Doctor profile · Federal record

Dr. David Frey, MD

Ophthalmology Physician (CMS: Ophthalmology) · Williamsport, PA

  • NPI 1528036407
  • Accepts Medicare
  • MIPS 81.5 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1705 Warren Ave Ste 303
Williamsport, PA 177012665
(570) 326-8800
fax (570) 320-7849
Mailing address
1201 Grampian Blvd
Williamsport, PA 177011900

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
February 21, 2024
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Pennsylvania #MD071122L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528036407. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,352
Distinct HCPCS
9
Medicare allowed
$141,675
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 899 754 $87
92083 Exam of visual field with extended testing 216 172 $60
66984 Removal of cataract with insertion of prosthetic lens 56 31 $519
76519 Ultrasound scan to determine eye length and lens power 52 32 $64
99214 Established patient office or other outpatient visit, 30-39 minutes 46 45 $124
99203 New patient office or other outpatient visit, 30-44 minutes 25 25 $108
99212 Established patient office or other outpatient visit, 10-19 minutes 23 21 $54
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $161
66821 Removal of recurring cataract in lens capsule using a laser 14 14 $353

In context: peer comparison

Among 1 peers in Williamsport Ophthalmology Physician, average services per provider: 150. This provider delivers 9.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
669
Patients
250
Total drug cost
$173,575
Drug Type Claims Patients Total cost
Latanoprost Generic 192 46 $2,963
Lumigan (Bimatoprost) Brand 114 34 $64,027
Timolol Maleate Generic 90 29 $14,337
Moxifloxacin (Moxifloxacin Hcl) Brand 77 49 $1,991
Difluprednate Generic 64 39 $9,627
Cyclosporine Generic 42 20 $26,573
Restasis (Cyclosporine) Brand 35 19 $52,216
Prednisolone Acetate Generic 28 14 $839
Erythromycin (Erythromycin Base) Brand 15 0 $182
Fluorometholone Generic 12 0 $819

Frequently asked questions

Auto-generated from federal data
What is Dr. David Frey's medical specialty?
Dr. David Frey practices Ophthalmology Physician in Williamsport, PA.
Where does Dr. David Frey practice?
Dr. David Frey practices at 1705 Warren Ave Ste 303, Williamsport, PA 177012665. Office phone: 5703268800.
What is Dr. David Frey's NPI?
Dr. David Frey's National Provider Identifier (NPI) is 1528036407, issued by NPPES.
Does Dr. David Frey accept Medicare assignment?
Yes. Dr. David Frey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Frey commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Exam of visual field with extended testing (HCPCS 92083); Removal of cataract with insertion of prosthetic lens (HCPCS 66984). Source: CMS Medicare Physician & Other Practitioners file.