Blair Armstrong, M.D.
NPI 1033406210 · Ophthalmology Physician · Langhorne, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Blair Armstrong, M.D. is a Ophthalmology Physician provider in Langhorne, PA (NPI 1033406210).
Provider details
- NPI number
- 1033406210
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD459669 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,056 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 259 | $93 |
| Photography of Content of Eyes92285 | 255 | $23 |
| Established Patient Complete Exam of Visual System92014 | 165 | $129 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 146 | $131 |
| Exam of Visual Field With Extended Testing92083 | 126 | $65 |
| Imaging of Retina92134 | 118 | $40 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Erythromycin Basebrand: Erythromycin | 269 | 230 |
| Latanoprost | 264 | 83 |
| Moxifloxacin Hclbrand: Moxifloxacin | 142 | 87 |
| Ketorolac Tromethamine | 139 | 76 |
| Prednisolone Acetate | 135 | 89 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 57 | 51 |
| Timolol Maleate | 42 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$603 across 25 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
Additional practice locations (2)
- 14 Memorial Dr Ste aDoylestown, PA 18901-3529Phone: (215) 345-5144Fax: (215) 345-5846
- 1930 S Broad St Unit 9Philadelphia, PA 19145-2328Phone: (800) 448-6767Fax: (215) 339-8103
Registry dates
- Enumerated
- 2011-07-07
- Last updated
- 2026-04-17
- Certified
- 2026-04-17
Frequently asked questions
- What is Blair Armstrong's NPI number?
- Blair Armstrong's National Provider Identifier (NPI) is 1033406210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Blair Armstrong's specialty?
- Blair Armstrong is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Blair Armstrong located?
- Blair Armstrong's practice location on file with NPPES is 360 Middletown Blvd Ste 402, Langhorne, PA 19047.
- What is Blair Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Blair Armstrong is (215) 757-6200.
- Does Blair Armstrong accept Medicare?
- Blair Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Blair Armstrong's NPI active?
- Yes — Blair Armstrong's NPI (1033406210) is active in the NPPES registry as of the last update on 2026-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.