David Frey, MD
NPI 1528036407 · Ophthalmology Physician · Williamsport, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Frey, MD is a Ophthalmology Physician provider in Williamsport, PA (NPI 1528036407).
Provider details
- NPI number
- 1528036407
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD071122L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,252 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 812 | $86 |
| Exam of Visual Field With Extended Testing92083 | 186 | $59 |
| Ultrasound Scan to Determine Eye Length and Lens Power76519 | 59 | $62 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 58 | $122 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 50 | $487 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 204 | 45 |
| Bimatoprostbrand: Lumigan | 112 | 31 |
| Timolol Maleate | 97 | 28 |
| Moxifloxacin Hclbrand: Moxifloxacin | 51 | 35 |
| Cyclosporinebrand: Restasis | 41 | 18 |
| Difluprednate | 29 | 20 |
| Cyclosporine | 29 | 15 |
| Prednisolone Acetate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-08
- Last updated
- 2024-02-21
- Certified
- 2024-02-21
Frequently asked questions
- What is David Frey's NPI number?
- David Frey's National Provider Identifier (NPI) is 1528036407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Frey's specialty?
- David Frey is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is David Frey located?
- David Frey's practice location on file with NPPES is 1705 Warren Ave Ste 303, Williamsport, PA 17701-2665.
- What is David Frey's phone number?
- The practice phone number listed in the NPPES registry for David Frey is (570) 326-8800.
- Does David Frey accept Medicare?
- David Frey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Frey's NPI active?
- Yes — David Frey's NPI (1528036407) is active in the NPPES registry as of the last update on 2024-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.