Charles Gregory Thomas, OD
- Medicare patients, 2024
- 120
- Part D claims, 2024
- 55
- Industry payments
- $70
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 2249 W Eisenhower Blvd, Loveland, CO 80537
- Practice phone
- Call (866) 523-7999
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Optical Matters
Loveland, Colorado
Find Charles Thomas' 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.
Charles Gregory Thomas is an optometrist in Loveland, Colorado
Charles Thomas practices at Optical Matters in Loveland, Colorado.
Charles Thomas' NPI, 1730235375, was assigned on January 26, 2007. Charles Thomas graduated from Southern College of Optometry in 1987. Charles Thomas holds North Carolina license 1301.
- NPI
- 1730235375NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042367765
- NPI enumeration date
- January 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (866) 523-7999
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Charles Gregory Thomas practices at Optical Matters in Loveland, Colorado
Charles Thomas' primary practice is Optical Matters, at 2249 W Eisenhower Blvd, Loveland, CO 80537 in Larimer County. The practice phone is (866) 523-7999.
- Optical Matters2249 W Eisenhower Blvd, Loveland, CO 80537 · Larimer CountyPhone(866) 523-7999
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Charles Gregory Thomas is affiliated with 3 sites of care and 2 medical groups
Charles Thomas' primary practice is Optical Matters in Loveland, Colorado. Dmand AI also links Charles Thomas to 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Charles Gregory Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Charles Thomas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Optical Matters | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Charles Gregory Thomas is one of 936 optometrists in Colorado
Optometrist is Charles Thomas' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Charles Thomas is licensed in North Carolina.
Specialties and state licenses
- Optometrist, North CarolinaPrimary
Optometrists near Charles Thomas
Counts of optometrists 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
Charles Gregory Thomas treated 120 Medicare patients in 2024, average age 74
CMS counts 120 Medicare patients who saw Charles Thomas in 2024. The largest group is 65 to 74, with 63 patients. 75% of them have high cholesterol, and 58% have high blood pressure. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Charles Thomas' median patient age at 71, with 68% women.
Charles Thomas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Charles Thomas' Medicare patients by sex, 2024
- Women6554%
- Men5546%
Chronic conditions among Charles Thomas' Medicare patients, 2024
- High cholesterol75%
- High blood pressure58%
- Arthritis35%
- Diabetes23%
- Ischemic heart disease20%
- Chronic kidney disease18%
- Mood disorders18%
- Cancer17%
Share of Medicare patients with each condition. A patient can have several.
Charles Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women68%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Charles Gregory Thomas wrote 55 Medicare Part D claims in 2024
In 2024, Charles Thomas wrote 55 Medicare Part D claims for 23 patients. 31% of them were for generic drugs.
Charles Thomas' Part D claims by kind of drug, 2024
- Generic17 claims31%
- Brand-name38 claims69%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Charles Gregory Thomas takes part in Medicare
Charles Thomas 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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Charles Gregory Thomas received $70 in industry payments in 2025
CMS Open Payments shows 1 general payment to Charles Thomas from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $70.
Companies that paid Charles Thomas the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Charles Gregory Thomas graduated from Southern College of Optometry
Charles Thomas graduated from Southern College of Optometry in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Charles Gregory Thomas'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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 (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 |
| 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 Charles Gregory Thomas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Charles Gregory Thomas' NPI number?
Charles Gregory Thomas' NPI number is 1730235375. It was assigned on January 26, 2007, and it is active in the NPI Registry.
What does Charles Gregory Thomas specialize in?
Charles Gregory Thomas is an optometrist in Loveland, Colorado. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Charles Gregory Thomas practice?
Charles Thomas practices at 2249 W Eisenhower Blvd, Loveland, CO 80537. Charles Thomas' primary practice is Optical Matters in Loveland, Colorado. Dmand AI also links Charles Thomas to 2 group practices and clinics and 2 medical groups.
What is Charles Gregory Thomas' office phone number?
The practice phone on file for Charles Thomas is (866) 523-7999.
What is Charles Gregory Thomas' medical license number?
Charles Thomas holds North Carolina license 1301.
Does Charles Gregory Thomas accept Medicare?
Yes. CMS lists Charles Thomas as accepting Medicare assignment.
How many Medicare patients does Charles Gregory Thomas see?
CMS counts 120 Medicare patients who saw Charles Thomas in 2024, with an average age of 74.
Where did Charles Gregory Thomas go to medical school?
Charles Thomas graduated from Southern College of Optometry in 1987.
Has Charles Gregory Thomas received payments from drug or device companies?
CMS Open Payments shows $70 in general payments to Charles Thomas from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Charles Gregory Thomas been practicing?
Charles Thomas graduated from medical school in 1987, 39 years ago.
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