Geoffrey Milton Gray

  • Charleston, SC
  • Emergency medicine physician
NPI1184891012
Medicare services, 2024
899
Medicare patients, 2024
600
Part D claims, 2024
307
Publications
23
MIPS score, 2024
75
Practice address
9330 Medical Plaza Dr, Charleston, SC 29406
Practice phone
Call (843) 847-4100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

HCA Healthcare Trident Hospital

Hospital · Charleston, South Carolina

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Geoffrey Milton Gray is an emergency medicine physician in Charleston, South Carolina

Geoffrey Gray practices at HCA Healthcare Trident Hospital in Charleston, South Carolina, part of HCA Healthcare.

Geoffrey Gray's NPI, 1184891012, was assigned on May 9, 2008. Geoffrey Gray graduated from Tufts University School of Medicine in 2005. Geoffrey Gray holds South Carolina license 31588.

NPI and contact details
NPI enumeration date
May 9, 2008
NPI status
Active
Practice phone
(843) 847-4100
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
47
Medical school graduation
2005

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

Geoffrey Milton Gray practices at HCA Healthcare Trident Hospital in Charleston, South Carolina

Geoffrey Gray's primary practice is HCA Healthcare Trident Hospital, at 9330 Medical Plaza Dr, Charleston, SC 29406 in Charleston County. The practice phone is (843) 847-4100.

Source: Dmand AI Affiliation Data

Geoffrey Milton Gray is affiliated with 1 site of care and 2 medical groups

Geoffrey Gray's primary practice is HCA Healthcare Trident Hospital in Charleston, South Carolina, part of HCA Healthcare. The medical group on file is ACS Primary Care Physicians - Southeast. Dmand AI also links Geoffrey Gray to 1 more medical group, named with a free account.

See all 3 affiliations for Geoffrey Gray

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

Dmand AI tracks the EHR system at Geoffrey Milton Gray's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Geoffrey Gray practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
HCA Healthcare Trident HospitalAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Geoffrey Milton Gray is one of 1,026 emergency medicine physicians in South Carolina

Emergency medicine is Geoffrey Gray's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Geoffrey Gray is licensed in South Carolina.

Specialties and state licenses

  • Emergency medicine, South CarolinaPrimaryLicense 31588 · taxonomy 207P00000X

Emergency medicine physicians near Geoffrey Gray

Counts of emergency medicine physicians 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

Geoffrey Milton Gray billed Medicare for 899 services in 2024

CMS data shows 899 Medicare services from Geoffrey Gray across 5 procedure codes in 2024, for 600 Medicare patients. Medicare paid $75,531 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024899
Medicare patients600
Paid by Medicare$75,531
Procedure codes5

Geoffrey Gray's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7082024: 62012%
Tests and treatments
2023: 3232024: 27914%
Surgery
2023: 122024: 0100%

Geoffrey Gray compared with the South Carolina median for emergency medicine physicians, 2024

  • Geoffrey Gray
  • South Carolina median
Medicare services
899vs 3612.5 times
Medicare patients
600vs 32485% above
Part D claims
167vs 10756% above

Medians across 1,019 emergency medicine physicians in South Carolina with Dmand AI profiles that report each measure.

Geoffrey Gray'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 Geoffrey Gray

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

Geoffrey Milton Gray treated 600 Medicare patients in 2024, average age 74

CMS counts 600 Medicare patients who saw Geoffrey Gray in 2024. The largest group is 75 to 84, with 208 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.97, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Geoffrey Gray's median patient age at 40, with 57% women.

Medicare patients, 2024600
Average age74
Average risk score1.97
Also on Medicaid14%

Geoffrey Gray's Medicare patients by age, 2024

Geoffrey Gray's Medicare patients by sex, 2024

  • Women33155%
  • Men26945%

Chronic conditions among Geoffrey Gray's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis50%
  4. Diabetes47%
  5. Chronic kidney disease41%
  6. Anxiety38%
  7. Mood disorders37%
  8. Ischemic heart disease36%

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

Geoffrey Gray's patients across all payers

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

Patient panel by age, all payers

Median age 40

Patient panel by sex, all payers

  • Women57%
  • Men43%

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

Geoffrey Milton Gray wrote 307 Medicare Part D claims in 2024

In 2024, Geoffrey Gray wrote 307 Medicare Part D claims for 204 patients. 92% of them were for generic drugs. CMS names the drug for 167 of them, across 10 drugs with 11 or more claims each, at $738 in total drug cost. In 2023, CMS named 214 claims across 11 drugs.

Part D claims, 2024307
Drugs named by CMS10
Total drug cost$738
Part D patients204

Geoffrey Gray's Part D claims by kind of drug, 2024

  • Generic283 claims92%
  • Brand-name and other24 claims8%

Geoffrey Gray'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 Geoffrey Gray's Part D claims, 2024

  • Opioids18%56 of 307 claims
  • Antibiotics27%82 of 307 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: 2142024: 16722%

Drugs named by CMS: 10 in 2024, 11 in 2023.

See all prescribing by Geoffrey Gray

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

Geoffrey Milton Gray 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 Geoffrey Gray for performance year 2024, reported individually.

MIPS final score, 2024
75 of 100

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Geoffrey Milton Gray has 23 publications on record

Dmand AI links 23 papers to Geoffrey Gray, published from 2013 to 2024. 2023 was the busiest year, with 4. The most frequent topics are Retinoid X Receptors, Tetrahydronaphthalenes and Algorithms. Geoffrey Gray has published most often in Anesth Analg. Geoffrey Gray's most frequent co-authors are Mohamed A. Rehman, MD, Alfred Asante-Korang, MD and Frederick Howe Kuo, MD.

Papers23
Years published2013 to 2024

Geoffrey Gray's papers by year, 2013 to 2024

Topics Geoffrey Gray writes about most

  • Retinoid X Receptors
  • Tetrahydronaphthalenes
  • Algorithms
  • Anesthesiologists
  • Anesthesiology
  • Artificial Intelligence
  • Bexarotene
  • Crystallography, X-Ray

Geoffrey Gray's most frequent co-authors

Recent publications by Geoffrey Gray

See all 23 publications and co-authors

See who Geoffrey Gray researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Geoffrey Gray works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

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

Geoffrey Milton Gray received $226 in industry payments from 2016 to 2025

CMS Open Payments shows 3 general payments to Geoffrey Gray from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $120.

General payments to Geoffrey Gray by program year, 2016 to 2025

Companies that paid Geoffrey Gray the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Geoffrey Gray

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

Geoffrey Milton Gray graduated from Tufts University School of Medicine

Geoffrey Gray graduated from Tufts University School of Medicine in 2005.

  1. Medical schoolTufts University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Geoffrey Milton Gray'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 percentilesClinician Public Reporting: Overall MIPS Performance (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 Geoffrey Milton Gray

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Geoffrey Milton Gray's NPI number?

Geoffrey Milton Gray's NPI number is 1184891012. It was assigned on May 9, 2008, and it is active in the NPI Registry.

What does Geoffrey Milton Gray specialize in?

Geoffrey Milton Gray is an emergency medicine physician in Charleston, South Carolina. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Geoffrey Milton Gray practice?

Geoffrey Gray practices at 9330 Medical Plaza Dr, Charleston, SC 29406. Geoffrey Gray's primary practice is HCA Healthcare Trident Hospital in Charleston, South Carolina, part of HCA Healthcare. Dmand AI also links Geoffrey Gray to 1 medical group.

What is Geoffrey Milton Gray's office phone number?

The practice phone on file for Geoffrey Gray is (843) 847-4100.

What is Geoffrey Milton Gray's medical license number?

Geoffrey Gray holds South Carolina license 31588.

Which hospitals is Geoffrey Milton Gray affiliated with?

Geoffrey Gray practices at HCA Healthcare Trident Hospital in Charleston, South Carolina.

What medical group is Geoffrey Milton Gray part of?

Geoffrey Gray is linked to ACS Primary Care Physicians - Southeast. Dmand AI links Geoffrey Gray to 1 more medical group.

Does Geoffrey Milton Gray accept Medicare?

Yes. CMS data shows Geoffrey Gray billed Medicare for 899 services in 2024.

What is Geoffrey Milton Gray's MIPS score?

Geoffrey Gray's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Geoffrey Milton Gray see?

CMS counts 600 Medicare patients who saw Geoffrey Gray in 2024, with an average age of 74.

Show 7 more questionsShow fewer questions

What services does Geoffrey Milton Gray bill to Medicare?

In 2024, Geoffrey Gray's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).

Where did Geoffrey Milton Gray go to medical school?

Geoffrey Gray graduated from Tufts University School of Medicine in 2005.

What drugs does Geoffrey Milton Gray prescribe most?

In 2024 Medicare Part D data, Geoffrey Gray's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ibuprofen and Ondansetron ODT.

Has Geoffrey Milton Gray received payments from drug or device companies?

CMS Open Payments shows $226 in general payments to Geoffrey Gray from 3 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.

How long has Geoffrey Milton Gray been practicing?

Geoffrey Gray graduated from medical school in 2005, 21 years ago.

Does Geoffrey Milton Gray do research?

Dmand AI links 23 publications to Geoffrey Gray, published from 2013 to 2024.

Who does Geoffrey Milton Gray publish with?

Geoffrey Gray's most frequent co-authors are Mohamed A. Rehman, MD (8 shared papers), Alfred Asante-Korang, MD (3 shared papers) and Frederick Howe Kuo, MD (2 shared papers).

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