3462%

Drugs named by CMS: 2 in 2024, 6 in 2023.

See all prescribing by Dr. Wemhoff

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. Michael P. Wemhoff ranks in the 62nd percentile for spinal fusion in Medicare

Dr. Wemhoff accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 64 procedures of spinal fusion by Dr. Wemhoff, more than 62% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Wemhoff ranks in Medicare procedure volume

Spinal fusion
62nd percentile64 procedures
Laminectomy or laminotomy (partial removal of spine bones)
49th percentile20 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Michael P. Wemhoff has 9 publications on record

Dmand AI links 9 papers to Dr. Wemhoff, published from 2015 to 2020. 2018 was the busiest year, with 4. The most frequent topics are Cranial Fossa, Posterior, Decompressive Craniectomy and Spinal Fusion. Dr. Wemhoff has published most often in Case Rep Neurol Med. Dr. Wemhoff's most frequent co-authors are Anand V. Germanwala, MD, Kevin Nakmun Swong, MD and Ryan Christopher Hofler, MD.

Papers9
Years published2015 to 2020

Dr. Wemhoff's papers by year, 2015 to 2020

Topics Dr. Wemhoff writes about most

  • Cranial Fossa, Posterior
  • Decompressive Craniectomy
  • Spinal Fusion

Dr. Wemhoff's most frequent co-authors

Recent publications by Dr. Wemhoff

See all 9 publications and co-authors

See who Dr. Wemhoff researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wemhoff works with, so you can find a warm path to the right neurosurgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Michael P. Wemhoff received $2,208 in industry payments from 2016 to 2024

CMS Open Payments shows 52 general payments to Dr. Wemhoff from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 97% of the total. Medtronic USA, Inc. paid the most, $982.

General payments to Dr. Wemhoff by program year, 2016 to 2024

General payments to Dr. Wemhoff by kind, 2016 to 2024

$2.2Kin total
  • Food and beverage$2,14897%
  • Travel and lodging$603%

Companies that paid Dr. Wemhoff the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Wemhoff

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

Dr. Michael P. Wemhoff graduated from Loyola University of Chicago, Stritch School of Medicine

Dr. Wemhoff graduated from Loyola University of Chicago, Stritch School of Medicine in 2011.

  1. Medical schoolLoyola University of Chicago, Stritch School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael P. Wemhoff'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)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 P. Wemhoff

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 P. Wemhoff's NPI number?

Dr. Michael P. Wemhoff's NPI number is 1083906838. It was assigned on May 12, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael P. Wemhoff?

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

Where does Dr. Michael P. Wemhoff practice?

Dr. Wemhoff practices at 1401 East State Street, Rockford, IL 61104. Dr. Wemhoff's primary practice is UW Health SwedishAmerican Hospital in Rockford, Illinois, part of University of Wisconsin Hospitals and Clinics Authority. Dmand AI also links Dr. Wemhoff to 1 group practice or clinic and 1 medical group.

What is Dr. Michael P. Wemhoff's office phone number?

The practice phone on file for Dr. Wemhoff is (815) 968-4400.

What is Dr. Michael P. Wemhoff's medical license number?

Dr. Wemhoff holds Illinois license 336.108017.

Which hospitals is Dr. Michael P. Wemhoff affiliated with?

Dr. Wemhoff practices at UW Health SwedishAmerican Hospital in Rockford, Illinois.

What medical group is Dr. Michael P. Wemhoff part of?

Dr. Wemhoff is linked to SwedishAmerican Medical Group. Dmand AI links Dr. Wemhoff to 1 more medical group.

Does Dr. Michael P. Wemhoff accept Medicare?

Yes. CMS data shows Dr. Wemhoff billed Medicare for 43 services in 2024, and Dr. Wemhoff accepts Medicare assignment.

How many Medicare patients does Dr. Michael P. Wemhoff see?

CMS counts 78 Medicare patients who saw Dr. Wemhoff in 2024, with an average age of 72.

What services does Dr. Michael P. Wemhoff bill to Medicare?

In 2024, Dr. Wemhoff's most billed Medicare services were office visit, new patient (99203) and office visit, established patient (99214).

Show 6 more questionsShow fewer questions

Where did Dr. Michael P. Wemhoff go to medical school?

Dr. Wemhoff graduated from Loyola University of Chicago, Stritch School of Medicine in 2011.

What drugs does Dr. Michael P. Wemhoff prescribe most?

In 2024 Medicare Part D data, Dr. Wemhoff's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Tramadol HCl.

Has Dr. Michael P. Wemhoff received payments from drug or device companies?

CMS Open Payments shows $2,208 in general payments to Dr. Wemhoff from 8 companies from 2016 to 2024. The largest total came from Medtronic USA, Inc.

How long has Dr. Michael P. Wemhoff been practicing?

Dr. Wemhoff graduated from medical school in 2011, 15 years ago.

Does Dr. Michael P. Wemhoff do research?

Dmand AI links 9 publications to Dr. Wemhoff, published from 2015 to 2020.

Who does Dr. Michael P. Wemhoff publish with?

Dr. Wemhoff's most frequent co-authors are Anand V. Germanwala, MD (4 shared papers), Kevin Nakmun Swong, MD (4 shared papers) and Ryan Christopher Hofler, MD (3 shared papers).

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