Brandon Armstrong, OD
NPI 1598856999 · Optometrist · Greenwood, IN
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brandon Armstrong, OD is a Optometrist provider in Greenwood, IN (NPI 1598856999).
Provider details
- NPI number
- 1598856999
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 18003219A (IN)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,541 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 427 | $113 |
| Photography of the Retina92250 | 416 | $32 |
| Closure of Tear Duct Opening Using Plug68761 | 326 | $94 |
| Established Patient Complete Exam of Visual System92014 | 237 | $113 |
| Exam of Visual Field With Extended Testing92083 | 174 | $52 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 145 | $81 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 90 | 79 |
| Latanoprost | 68 | 20 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 26 | 23 |
| Cyclosporinebrand: Restasis | 23 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 21 | — |
| Doxycycline Hyclate | 21 | 15 |
| Loteprednol Etabonatebrand: Lotemax Sm | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$107 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-28
- Last updated
- 2019-04-11
Frequently asked questions
- What is Brandon Armstrong's NPI number?
- Brandon Armstrong's National Provider Identifier (NPI) is 1598856999, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brandon Armstrong's specialty?
- Brandon Armstrong is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Brandon Armstrong located?
- Brandon Armstrong's practice location on file with NPPES is 2020 S State Road 135, Greenwood, IN 46143-6588.
- What is Brandon Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Brandon Armstrong is (317) 887-2800.
- Does Brandon Armstrong accept Medicare?
- Brandon Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brandon Armstrong's NPI active?
- Yes — Brandon Armstrong's NPI (1598856999) is active in the NPPES registry as of the last update on 2019-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.