John Leslie Bass, OD
- Medicare patients, 2024
- 85
- Part D claims, 2024
- 160
- Industry payments
- $365
- Affiliated sites
- 8
- Medical groups
- 3
- Practice address
- 12201 Merit Dr Ste 100, Dallas, TX 75251
- Practice phone
- Call (214) 276-0050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Envision Imaging of Dallas
Imaging Center - Main Location · Dallas, Texas
Find John Bass' 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.
John Leslie Bass is an optometrist in Dallas, Texas
John Bass practices at Envision Imaging of Dallas in Dallas, Texas.
John Bass' NPI, 1083725188, was assigned on August 31, 2006. John Bass graduated from Pacific University - College of Optometry in 1995. John Bass holds Texas license 05099T.
- NPI
- 1083725188NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254581200
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (214) 276-0050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Leslie Bass practices at Envision Imaging of Dallas in Dallas, Texas
John Bass' primary practice is Envision Imaging of Dallas, at 12201 Merit Dr Ste 100, Dallas, TX 75251. The practice phone is (214) 276-0050.
- Envision Imaging of Dallas12201 Merit Dr Ste 100, Dallas, TX 75251Phone(214) 276-0050
Source: Dmand AI Affiliation Data
John Leslie Bass is affiliated with 8 sites of care and 3 medical groups
John Bass' primary practice is Envision Imaging of Dallas in Dallas, Texas. Dmand AI also links John Bass to 3 group practices and clinics, 3 medical groups, 2 physician offices, 1 breast imaging center and 1 clinical lab, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John Leslie Bass' practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Bass practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Envision Imaging of Dallas | Available with a free account |
| +7 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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John Leslie Bass is one of 3,272 optometrists in Texas
Optometrist is John Bass' primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Bass is licensed in Texas.
Specialties and state licenses
- Optometrist, TexasPrimary
Optometrists near John Bass
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
John Leslie Bass treated 85 Medicare patients in 2024, average age 73
CMS counts 85 Medicare patients who saw John Bass in 2024. The largest group is 65 to 74, with 54 patients. 72% of them have high cholesterol, and 55% have high blood pressure. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Bass' median patient age at 70, with 68% women.
John Bass' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Bass' Medicare patients by sex, 2024
- Women5059%
- Men3541%
Chronic conditions among John Bass' Medicare patients, 2024
- High cholesterol72%
- High blood pressure55%
- Arthritis46%
- Diabetes20%
- Ischemic heart disease20%
- Atrial fibrillation19%
- Osteoporosis18%
- Mood disorders16%
Share of Medicare patients with each condition. A patient can have several.
John Bass' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women68%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Leslie Bass wrote 160 Medicare Part D claims in 2024
In 2024, John Bass wrote 160 Medicare Part D claims for 51 patients. 71% of them were for generic drugs.
John Bass' Part D claims by kind of drug, 2024
- Generic114 claims71%
- Brand-name46 claims29%
Drug classes CMS tracks in John Bass' Part D claims, 2024
- Antibiotics15%24 of 160 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How John Leslie Bass takes part in Medicare
John Bass 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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John Leslie Bass received $365 in industry payments in 2025
CMS Open Payments shows 5 general payments to John Bass from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $251.
Companies that paid John Bass the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John Leslie Bass graduated from Pacific University - College of Optometry
John Bass graduated from Pacific University - College of Optometry in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John Leslie Bass'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 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 John Leslie Bass
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Leslie Bass' NPI number?
John Leslie Bass' NPI number is 1083725188. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What does John Leslie Bass specialize in?
John Leslie Bass is an optometrist in Dallas, Texas. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Leslie Bass practice?
John Bass practices at 12201 Merit Dr Ste 100, Dallas, TX 75251. John Bass' primary practice is Envision Imaging of Dallas in Dallas, Texas. Dmand AI also links John Bass to 3 group practices and clinics, 3 medical groups, 2 physician offices, 1 breast imaging center and 1 clinical lab.
What is John Leslie Bass' office phone number?
The practice phone on file for John Bass is (214) 276-0050.
What is John Leslie Bass' medical license number?
John Bass holds Texas license 05099T.
Does John Leslie Bass accept Medicare?
Yes. CMS lists John Bass as accepting Medicare assignment.
How many Medicare patients does John Leslie Bass see?
CMS counts 85 Medicare patients who saw John Bass in 2024, with an average age of 73.
Where did John Leslie Bass go to medical school?
John Bass graduated from Pacific University - College of Optometry in 1995.
Has John Leslie Bass received payments from drug or device companies?
CMS Open Payments shows $365 in general payments to John Bass from 2 companies from 2025 to 2025. The largest total came from CooperVision Inc.
How long has John Leslie Bass been practicing?
John Bass graduated from medical school in 1995, 31 years ago.
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