DR. DAVID MICHAEL FREY (MD) – Ophthalmology Physician, NPI 1528036407
Ophthalmology Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,144 OPHTHALMOLOGY in PA
Provider Addresses for DR. DAVID MICHAEL FREY (MD)
1705 WARREN AVE STE 303
WILLIAMSPORT, PA 177012665
Phone: (570) 326-8800
Fax: (570) 320-7849
Type: Location
1201, Grampian Boulevard, Williamsport, Lycoming County, Pennsylvania, 17701, United States
WILLIAMSPORT, PA 177011900
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-04-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040406000988 | I | Ophthalmology | PA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 899 | 754 | $0 |
| 92083 | Exam of visual field with extended testing | 216 | 172 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 56 | 31 | $0 |
| 76519 | Ultrasound scan to determine eye length and lens power | 52 | 32 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 46 | 45 | $0 |
Insurance plans in this area (ZIP 17701)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | PA | 92083 | Measurement of field of vision during daylight conditions | 477 | 386 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery, Critical Care (Intensivists) | PA | |
| - | PA | |
| Certified Registered Nurse Anesthetist (Crna) | PA | |
| - | ME | |
| Pulmonary Disease, Critical Care (Intensivists) | PA | |
| - | PA | |
| Vascular Surgery | NY | |
| Cardiovascular Disease (Cardiology) | NM | |
| Certified Registered Nurse Anesthetist (Crna) | PA | |
| Emergency Medicine | PA |
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