Dr. Grant Michael Warmouth, MD
- Medicare services, 2024
- 2,489
- Medicare patients, 2024
- 468
- MIPS score, 2024
- 75
- Hospital affiliations
- 7
- Industry payments
- $85
- Practice address
- 4201 Belfort Rd, Jacksonville, FL 32216
- Practice phone
- Call (904) 296-3700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Warmouth'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. Grant Michael Warmouth is a clinical neurophysiologist in Jacksonville, Florida
Dr. Warmouth practices at Ascension St. Vincent's Southside Hospital in Jacksonville, Florida, part of Ascension Health Alliance.
Dr. Warmouth's NPI, 1376757344, was assigned on May 9, 2007. Dr. Warmouth graduated from Indiana University School Of Medicine in 2003. Dr. Warmouth holds Colorado license DR.0051735.
- NPI
- 1376757344NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476687658
- NPI enumeration date
- May 9, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (904) 296-3700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Grant Michael Warmouth practices at Ascension St. Vincent's Southside Hospital in Jacksonville, Florida
Dr. Warmouth's primary practice is Ascension St. Vincent's Southside Hospital, at 4201 Belfort Rd, Jacksonville, FL 32216 in Duval County. The practice phone is (904) 296-3700.
- Ascension St. Vincent's Southside Hospital4201 Belfort Rd, Jacksonville, FL 32216 · Duval CountyPhone(904) 296-3700
Source: Dmand AI Affiliation Data
Dr. Grant Michael Warmouth is affiliated with 9 sites of care and 2 medical groups
Dr. Warmouth's primary practice is Ascension St. Vincent's Southside Hospital in Jacksonville, Florida, part of Ascension Health Alliance. Dr. Warmouth is also affiliated with CommonSpirit - Penrose Hospital. The medical group on file is Rocky Mountain Neurodiagnostics. Dmand AI also links Dr. Warmouth to 5 more hospitals, 2 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. Grant Michael Warmouth's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warmouth practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St. Vincent's Southside Hospital | Available with a free account |
| +8 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 Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Grant Michael Warmouth is one of 21 clinical neurophysiologists in Florida
Clinical neurophysiology is Dr. Warmouth's primary specialty in the NPI Registry, under taxonomy code 2084N0600X. Dr. Warmouth is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Warmouth's licenses on file in 15 states: Colorado, Arizona, California, Nevada, South Carolina, Alaska, Arkansas, Florida, Georgia, Kentucky, Missouri, Nebraska, Wyoming, Alabama and Indiana.
Specialties and state licenses
- Clinical neurophysiology, ColoradoPrimary
- Arizona license
- California license
- Nevada license
- South Carolina license
- Alaska license
- Arkansas license
- Florida license
- Georgia license
- Kentucky license
- Neurology, Missouri
- Nebraska license
- Wyoming license
- Alabama license
- Indiana license
Clinical neurophysiologists near Dr. Warmouth
Counts of clinical neurophysiologists 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. Grant Michael Warmouth billed Medicare for 2,489 services in 2024
CMS data shows 2,489 Medicare services from Dr. Warmouth across 6 procedure codes in 2024, for 468 Medicare patients. Medicare paid $81,518 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Warmouth's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,3202024: 1,3613%
- Other services
- 2023: 1,0362024: 1,1289%
Dr. Warmouth compared with the Florida median for clinical neurophysiologists, 2024
- Dr. Warmouth
- Florida median
- Medicare services
- 2,489vs 3706.7 times
- Medicare patients
- 468vs 34038% above
Medians across 21 clinical neurophysiologists in Florida with Dmand AI profiles that report each measure.
Dr. Warmouth'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. Warmouth?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Warmouth and other clinical neurophysiologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Grant Michael Warmouth treated 468 Medicare patients in 2024, average age 72
CMS counts 468 Medicare patients who saw Dr. Warmouth in 2024. The largest group is 65 to 74, with 251 patients. 75% of them have arthritis, and 75% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Warmouth's median patient age at 62, with 48% women.
Dr. Warmouth's Medicare patients by age, 2024
Dr. Warmouth's Medicare patients by sex, 2024
- Women24753%
- Men22147%
Chronic conditions among Dr. Warmouth's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety36%
- Mood disorders36%
- Ischemic heart disease35%
- Depression34%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Warmouth's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Grant Michael Warmouth scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Warmouth for performance year 2024, reported as part of a group. Dr. Warmouth accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
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. Grant Michael Warmouth received $85 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Warmouth from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Teleflex LLC paid the most, $85.
Companies that paid Dr. Warmouth the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Grant Michael Warmouth graduated from Indiana University School Of Medicine
Dr. Warmouth graduated from Indiana University School Of Medicine in 2003.
- Medical school
- Board certified in clinical neurophysiology
- Board certified in neurology
- Board certified in sleep medicine
Source: Dmand AI Professional Profile Data
Dr. Grant Michael Warmouth accepts plans from 18 insurance carriers
Dr. Warmouth is in network with 18 carriers, including Excellus BlueCross BlueShield, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Humana
- Molina
- Regence Health Plans
- +10 more carriersWith a free account
Plan types Dr. Warmouth accepts, by number of carriers
- Medicare9
- PPO9
- HMO6
- Medicaid5
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Grant Michael Warmouth'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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Grant Michael Warmouth
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. Grant Michael Warmouth's NPI number?
Dr. Grant Michael Warmouth's NPI number is 1376757344. It was assigned on May 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Grant Michael Warmouth?
Dr. Grant Michael Warmouth is a clinical neurophysiologist in Jacksonville, Florida. The primary specialty in the NPI Registry is Clinical Neurophysiology Physician (taxonomy code 2084N0600X).
Where does Dr. Grant Michael Warmouth practice?
Dr. Warmouth practices at 4201 Belfort Rd, Jacksonville, FL 32216. Dr. Warmouth's primary practice is Ascension St. Vincent's Southside Hospital in Jacksonville, Florida, part of Ascension Health Alliance. Dmand AI also links Dr. Warmouth to 5 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Grant Michael Warmouth's office phone number?
The practice phone on file for Dr. Warmouth is (904) 296-3700.
What is Dr. Grant Michael Warmouth's medical license number?
Dr. Warmouth holds Colorado license DR.0051735, one of the licenses on file in 15 states.
Which states has Dr. Grant Michael Warmouth been licensed in?
Dmand AI has state licenses on file for Dr. Warmouth in Colorado (2012 to 2027), Arizona (2013 to 2027), California (2013 to 2027), Nevada (2017 to 2027), South Carolina (2009 to 2027), Alaska (2017 to 2026), Arkansas (2017 to 2026), Florida (2009 to 2026), Georgia (2008 to 2026), Kentucky (2009 to 2026), Missouri (2007 to 2026), Nebraska (2019 to 2026), Wyoming (2017 to 2026), Alabama (2013 to 2025) and Indiana (2014 to 2025).
Which hospitals is Dr. Grant Michael Warmouth affiliated with?
Dr. Warmouth practices at Ascension St. Vincent's Southside Hospital in Jacksonville, Florida. Dr. Warmouth is also affiliated with CommonSpirit - Penrose Hospital. Dmand AI links Dr. Warmouth to 5 more hospitals.
What medical group is Dr. Grant Michael Warmouth part of?
Dr. Warmouth is linked to Rocky Mountain Neurodiagnostics. Dmand AI links Dr. Warmouth to 1 more medical group.
Does Dr. Grant Michael Warmouth accept Medicare?
Yes. CMS data shows Dr. Warmouth billed Medicare for 2,489 services in 2024, and Dr. Warmouth accepts Medicare assignment.
What is Dr. Grant Michael Warmouth's MIPS score?
Dr. Warmouth's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Grant Michael Warmouth see?
CMS counts 468 Medicare patients who saw Dr. Warmouth in 2024, with an average age of 72.
Is Dr. Grant Michael Warmouth board certified?
Yes. Dr. Warmouth is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology.
What services does Dr. Grant Michael Warmouth bill to Medicare?
In 2024, Dr. Warmouth's most billed Medicare services were medicare service (G0453), nerve and brain test (95870) and nerve and brain test (95938).
Where did Dr. Grant Michael Warmouth go to medical school?
Dr. Warmouth graduated from Indiana University School Of Medicine in 2003.
Has Dr. Grant Michael Warmouth received payments from drug or device companies?
CMS Open Payments shows $85 in general payments to Dr. Warmouth from 1 company from 2019 to 2019. The largest total came from Teleflex LLC.
How long has Dr. Grant Michael Warmouth been practicing?
Dr. Warmouth graduated from medical school in 2003, 23 years ago.
What insurance does Dr. Grant Michael Warmouth accept?
Dr. Warmouth is in network with 18 carriers, including Excellus BlueCross BlueShield, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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