Dr. Paul Leonard Grindstaff, MD
- Medicare services, 2024
- 1,812
- Medicare patients, 2024
- 711
- Part D claims, 2024
- 3,102
- MIPS score, 2024
- 95
- Hospital affiliations
- 5
- Practice address
- 25 North Winfield Road, Winfield, IL 60190
- Practice phone
- Call (630) 682-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Grindstaff'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. Paul Leonard Grindstaff is a neurologist in Winfield, Illinois
Dr. Grindstaff practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Dr. Grindstaff's NPI, 1811948854, was assigned on May 15, 2006. Dr. Grindstaff holds Illinois license 336071769.
- NPI
- 1811948854NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779530803
- NPI enumeration date
- May 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (630) 682-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Paul Leonard Grindstaff practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Dr. Grindstaff's primary practice is Northwestern Medicine Central DuPage Hospital, at 25 North Winfield Road, Winfield, IL 60190 in Du Page County. The practice phone is (630) 682-1600.
- Northwestern Medicine Central DuPage Hospital25 North Winfield Road, Winfield, IL 60190 · Du Page CountyPhone(630) 682-1600
Source: Dmand AI Affiliation Data
Dr. Paul Leonard Grindstaff is affiliated with 10 sites of care and 3 medical groups
Dr. Grindstaff's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dr. Grindstaff is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Grindstaff to 3 more hospitals, 3 group practices and clinics, 2 medical groups, 1 breast imaging center and 1 clinical lab, 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. Paul Leonard Grindstaff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grindstaff practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Central DuPage Hospital | Available with a free account |
| +9 more sites and 2 medical groups | 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. Paul Leonard Grindstaff is one of 822 neurologists in Illinois
Neurology is Dr. Grindstaff's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Grindstaff is licensed in Illinois.
Specialties and state licenses
- Neurology, IllinoisPrimary
Neurologists near Dr. Grindstaff
Counts of neurologists 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. Paul Leonard Grindstaff billed Medicare for 1,812 services in 2024
CMS data shows 1,812 Medicare services from Dr. Grindstaff across 14 procedure codes in 2024, for 711 Medicare patients. Medicare paid $126,875 for them. Every service was in an office.
Dr. Grindstaff's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 7112024: 78010%
- Office and hospital visits
- 2023: 5922024: 6001%
- Other services
- 2023: 02024: 328
- Drugs given in the office
- 2023: 1562024: 10433%
Dr. Grindstaff compared with the Illinois median for neurologists, 2024
- Dr. Grindstaff
- Illinois median
- Medicare services
- 1,812vs 4014.5 times
- Medicare patients
- 711vs 2253.2 times
- Part D claims
- 2,883vs 3189.1 times
Medians across 747 neurologists in Illinois with Dmand AI profiles that report each measure.
Dr. Grindstaff'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. Grindstaff?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grindstaff and other neurologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Paul Leonard Grindstaff treated 711 Medicare patients in 2024, average age 73
CMS counts 711 Medicare patients who saw Dr. Grindstaff in 2024. The largest group is 75 to 84, with 272 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grindstaff's median patient age at 68, with 57% women.
Dr. Grindstaff's Medicare patients by age, 2024
Dr. Grindstaff's Medicare patients by sex, 2024
- Women39255%
- Men31945%
Chronic conditions among Dr. Grindstaff's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Anxiety31%
- Ischemic heart disease31%
- Mood disorders31%
- Depression28%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grindstaff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Paul Leonard Grindstaff wrote 3,102 Medicare Part D claims in 2024
In 2024, Dr. Grindstaff wrote 3,102 Medicare Part D claims for 502 patients. 93% of them were for generic drugs. CMS names the drug for 2,883 of them, across 53 drugs with 11 or more claims each, at $418,358 in total drug cost. In 2023, CMS named 3,376 claims across 59 drugs.
Dr. Grindstaff's Part D claims by kind of drug, 2024
- Generic2,892 claims93%
- Brand-name156 claims5%
- Other54 claims2%
Dr. Grindstaff'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. Grindstaff's Part D claims, 2024
- Opioids2%68 of 3,102 claims
- Antipsychotics, patients 65 and over1%27 of 3,102 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: 3,3762024: 2,88315%
Drugs named by CMS: 53 in 2024, 59 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. Paul Leonard Grindstaff 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. Grindstaff for performance year 2024, reported through an alternative payment model (APM). Dr. Grindstaff accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Grindstaff as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Grindstaff'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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Paul Leonard Grindstaff received $5,188 in industry payments from 2016 to 2021
CMS Open Payments shows 287 general payments to Dr. Grindstaff from 45 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 93% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $378.
General payments to Dr. Grindstaff by program year, 2016 to 2021
General payments to Dr. Grindstaff by kind, 2016 to 2021
- Food and beverage$4,82293%
- Education$1974%
- Speaker and faculty fees$1693%
Companies that paid Dr. Grindstaff the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Paul Leonard Grindstaff'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Paul Leonard Grindstaff
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. Paul Leonard Grindstaff's NPI number?
Dr. Paul Leonard Grindstaff's NPI number is 1811948854. It was assigned on May 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Paul Leonard Grindstaff?
Dr. Paul Leonard Grindstaff is a neurologist in Winfield, Illinois. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Paul Leonard Grindstaff practice?
Dr. Grindstaff practices at 25 North Winfield Road, Winfield, IL 60190. Dr. Grindstaff's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Grindstaff to 3 hospitals, 3 group practices and clinics, 2 medical groups, 1 breast imaging center and 1 clinical lab.
What is Dr. Paul Leonard Grindstaff's office phone number?
The practice phone on file for Dr. Grindstaff is (630) 682-1600.
What is Dr. Paul Leonard Grindstaff's medical license number?
Dr. Grindstaff holds Illinois license 336071769.
Which hospitals is Dr. Paul Leonard Grindstaff affiliated with?
Dr. Grindstaff practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois. Dr. Grindstaff is also affiliated with Northwestern Memorial Hospital. Dmand AI links Dr. Grindstaff to 3 more hospitals.
What medical group is Dr. Paul Leonard Grindstaff part of?
Dr. Grindstaff is linked to Northwestern Medical Faculty Foundation. Dmand AI links Dr. Grindstaff to 2 more medical groups.
Does Dr. Paul Leonard Grindstaff accept Medicare?
Yes. CMS data shows Dr. Grindstaff billed Medicare for 1,812 services in 2024, and Dr. Grindstaff accepts Medicare assignment.
Does Dr. Paul Leonard Grindstaff offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Grindstaff as offering telehealth services.
What is Dr. Paul Leonard Grindstaff's MIPS score?
Dr. Grindstaff's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Paul Leonard Grindstaff see?
CMS counts 711 Medicare patients who saw Dr. Grindstaff in 2024, with an average age of 73.
What services does Dr. Paul Leonard Grindstaff bill to Medicare?
In 2024, Dr. Grindstaff's most billed Medicare services were nerve and brain test (95886), office visit, established patient (99214) and medicare service (G2211).
What drugs does Dr. Paul Leonard Grindstaff prescribe most?
In 2024 Medicare Part D data, Dr. Grindstaff's most prescribed drugs by claims were Memantine HCl, Gabapentin and Levetiracetam.
Has Dr. Paul Leonard Grindstaff received payments from drug or device companies?
CMS Open Payments shows $5,188 in general payments to Dr. Grindstaff from 45 companies from 2016 to 2021. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. Paul Leonard Grindstaff been practicing?
Dr. Grindstaff graduated from medical school in 1999, 27 years ago.
Selling to neurology practices?
See neurologists in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card