Christopher Brennan, OD
NPI 1801806625 · Optometrist · Philadelphia, PA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Brennan, OD is a Optometrist provider in Philadelphia, PA (NPI 1801806625).
Provider details
- NPI number
- 1801806625
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- OEG001784 (PA)
Specialties & taxonomies
Eye and Vision Services Providers
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
558 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 Complete Exam of Visual System92014 | 196 | $133 |
| Established Patient Problem Focused Exam of Visual System92012 | 176 | $94 |
| New Patient Complete Exam of Visual System92004 | 66 | $156 |
| Imaging of Optic Nerve92133 | 34 | $22 |
| Exam of Visual Field With Extended Testing92083 | 27 | $28 |
| Imaging of Retina With Remote Review By Physician92228 | 21 | $17 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 670 | 161 |
| Cyclosporinebrand: Restasis | 294 | 101 |
| Bimatoprostbrand: Lumigan | 289 | 77 |
| Brimonidine Tartrate | 178 | 51 |
| Cyclosporine | 172 | 80 |
| Timolol Maleate | 157 | 49 |
| Prednisolone Acetate | 127 | 69 |
| Travoprost | 112 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$310 across 13 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
- 2006-08-08
- Last updated
- 2010-07-13
Frequently asked questions
- What is Christopher Brennan's NPI number?
- Christopher Brennan's National Provider Identifier (NPI) is 1801806625, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Brennan's specialty?
- Christopher Brennan is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Christopher Brennan located?
- Christopher Brennan's practice location on file with NPPES is 5401 Old York Rd, Philadelphia, PA 19141-3030.
- What is Christopher Brennan's phone number?
- The practice phone number listed in the NPPES registry for Christopher Brennan is (215) 456-7150.
- Does Christopher Brennan accept Medicare?
- Christopher Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Brennan's NPI active?
- Yes — Christopher Brennan's NPI (1801806625) is active in the NPPES registry as of the last update on 2010-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.