Marnie Obrien, DO
NPI 1679516496 · Ophthalmology Physician · Allentown, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marnie Obrien, DO is a Ophthalmology Physician provider in Allentown, PA (NPI 1679516496).
Provider details
- NPI number
- 1679516496
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- OS008987L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
2,931 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) |
|---|---|---|
| Measurement of Corneal Curvature and Depth of Eye92136 | 633 | $38 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 582 | $457 |
| Established Patient Complete Exam of Visual System92014 | 573 | $117 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 300 | $159 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 216 | $122 |
| Imaging of Retina92134 | 161 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 383 | 248 |
| Ofloxacin | 348 | 249 |
| Bromfenac Sodiumbrand: Prolensa | 58 | 42 |
| Bromfenac Sodium | 43 | 34 |
| Latanoprost | 35 | 13 |
| Cyclosporinebrand: Restasis | 31 | 14 |
| Bimatoprostbrand: Lumigan | 30 | — |
| Erythromycin Base |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$688 across 20 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
- 2006-06-13
- Last updated
- 2020-04-17
- Certified
- 2020-04-17
Frequently asked questions
- What is Marnie Obrien's NPI number?
- Marnie Obrien's National Provider Identifier (NPI) is 1679516496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marnie Obrien's specialty?
- Marnie Obrien is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Marnie Obrien located?
- Marnie Obrien's practice location on file with NPPES is 400 N 17th St, Allentown, PA 18104.
- What is Marnie Obrien's phone number?
- The practice phone number listed in the NPPES registry for Marnie Obrien is (610) 433-0450.
- Does Marnie Obrien accept Medicare?
- Marnie Obrien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marnie Obrien's NPI active?
- Yes — Marnie Obrien's NPI (1679516496) is active in the NPPES registry as of the last update on 2020-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.