Dr. Raymond W. Grundmeyer III, MD

  • Wichita, KS
  • Neurosurgeon
NPI1346276961PAC ID4688588494
Medicare services, 2024
1,667
Medicare patients, 2024
749
Part D claims, 2024
740
Publications
5
MIPS score, 2024
86
Practice address
3333 North Webb Road, Wichita, KS 67226
Practice phone
Call (316) 462-5310
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Kansas Spine & Specialty Hospital

Hospital · Wichita, Kansas

See all 8 affiliations

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Dr. Raymond W. Grundmeyer III is a neurosurgeon in Wichita, Kansas

Dr. Grundmeyer practices at Kansas Spine & Specialty Hospital in Wichita, Kansas, part of Surgery Partners.

Dr. Grundmeyer's NPI, 1346276961, was assigned on June 24, 2006. Dr. Grundmeyer graduated from Un of California, Irvine, College of Medicine in 1994. Dr. Grundmeyer holds Kansas license 04-28686.

NPI and contact details
Medicare PAC ID
4688588494
NPI enumeration date
June 24, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(316) 462-5310
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
58
Medical school graduation
1994

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

Dr. Raymond W. Grundmeyer III practices at Kansas Spine & Specialty Hospital in Wichita, Kansas

Dr. Grundmeyer's primary practice is Kansas Spine & Specialty Hospital, at 3333 North Webb Road, Wichita, KS 67226 in Sedgwick County. The practice phone is (316) 462-5310.

Source: Dmand AI Affiliation Data

Dr. Raymond W. Grundmeyer III is affiliated with 7 sites of care and 1 medical group

Dr. Grundmeyer's primary practice is Kansas Spine & Specialty Hospital in Wichita, Kansas, part of Surgery Partners. Dr. Grundmeyer is also affiliated with Ascension Via Christi St. Francis. The medical group on file is Abay Neuroscience Center. Dmand AI also links Dr. Grundmeyer to 4 more hospitals and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Grundmeyer

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

Dmand AI tracks the EHR system at Dr. Raymond W. Grundmeyer III's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grundmeyer practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kansas Spine & Specialty HospitalAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Raymond W. Grundmeyer III is one of 55 neurosurgeons in Kansas

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

Specialties and state licenses

  • Neurological surgery, KansasPrimaryLicense 04-28686 · taxonomy 207T00000X

Neurosurgeons near Dr. Grundmeyer

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. Raymond W. Grundmeyer III billed Medicare for 1,667 services in 2024

CMS data shows 1,667 Medicare services from Dr. Grundmeyer across 23 procedure codes in 2024, for 749 Medicare patients. Medicare paid $464,031 for them.

Medicare services, 20241,667
Medicare patients749
Paid by Medicare$464,031
Procedure codes23

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

  • 2023
  • 2024
Office and hospital visits
2023: 8542024: 8412%
Surgery
2023: 7492024: 82610%

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

  • In an office59336%
  • In a facility1,07464%

Dr. Grundmeyer compared with the Kansas median for neurosurgeons, 2024

  • Dr. Grundmeyer
  • Kansas median
Medicare services
1,667vs 2746.1 times
Medicare patients
749vs 1983.8 times
Part D claims
702vs 3619.5 times

Medians across 54 neurosurgeons in Kansas with Dmand AI profiles that report each measure.

Dr. Grundmeyer'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. Grundmeyer

Need commercial claims for Dr. Grundmeyer?

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

Dr. Raymond W. Grundmeyer III treated 749 Medicare patients in 2024, average age 74

CMS counts 749 Medicare patients who saw Dr. Grundmeyer in 2024. The largest group is 65 to 74, with 352 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Grundmeyer's median patient age at 69, with 52% women.

Medicare patients, 2024749
Average age74
Average risk score1.33
Also on Medicaid8%

Dr. Grundmeyer's Medicare patients by age, 2024

Dr. Grundmeyer's Medicare patients by sex, 2024

  • Women40154%
  • Men34846%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis72%
  4. Ischemic heart disease36%
  5. Mood disorders34%
  6. Depression33%
  7. Diabetes30%
  8. Anxiety29%

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

Dr. Grundmeyer's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women52%
  • Men47%

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

Dr. Raymond W. Grundmeyer III wrote 740 Medicare Part D claims in 2024

In 2024, Dr. Grundmeyer wrote 740 Medicare Part D claims for 192 patients. 100% of them were for generic drugs. CMS names the drug for 702 of them, across 7 drugs with 11 or more claims each, at $8,292 in total drug cost. In 2023, CMS named 1,014 claims across 10 drugs.

Part D claims, 2024740
Drugs named by CMS7
Total drug cost$8,292
Part D patients192

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

  • Opioids84%621 of 740 claims
  • Antibiotics3%19 of 740 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: 1,0142024: 70231%

Drugs named by CMS: 7 in 2024, 10 in 2023.

See all prescribing by Dr. Grundmeyer

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. Raymond W. Grundmeyer III scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Grundmeyer for performance year 2024, reported individually. Dr. Grundmeyer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 226 procedures of laminectomy or laminotomy (partial removal of spine bones) by Dr. Grundmeyer, more than 99% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Grundmeyer's MIPS scores, performance year 2024

  • 86of 100Final score
  • 78.9of 100Quality
  • 40of 100Improvement Activities
  • 83of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Grundmeyer ranks in Medicare procedure volume

Spinal fusion
98th percentile410 procedures
Laminectomy or laminotomy (partial removal of spine bones)
99th percentile226 procedures

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

Removal of tissue: 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. Raymond W. Grundmeyer III has 5 publications on record

Dmand AI links 5 papers to Dr. Grundmeyer, published from 2015 to 2023. 2023 was the busiest year, with 2. Dr. Grundmeyer has published most often in Kans J Med. Dr. Grundmeyer's most frequent co-authors are David L. Acuna, DO, Bryan Joseph Harvell and Andrew S. Hentzen, MD.

Papers5
Years published2015 to 2023

Dr. Grundmeyer's papers by year, 2015 to 2023

Dr. Grundmeyer's most frequent co-authors

Recent publications by Dr. Grundmeyer

See all 5 publications and co-authors

See who Dr. Grundmeyer researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grundmeyer 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. Raymond W. Grundmeyer III received $2,234,966 in industry payments from 2016 to 2025

CMS Open Payments shows 32 general payments to Dr. Grundmeyer from 9 drug and device companies from 2016 to 2025. Ownership or investment make up the largest share, 55% of the total. Midwest Surgical Alliance, LLC paid the most, $2,233,215.

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

General payments to Dr. Grundmeyer by kind, 2016 to 2025

$2.2Min total
  • Ownership or investment$1,233,53155%
  • Acquisitions$999,68445%
  • Food and beverage$1,3450%
  • Education$4050%

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

Share is of all general payments to this clinician.

See all payments to Dr. Grundmeyer

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

Dr. Raymond W. Grundmeyer III graduated from Un of California, Irvine, College of Medicine

Dr. Grundmeyer graduated from Un of California, Irvine, College of Medicine in 1994.

  1. Medical schoolUn of California, Irvine, College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Raymond W. Grundmeyer III'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)Clinician Public Reporting: Overall MIPS Performance (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. Raymond W. Grundmeyer III

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. Raymond W. Grundmeyer III's NPI number?

Dr. Raymond W. Grundmeyer III's NPI number is 1346276961. It was assigned on June 24, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Raymond W. Grundmeyer III?

Dr. Raymond W. Grundmeyer III is a neurosurgeon in Wichita, Kansas. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Raymond W. Grundmeyer III practice?

Dr. Grundmeyer practices at 3333 North Webb Road, Wichita, KS 67226. Dr. Grundmeyer's primary practice is Kansas Spine & Specialty Hospital in Wichita, Kansas, part of Surgery Partners. Dmand AI also links Dr. Grundmeyer to 4 hospitals and 1 group practice or clinic.

What is Dr. Raymond W. Grundmeyer III's office phone number?

The practice phone on file for Dr. Grundmeyer is (316) 462-5310.

What is Dr. Raymond W. Grundmeyer III's medical license number?

Dr. Grundmeyer holds Kansas license 04-28686.

Which hospitals is Dr. Raymond W. Grundmeyer III affiliated with?

Dr. Grundmeyer practices at Kansas Spine & Specialty Hospital in Wichita, Kansas. Dr. Grundmeyer is also affiliated with Ascension Via Christi St. Francis. Dmand AI links Dr. Grundmeyer to 4 more hospitals.

What medical group is Dr. Raymond W. Grundmeyer III part of?

Dr. Grundmeyer is linked to Abay Neuroscience Center.

Does Dr. Raymond W. Grundmeyer III accept Medicare?

Yes. CMS data shows Dr. Grundmeyer billed Medicare for 1,667 services in 2024, and Dr. Grundmeyer accepts Medicare assignment.

What is Dr. Raymond W. Grundmeyer III's MIPS score?

Dr. Grundmeyer's MIPS final score for performance year 2024 is 86 out of 100, reported individually.

How many Medicare patients does Dr. Raymond W. Grundmeyer III see?

CMS counts 749 Medicare patients who saw Dr. Grundmeyer in 2024, with an average age of 74.

Show 7 more questionsShow fewer questions

What services does Dr. Raymond W. Grundmeyer III bill to Medicare?

In 2024, Dr. Grundmeyer's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99213) and surgery: bones and joints (22614).

Where did Dr. Raymond W. Grundmeyer III go to medical school?

Dr. Grundmeyer graduated from Un of California, Irvine, College of Medicine in 1994.

What drugs does Dr. Raymond W. Grundmeyer III prescribe most?

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

Has Dr. Raymond W. Grundmeyer III received payments from drug or device companies?

CMS Open Payments shows $2,234,966 in general payments to Dr. Grundmeyer from 9 companies from 2016 to 2025. The largest total came from Midwest Surgical Alliance, LLC.

How long has Dr. Raymond W. Grundmeyer III been practicing?

Dr. Grundmeyer graduated from medical school in 1994, 32 years ago.

Does Dr. Raymond W. Grundmeyer III do research?

Dmand AI links 5 publications to Dr. Grundmeyer, published from 2015 to 2023.

Who does Dr. Raymond W. Grundmeyer III publish with?

Dr. Grundmeyer's most frequent co-authors are David L. Acuna, DO (1 shared paper), Bryan Joseph Harvell (1 shared paper) and Andrew S. Hentzen, MD (1 shared paper).

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