Dr. Joseph Armstrong, MD
- Medicare services, 2023
- 290
- Part D claims, 2024
- 152
- MIPS score, 2024
- 97
- Industry payments
- $675
- Affiliated sites
- 1
- Practice address
- 3185 West State Street, Bristol, TN 37620
- Practice phone
- Call (423) 968-4141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mountain Empire Cataract & Eye Surgery Center
Surgery Center - Medicare-Certified · Bristol, Tennessee
Find Dr. Armstrong's professional email, personal email and mobile number
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Dr. Joseph Armstrong is an ophthalmologist in Forest, Virginia
Dr. Armstrong practices at Mountain Empire Cataract & Eye Surgery Center in Bristol, Tennessee.
Dr. Armstrong's NPI, 1083724371, was assigned on August 30, 2006. Dr. Armstrong graduated from University of Tennessee, Hsc, College of Medicine in 1978. Dr. Armstrong holds Tennessee license 14891.
- NPI
- 1083724371NPI Registry (opens in a new tab)
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Practice phone
- (423) 968-4141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Armstrong practices in Bristol and Forest
Dr. Armstrong's primary practice is Mountain Empire Cataract & Eye Surgery Center, at 3185 West State Street, Bristol, TN 37620. The practice phone is (423) 968-4141. The NPI Registry lists Dr. Armstrong's practice address as 1825 Graves Mill Rd, Forest, VA 24551.
- Mountain Empire Cataract & Eye Surgery CenterPrimary3185 West State Street, Bristol, TN 37620Phone(423) 968-4141
- NPI Registry address1825 Graves Mill Rd, Forest, VA 24551 · Bedford CountyPhone(423) 968-7555
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Joseph Armstrong is affiliated with 1 site of care and 1 medical group
Dr. Armstrong's primary practice is Mountain Empire Cataract & Eye Surgery Center in Bristol, Tennessee. Dmand AI also links Dr. Armstrong to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Armstrong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Armstrong practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mountain Empire Cataract & Eye Surgery Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph Armstrong is one of 504 ophthalmologists in Virginia
Ophthalmology is Dr. Armstrong's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Armstrong's licenses on file in 2 states: Tennessee and Virginia.
Specialties and state licenses
- Ophthalmology, TennesseePrimary
- Virginia license
Ophthalmologists near Dr. Armstrong
Counts of ophthalmologists 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
Dr. Joseph Armstrong billed Medicare for 290 services in 2023
CMS data shows 290 Medicare services from Dr. Armstrong across 8 procedure codes in 2023. Medicare paid $24,056 for them.
Dr. Armstrong's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Tests and treatments
- 2022: 6452023: 24862%
- Surgery
- 2022: 1312023: 4268%
- Imaging
- 2022: 182023: 0100%
- Office and hospital visits
- 2022: 202023: 0100%
Where Dr. Armstrong's Medicare services took place, 2023
- In an office24886%
- In a facility4214%
Dr. Armstrong compared with the Virginia median for ophthalmologists, 2023
- Dr. Armstrong
- Virginia median
- Medicare services
- 290vs 1,92485% below
- Part D claims
- 115vs 52278% below
Medians across 517 ophthalmologists in Virginia with Dmand AI profiles that report each measure.
Dr. Armstrong's most billed Medicare procedure codes, 2023
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
Dr. Joseph Armstrong's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Armstrong's median patient age at 76, with 50% women.
Dr. Armstrong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Joseph Armstrong wrote 152 Medicare Part D claims in 2024
In 2024, Dr. Armstrong wrote 152 Medicare Part D claims for 62 patients. 84% of them were for generic drugs. CMS names the drug for 115 of them, across 4 drugs with 11 or more claims each, at $2,362 in total drug cost. In 2023, CMS named 952 claims across 11 drugs.
Dr. Armstrong's Part D claims by kind of drug, 2024
- Generic127 claims84%
- Brand-name25 claims16%
Dr. Armstrong'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9522024: 11588%
Drugs named by CMS: 4 in 2024, 11 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
Dr. Joseph Armstrong scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Armstrong for performance year 2024, reported as part of a group.
Dr. Armstrong's MIPS scores, performance year 2024
- 97of 100Final score
- 94.4of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Joseph Armstrong received $675 in industry payments from 2016 to 2023
CMS Open Payments shows 41 general payments to Dr. Armstrong from 14 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 92% of the total. Novartis Pharmaceuticals Corporation paid the most, $170.
General payments to Dr. Armstrong by program year, 2016 to 2023
General payments to Dr. Armstrong by kind, 2016 to 2023
- Food and beverage$62392%
- Education$528%
Companies that paid Dr. Armstrong the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph Armstrong graduated from University of Tennessee, Hsc, College of Medicine
Dr. Armstrong graduated from University of Tennessee, Hsc, College of Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph Armstrong'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 Data |
| 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 | Clinician Public Reporting: Overall MIPS Performance (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 Dr. Joseph Armstrong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Joseph Armstrong's NPI number?
Dr. Joseph Armstrong's NPI number is 1083724371. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Armstrong?
Dr. Joseph Armstrong is an ophthalmologist in Forest, Virginia. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Joseph Armstrong practice?
Dr. Armstrong practices at 3185 West State Street, Bristol, TN 37620. Dr. Armstrong also practices at 1825 Graves Mill Rd, Forest, VA 24551. Dr. Armstrong's primary practice is Mountain Empire Cataract & Eye Surgery Center in Bristol, Tennessee. Dmand AI also links Dr. Armstrong to 1 medical group.
What is Dr. Joseph Armstrong's office phone number?
The practice phone on file for Dr. Armstrong is (423) 968-4141.
What is Dr. Joseph Armstrong's medical license number?
Dr. Armstrong holds Tennessee license 14891, one of the licenses on file in 2 states.
Which states has Dr. Joseph Armstrong been licensed in?
Dmand AI has state licenses on file for Dr. Armstrong in Tennessee and Virginia.
Does Dr. Joseph Armstrong accept Medicare?
Yes. CMS data shows Dr. Armstrong billed Medicare for 290 services in 2023.
What is Dr. Joseph Armstrong's MIPS score?
Dr. Armstrong's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
What services does Dr. Joseph Armstrong bill to Medicare?
In 2023, Dr. Armstrong's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92136).
Where did Dr. Joseph Armstrong go to medical school?
Dr. Armstrong graduated from University of Tennessee, Hsc, College of Medicine in 1978.
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What drugs does Dr. Joseph Armstrong prescribe most?
In 2024 Medicare Part D data, Dr. Armstrong's most prescribed drugs by claims were Latanoprost, Moxifloxacin and Dorzolamide-Timolol.
Has Dr. Joseph Armstrong received payments from drug or device companies?
CMS Open Payments shows $675 in general payments to Dr. Armstrong from 14 companies from 2016 to 2023. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Joseph Armstrong been practicing?
Dr. Armstrong graduated from medical school in 1978, 48 years ago.
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