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Dr. Garfield Alexander Grandison, MD
NPI1598884041PAC ID8224199633
- Medicare services, 2024
- 615
- Medicare patients, 2024
- 399
- Part D claims, 2024
- 368
- Publications
- 2
- MIPS score, 2024
- 84
- Practice address
- 2201 Lexington Ave, Ashland, KY 41101
- Practice phone
- Call (606) 408-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UK King's Daughters
Ashland, Kentucky
Find Dr. Grandison'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. Garfield Alexander Grandison is a gastroenterologist in Ashland, Kentucky
Dr. Grandison practices at UK King's Daughters in Ashland, Kentucky.
Dr. Grandison's NPI, 1598884041, was assigned on March 28, 2007. Dr. Grandison holds Kentucky license 42842.
NPI and contact details
- NPI
- 1598884041NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224199633
- NPI enumeration date
- March 28, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (606) 408-4000
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Garfield Alexander Grandison practices at UK King's Daughters in Ashland, Kentucky
Dr. Grandison's primary practice is UK King's Daughters, at 2201 Lexington Ave, Ashland, KY 41101 in Boyd County. The practice phone is (606) 408-4000.
- UK King's Daughters2201 Lexington Ave, Ashland, KY 41101 · Boyd CountyPhone(606) 408-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Garfield Alexander Grandison is affiliated with 4 sites of care and 1 medical group
Dr. Grandison's primary practice is UK King's Daughters in Ashland, Kentucky. Dr. Grandison is also affiliated with UK King's Daughters Medical Center. The medical group on file is UK King's Daughters Cardiology. Dmand AI also links Dr. Grandison to 1 more hospital and 1 group practice or clinic, each named with a free account.
UK King's DaughtersPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Garfield Alexander Grandison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grandison practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UK King's Daughters | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Garfield Alexander Grandison is one of 205 gastroenterologists in Kentucky
Gastroenterology is Dr. Grandison's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Grandison's licenses on file in 2 states: Kentucky and Ohio.
Specialties and state licenses
- Gastroenterology, KentuckyPrimary
- Ohio license
Gastroenterologists near Dr. Grandison
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
205gastroenterologists in Kentucky
6gastroenterologists in Ashland
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Garfield Alexander Grandison billed Medicare for 615 services in 2024
CMS data shows 615 Medicare services from Dr. Grandison across 17 procedure codes in 2024, for 399 Medicare patients. Medicare paid $59,070 for them.
Medicare services, 2024615
Medicare patients399
Paid by Medicare$59,070
Procedure codes17
Dr. Grandison's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3562024: 3531%
- Office and hospital visits
- 2023: 2422024: 16333%
- Other services
- 2023: 512024: 5610%
- Tests and treatments
- 2023: 382024: 4313%
Where Dr. Grandison's Medicare services took place, 2024
- In an office163%
- In a facility59997%
Dr. Grandison compared with the Kentucky median for gastroenterologists, 2024
- Dr. Grandison
- Kentucky median
- Medicare services
- 615vs 52018% above
- Medicare patients
- 399vs 31825% above
- Part D claims
- 253vs 39636% below
Medians across 210 gastroenterologists in Kentucky with Dmand AI profiles that report each measure.
Dr. Grandison'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grandison and other gastroenterologists in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Garfield Alexander Grandison treated 399 Medicare patients in 2024, average age 70
CMS counts 399 Medicare patients who saw Dr. Grandison in 2024. The largest group is 65 to 74, with 193 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.61, 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. Grandison's median patient age at 58, with 52% women.
Medicare patients, 2024399
Average age70
Average risk score1.61
Also on Medicaid25%
Dr. Grandison's Medicare patients by age, 2024
Dr. Grandison's Medicare patients by sex, 2024
- Women23058%
- Men16942%
Chronic conditions among Dr. Grandison's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Diabetes45%
- Ischemic heart disease42%
- Anxiety40%
- Mood disorders37%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grandison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
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. Garfield Alexander Grandison wrote 368 Medicare Part D claims in 2024
In 2024, Dr. Grandison wrote 368 Medicare Part D claims for 266 patients. 85% of them were for generic drugs. CMS names the drug for 253 of them, across 8 drugs with 11 or more claims each, at $14,355 in total drug cost. In 2023, CMS named 306 claims across 10 drugs.
Part D claims, 2024368
Drugs named by CMS8
Total drug cost$14,355
Part D patients266
Dr. Grandison's Part D claims by kind of drug, 2024
- Generic313 claims85%
- Brand-name and other55 claims15%
Dr. Grandison'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3062024: 25317%
Drugs named by CMS: 8 in 2024, 10 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. Garfield Alexander Grandison scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Grandison for performance year 2024, reported as part of a group. Dr. Grandison accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 222 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Grandison, more than 92% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Grandison's MIPS scores, performance year 2024
- 84of 100Final score
- 60.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Grandison ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 92nd percentile222 procedures
- Colonoscopy
- 89th percentile151 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. Garfield Alexander Grandison has 2 publications on record
Dmand AI links 2 papers to Dr. Grandison, published from 2010 to 2012.
Papers2
Years published2010 to 2012
Recent publications by Dr. Grandison
See who Dr. Grandison researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grandison works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Garfield Alexander Grandison received $7,206 in industry payments from 2016 to 2025
CMS Open Payments shows 411 general payments to Dr. Grandison from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. Abbvie Inc. paid the most, $1,428.
General payments to Dr. Grandison by program year, 2016 to 2025
General payments to Dr. Grandison by kind, 2016 to 2025
$7.2Kin total
- Food and beverage$6,09585%
- Travel and lodging$1,05915%
- Education$511%
Companies that paid Dr. Grandison the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Garfield Alexander Grandison's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Garfield Alexander Grandison
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. Garfield Alexander Grandison's NPI number?
Dr. Garfield Alexander Grandison's NPI number is 1598884041. It was assigned on March 28, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Garfield Alexander Grandison?
Dr. Garfield Alexander Grandison is a gastroenterologist in Ashland, Kentucky. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Garfield Alexander Grandison practice?
Dr. Grandison practices at 2201 Lexington Ave, Ashland, KY 41101. Dr. Grandison's primary practice is UK King's Daughters in Ashland, Kentucky. Dmand AI also links Dr. Grandison to 1 hospital and 1 group practice or clinic.
What is Dr. Garfield Alexander Grandison's office phone number?
The practice phone on file for Dr. Grandison is (606) 408-4000.
What is Dr. Garfield Alexander Grandison's medical license number?
Dr. Grandison holds Kentucky license 42842, one of the licenses on file in 2 states.
Which states has Dr. Garfield Alexander Grandison been licensed in?
Dmand AI has state licenses on file for Dr. Grandison in Kentucky and Ohio.
Which hospitals is Dr. Garfield Alexander Grandison affiliated with?
Dr. Grandison is affiliated with UK King's Daughters Medical Center. Dmand AI links Dr. Grandison to 1 more hospital.
What medical group is Dr. Garfield Alexander Grandison part of?
Dr. Grandison is linked to UK King's Daughters Cardiology.
Does Dr. Garfield Alexander Grandison accept Medicare?
Yes. CMS data shows Dr. Grandison billed Medicare for 615 services in 2024, and Dr. Grandison accepts Medicare assignment.
What is Dr. Garfield Alexander Grandison's MIPS score?
Dr. Grandison's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Garfield Alexander Grandison see?
CMS counts 399 Medicare patients who saw Dr. Grandison in 2024, with an average age of 70.
What services does Dr. Garfield Alexander Grandison bill to Medicare?
In 2024, Dr. Grandison's most billed Medicare services were surgery: digestive system (43235), surgery: digestive system (45385) and surgery: digestive system (43239).
What drugs does Dr. Garfield Alexander Grandison prescribe most?
In 2024 Medicare Part D data, Dr. Grandison's most prescribed drugs by claims were Peg 3350-Electrolyte, Pantoprazole Sodium and Gavilyte-G.
Has Dr. Garfield Alexander Grandison received payments from drug or device companies?
CMS Open Payments shows $7,206 in general payments to Dr. Grandison from 34 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Garfield Alexander Grandison been practicing?
Dr. Grandison graduated from medical school in 2003, 23 years ago.
Does Dr. Garfield Alexander Grandison do research?
Dmand AI links 2 publications to Dr. Grandison, published from 2010 to 2012.
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