James Gregory Colvin
- Medicare services, 2024
- 496
- Medicare patients, 2024
- 325
- Part D claims, 2024
- 372
- Hospital affiliations
- 2
- Industry payments
- $63
- Practice address
- 6411 Fannin, Houston, TX 77030
- Practice phone
- Call (713) 704-3700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find James Colvin'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.
James Gregory Colvin is an emergency medicine physician in Houston, Texas
James Colvin practices at Memorial Hermann-Texas Medical Center in Houston, Texas, part of Memorial Hermann Health System.
James Colvin's NPI, 1891114948, was assigned on April 15, 2014. James Colvin graduated from Texas A&M College of Medicine - Bryan in 2014. James Colvin holds Texas license Q8231.
- NPI
- 1891114948NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860787736
- NPI enumeration date
- April 15, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 704-3700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
James Gregory Colvin practices at Memorial Hermann-Texas Medical Center in Houston, Texas
James Colvin's primary practice is Memorial Hermann-Texas Medical Center, at 6411 Fannin, Houston, TX 77030 in Harris County. The practice phone is (713) 704-3700.
- Memorial Hermann-Texas Medical Center6411 Fannin, Houston, TX 77030 · Harris CountyPhone(713) 704-3700
Source: Dmand AI Affiliation Data
James Gregory Colvin is affiliated with 6 sites of care and 5 medical groups
James Colvin's primary practice is Memorial Hermann-Texas Medical Center in Houston, Texas, part of Memorial Hermann Health System. James Colvin is also affiliated with HCA Houston Healthcare Conroe. The medical group on file is Emergency Medicine Services of TX, PLLC. Dmand AI also links James Colvin to 4 more group practices and clinics and 4 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 James Gregory Colvin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Colvin practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Hermann-Texas Medical Center | Available with a free account |
| +5 more sites and 4 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 Memorial Hermann Health System and 6.2K+ hospitals, with verified contacts in the same login.
James Gregory Colvin is one of 4,831 emergency medicine physicians in Texas
Emergency medicine is James Colvin's primary specialty in the NPI Registry, under taxonomy code 207P00000X. James Colvin is board certified in emergency medicine by the American Board of Emergency Medicine. James Colvin is licensed in Texas.
Specialties and state licenses
- Emergency medicine, TexasPrimary
Emergency medicine physicians near James Colvin
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
James Gregory Colvin billed Medicare for 496 services in 2024
CMS data shows 496 Medicare services from James Colvin across 4 procedure codes in 2024, for 325 Medicare patients. Medicare paid $47,292 for them. Every service was in a facility, such as a hospital, rather than an office.
James Colvin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3282024: 3445%
- Tests and treatments
- 2023: 1312024: 15216%
James Colvin compared with the Texas median for emergency medicine physicians, 2024
- James Colvin
- Texas median
- Medicare services
- 496vs 2252.2 times
- Medicare patients
- 325vs 20658% above
- Part D claims
- 263vs 743.6 times
Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.
James Colvin'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 James Colvin?
Medicare shows one payer. Book a meeting to get commercial claims data for James Colvin and other emergency medicine physicians in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
James Gregory Colvin treated 325 Medicare patients in 2024, average age 76
CMS counts 325 Medicare patients who saw James Colvin in 2024. The largest group is 65 to 74, with 115 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 2.28, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts James Colvin's median patient age at 49, with 60% women.
James Colvin's Medicare patients by age, 2024
James Colvin's Medicare patients by sex, 2024
- Women19259%
- Men13341%
Chronic conditions among James Colvin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Diabetes49%
- Chronic kidney disease47%
- Ischemic heart disease46%
- Mood disorders42%
- Depression38%
Share of Medicare patients with each condition. A patient can have several.
James Colvin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
James Gregory Colvin wrote 372 Medicare Part D claims in 2024
In 2024, James Colvin wrote 372 Medicare Part D claims for 214 patients. 94% of them were for generic drugs. CMS names the drug for 263 of them, across 11 drugs with 11 or more claims each, at $1,686 in total drug cost. In 2023, CMS named 211 claims across 9 drugs.
James Colvin's Part D claims by kind of drug, 2024
- Generic350 claims94%
- Brand-name and other22 claims6%
James Colvin'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 James Colvin's Part D claims, 2024
- Opioids16%59 of 372 claims
- Antibiotics26%97 of 372 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: 2112024: 26325%
Drugs named by CMS: 11 in 2024, 9 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
How James Gregory Colvin takes part in Medicare
James Colvin 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)
For MedTech and pharma teams
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James Gregory Colvin received $63 in industry payments from 2016 to 2021
CMS Open Payments shows 3 general payments to James Colvin from 2 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. The Medicines Company paid the most, $34.
General payments to James Colvin by program year, 2016 to 2021
Companies that paid James Colvin the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
James Gregory Colvin graduated from Texas A&M College of Medicine - Bryan
James Colvin graduated from Texas A&M College of Medicine - Bryan in 2014.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
James Gregory Colvin accepts plans from 21 insurance carriers
James Colvin is in network with 21 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- +13 more carriersWith a free account
Plan types James Colvin accepts, by number of carriers
- PPO11
- HMO10
- Medicare8
- POS6
- EPO3
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for James Gregory Colvin'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 James Gregory Colvin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James Gregory Colvin's NPI number?
James Gregory Colvin's NPI number is 1891114948. It was assigned on April 15, 2014, and it is active in the NPI Registry.
What does James Gregory Colvin specialize in?
James Gregory Colvin is an emergency medicine physician in Houston, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does James Gregory Colvin practice?
James Colvin practices at 6411 Fannin, Houston, TX 77030. James Colvin's primary practice is Memorial Hermann-Texas Medical Center in Houston, Texas, part of Memorial Hermann Health System. Dmand AI also links James Colvin to 4 group practices and clinics and 4 medical groups.
What is James Gregory Colvin's office phone number?
The practice phone on file for James Colvin is (713) 704-3700.
What is James Gregory Colvin's medical license number?
James Colvin holds Texas license Q8231.
Which hospitals is James Gregory Colvin affiliated with?
James Colvin practices at Memorial Hermann-Texas Medical Center in Houston, Texas. James Colvin is also affiliated with HCA Houston Healthcare Conroe.
What medical group is James Gregory Colvin part of?
James Colvin is linked to Emergency Medicine Services of TX, PLLC. Dmand AI links James Colvin to 4 more medical groups.
Does James Gregory Colvin accept Medicare?
Yes. CMS data shows James Colvin billed Medicare for 496 services in 2024, and James Colvin accepts Medicare assignment.
How many Medicare patients does James Gregory Colvin see?
CMS counts 325 Medicare patients who saw James Colvin in 2024, with an average age of 76.
Is James Gregory Colvin board certified?
Yes. James Colvin is board certified in emergency medicine by the American Board of Emergency Medicine.
Show 6 more questionsShow fewer questions
What services does James Gregory Colvin bill to Medicare?
In 2024, James Colvin's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Where did James Gregory Colvin go to medical school?
James Colvin graduated from Texas A&M College of Medicine - Bryan in 2014.
What drugs does James Gregory Colvin prescribe most?
In 2024 Medicare Part D data, James Colvin's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Cephalexin and Prednisone.
Has James Gregory Colvin received payments from drug or device companies?
CMS Open Payments shows $63 in general payments to James Colvin from 2 companies from 2016 to 2021. The largest total came from The Medicines Company.
How long has James Gregory Colvin been practicing?
James Colvin graduated from medical school in 2014, 12 years ago.
What insurance does James Gregory Colvin accept?
James Colvin is in network with 21 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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