Dr. Grant Thomas Slagle , DO
Ophthalmology β’ Chattanooga, TN
7268 Jarnigan Rd Ste 200
Chattanooga, TN 374213097
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
7268 Jarnigan Rd Ste 200
Chattanooga, TN 374213097
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 1 additional practice-address record in Shreveport, LA. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
CMS Doctors and Clinicians lists 1 group name: Wk Pierremont Eye Institute. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
Mid West Medical College
2020
What Public CMS Data Show
Ophthalmology: NPPES taxonomy is a reported classification, not proof of board certification.
Open Payments general payments, program year 2025
All general payments: $976.24 across 13 records.
By nature of payment
- Food and Beverage: $976.24 across 13 records.
Reporting-company totals (3 largest of 7)
- Glaukos Corporation: $505.41 across 4 records.
- BIOTISSUE HOLDINGS INC.: $219.65 across 2 records.
- Amgen Inc.: $140.42 across 2 records.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
Years since graduation
6 years (graduated 2020)
CMS Doctors and Clinicians data list 2020 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2021
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Slagle has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Slagle as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Chattanooga and Tennessee
30 active clinicians are listed under Ophthalmology with a practice address in Chattanooga, TN (366 in Tennessee).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Chattanooga
0% of these 30 clinicians have the CMS telehealth indicator.
73.3% of these 30 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
-
Industry payments (Open Payments)
Industry payments (Open Payments) went from $262.30 in 2023 to $976.24 in 2025.
- 2023: $262.30
- 2024: $279.62
- 2025: $976.24
Sources: CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 β December 31, 2025): 13 records totaling $976.24.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Glaukos Corporation |
Food and Beverage
Cash or cash equivalent
|
iDoseTR | General | $213.85 |
| BIOTISSUE HOLDINGS INC. |
Food and Beverage
In-kind items and services
|
β | General | $167.86 |
| Glaukos Corporation |
Food and Beverage
Cash or cash equivalent
|
Photrexa Viscous and Photrexa | General | $133.27 |
| Amgen Inc. |
Food and Beverage
In-kind items and services
|
TEPEZZA | General | $125.00 |
| Glaukos Corporation |
Food and Beverage
Cash or cash equivalent
|
iDoseTR | General | $82.84 |
| Glaukos Corporation |
Food and Beverage
Cash or cash equivalent
|
iDoseTR | General | $75.45 |
| BIOTISSUE HOLDINGS INC. |
Food and Beverage
In-kind items and services
|
β | General | $51.79 |
| Oyster Point Pharma, Inc. |
Food and Beverage
In-kind items and services
|
TYRVAYA | General | $25.45 |
| SUN PHARMACEUTICAL INDUSTRIES INC. |
Food and Beverage
In-kind items and services
|
Cequa | General | $24.45 |
| Alcon Vision LLC |
Food and Beverage
In-kind items and services
|
HYDRUS Microstent | General | $22.74 |
| Alcon Vision LLC |
Food and Beverage
In-kind items and services
|
Clareon PanOptix Pro | General | $21.93 |
| Bausch & Lomb Americas Inc. |
Food and Beverage
In-kind items and services
|
ScoutPro Osmolarity System | General | $16.19 |
| Amgen Inc. |
Food and Beverage
In-kind items and services
|
TEPEZZA | General | $15.42 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2026-07-27NUCC Taxonomy Code: 207W00000X
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
NUCC Taxonomy Code: 207W00000X
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - OPHTHALMOLOGY
I20250820000613
LA
3274938048
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
Wk Pierremont Eye Institute
2611 Greenwood Rd, Shreveport, LA 711033907
Phone: 3182122020
Secondary Practice Locations
2611 Greenwood Rd
Shreveport, LA 711033907
Phone: 3182122020
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Ophthalmology
Doctor of Medicine (M.D.)
Ophthalmology - Retina Specialist
Doctor of Medicine (M.D.)
Ophthalmology
Doctor of Medicine (M.D.)
Ophthalmology
Doctor of Medicine (M.D.)
Optometrist
Doctor of Optometry
Optometrist
Doctor of Optometry
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 7268 JARNIGAN RD STE 200, CHATTANOOGA, TN 374213097 (Tel: 4235087337)
Registered at PO BOX 306307, NASHVILLE, TN 372306307 (Tel: 4234240383)
Ophthalmology (license number reported to NPPES: TN 6982)
Registered at 2611 GREENWOOD RD, SHREVEPORT, LA 711033907 (Tel: 3182122020)
Registered at 2611 GREENWOOD RD, SHREVEPORT, LA 711033907 (Tel: 3182122020)
Ophthalmology (license number reported to NPPES: LA 346421)
NPI status registered as active in NPPES database
Registered at 14000 FIVAY RD, HUDSON, FL 346677103 (Tel: 7278192966)
Registered at 14000 FIVAY RD, HUDSON, FL 346677103 (Tel: 7278192966)
Recorded as GRANT SLAGLE, DO
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Ophthalmology Specialists in Chattanooga
- Dr. Robert Baker, MD
- Dr. Brett Gerwin, MD
- Dr. Carey Dozier, MD
- Dr. Molly Seal, MD
- Dr. Deborah Distefano, MD
- Dr. James Richmond, MD
Mailing Address
Po Box 306307
Nashville, TN 372306307
Phone: 4234240383