Gregory Ryan Clayton
- Medicare services, 2024
- 257
- Medicare patients, 2024
- 229
- Part D claims, 2024
- 104
- Hospital affiliations
- 1
- Industry payments
- $379
- Practice address
- 22999 Us Hwy 59, Kingwood, TX 77325
- Practice phone
- Call (281) 359-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gregory Clayton'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.
Gregory Ryan Clayton is an emergency medicine physician in Kingwood, Texas
Gregory Clayton practices at HCA Houston Healthcare Kingwood in Kingwood, Texas, part of HCA Healthcare.
Gregory Clayton's NPI, 1588243190, was assigned on April 2, 2021. Gregory Clayton graduated from American University of the Caribbean School of Medicine in 2021. Gregory Clayton holds Texas license U7660.
- NPI
- 1588243190NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103227491
- NPI enumeration date
- April 2, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (281) 359-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory Ryan Clayton practices at HCA Houston Healthcare Kingwood in Kingwood, Texas
Gregory Clayton's primary practice is HCA Houston Healthcare Kingwood, at 22999 Us Hwy 59, Kingwood, TX 77325 in Harris County. The practice phone is (281) 359-7500.
- HCA Houston Healthcare Kingwood22999 Us Hwy 59, Kingwood, TX 77325 · Harris CountyPhone(281) 359-7500
Source: Dmand AI Affiliation Data
Gregory Ryan Clayton is affiliated with 1 site of care and 3 medical groups
Gregory Clayton's primary practice is HCA Houston Healthcare Kingwood in Kingwood, Texas, part of HCA Healthcare. The medical group on file is Emergency Medicine Services of TX, PLLC. Dmand AI also links Gregory Clayton to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Ryan Clayton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Clayton practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HCA Houston Healthcare Kingwood | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory Ryan Clayton is one of 4,831 emergency medicine physicians in Texas
Emergency medicine is Gregory Clayton's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Gregory Clayton is licensed in Texas.
Specialties and state licenses
- Emergency medicine, TexasPrimary
Emergency medicine physicians near Gregory Clayton
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
Gregory Ryan Clayton billed Medicare for 257 services in 2024
CMS data shows 257 Medicare services from Gregory Clayton across 4 procedure codes in 2024, for 229 Medicare patients. Medicare paid $32,064 for them. Every service was in a facility, such as a hospital, rather than an office.
Gregory Clayton's Medicare services by type, 2024
- Office and hospital visits233
- Tests and treatments24
Gregory Clayton compared with the Texas median for emergency medicine physicians, 2024
- Gregory Clayton
- Texas median
- Medicare services
- 257vs 22514% above
- Medicare patients
- 229vs 20611% above
- Part D claims
- 13vs 7482% below
Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.
Gregory Clayton'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Gregory Ryan Clayton treated 229 Medicare patients in 2024, average age 76
CMS counts 229 Medicare patients who saw Gregory Clayton in 2024. The largest group is 75 to 84, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.15, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gregory Clayton's median patient age at 42, with 63% women.
Gregory Clayton's Medicare patients by age, 2024
Gregory Clayton's Medicare patients by sex, 2024
- Women11952%
- Men11048%
Chronic conditions among Gregory Clayton's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease57%
- Arthritis51%
- Diabetes48%
- Heart failure44%
- Chronic kidney disease41%
- Mood disorders40%
Share of Medicare patients with each condition. A patient can have several.
Gregory Clayton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory Ryan Clayton wrote 104 Medicare Part D claims in 2024
In 2024, Gregory Clayton wrote 104 Medicare Part D claims for 77 patients. 96% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $47 in total drug cost.
Gregory Clayton's Part D claims by kind of drug, 2024
- Generic100 claims96%
- Brand-name and other4 claims4%
Gregory Clayton'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 Gregory Clayton's Part D claims, 2024
- Opioids14%15 of 104 claims
- Antibiotics34%35 of 104 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Gregory Ryan Clayton takes part in Medicare
Gregory Clayton accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Gregory Ryan Clayton received $379 in industry payments in 2024
CMS Open Payments shows 3 general payments to Gregory Clayton from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $362.
Companies that paid Gregory Clayton the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Gregory Ryan Clayton graduated from American University of the Caribbean School of Medicine
Gregory Clayton graduated from American University of the Caribbean School of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Gregory Ryan Clayton accepts plans from 17 insurance carriers
Gregory Clayton is in network with 17 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Aetna
- Alliant Health Plans
- HCSC
- Aspirus Health Plan
- Baylor Scott and White
- +9 more carriersWith a free account
Plan types Gregory Clayton accepts, by number of carriers
- HMO9
- PPO9
- POS5
- EPO3
- Medicare3
Source: Dmand AI Insurance Network Data
Sources for Gregory Ryan Clayton'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) |
| 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 Gregory Ryan Clayton
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Ryan Clayton's NPI number?
Gregory Ryan Clayton's NPI number is 1588243190. It was assigned on April 2, 2021, and it is active in the NPI Registry.
What does Gregory Ryan Clayton specialize in?
Gregory Ryan Clayton is an emergency medicine physician in Kingwood, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Gregory Ryan Clayton practice?
Gregory Clayton practices at 22999 Us Hwy 59, Kingwood, TX 77325. Gregory Clayton's primary practice is HCA Houston Healthcare Kingwood in Kingwood, Texas, part of HCA Healthcare. Dmand AI also links Gregory Clayton to 2 medical groups.
What is Gregory Ryan Clayton's office phone number?
The practice phone on file for Gregory Clayton is (281) 359-7500.
What is Gregory Ryan Clayton's medical license number?
Gregory Clayton holds Texas license U7660.
Which hospitals is Gregory Ryan Clayton affiliated with?
Gregory Clayton practices at HCA Houston Healthcare Kingwood in Kingwood, Texas.
What medical group is Gregory Ryan Clayton part of?
Gregory Clayton is linked to Emergency Medicine Services of TX, PLLC. Dmand AI links Gregory Clayton to 2 more medical groups.
Does Gregory Ryan Clayton accept Medicare?
Yes. CMS data shows Gregory Clayton billed Medicare for 257 services in 2024, and Gregory Clayton accepts Medicare assignment.
How many Medicare patients does Gregory Ryan Clayton see?
CMS counts 229 Medicare patients who saw Gregory Clayton in 2024, with an average age of 76.
What services does Gregory Ryan Clayton bill to Medicare?
In 2024, Gregory Clayton's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).
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Where did Gregory Ryan Clayton go to medical school?
Gregory Clayton graduated from American University of the Caribbean School of Medicine in 2021.
What drugs does Gregory Ryan Clayton prescribe most?
In 2024 Medicare Part D data, Gregory Clayton's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Gregory Ryan Clayton received payments from drug or device companies?
CMS Open Payments shows $379 in general payments to Gregory Clayton from 2 companies from 2024 to 2024. The largest total came from Inari Medical, Inc.
How long has Gregory Ryan Clayton been practicing?
Gregory Clayton graduated from medical school in 2021, 5 years ago.
What insurance does Gregory Ryan Clayton accept?
Gregory Clayton is in network with 17 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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