Alan Twer, M.D.
NPI 1659319382 · Ophthalmology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alan Twer, M.D. is a Ophthalmology Physician provider in Philadelphia, PA (NPI 1659319382).
Provider details
- NPI number
- 1659319382
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD039552E (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
810 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 | 440 | $120 |
| Established Patient Problem Focused Exam of Visual System92012 | 187 | $85 |
| New Patient Complete Exam of Visual System92004 | 50 | $143 |
| Exam of Visual Field With Extended Testing92083 | 44 | $61 |
| Imaging of Optic Nerve92133 | 34 | $34 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 20 | $44 |
| Imaging of Retina92134 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 210 | 59 |
| Moxifloxacin Hclbrand: Moxifloxacin | 134 | 69 |
| Erythromycin Basebrand: Erythromycin | 95 | 62 |
| Difluprednate | 63 | 36 |
| Timolol Maleate | 50 | 13 |
| Cyclosporinebrand: Restasis | 48 | 21 |
| Bimatoprostbrand: Lumigan | 46 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$77 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
- 2006-06-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Alan Twer's NPI number?
- Alan Twer's National Provider Identifier (NPI) is 1659319382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Twer's specialty?
- Alan Twer is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Twer located?
- Alan Twer's practice location on file with NPPES is 7900 Bustleton Ave, Philadelphia, PA 19152-3303.
- What is Alan Twer's phone number?
- The practice phone number listed in the NPPES registry for Alan Twer is (215) 742-7474.
- Does Alan Twer accept Medicare?
- Alan Twer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alan Twer's NPI active?
- Yes — Alan Twer's NPI (1659319382) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.