Doctor profile · Federal record

Dr. Margaret Powell, MD

Ophthalmology Physician (CMS: Ophthalmology) · Madison, WI

  • NPI 1578912077
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1025 Regent St
Madison, WI 537151248
(608) 282-2000
fax (608) 282-2172

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
August 24, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Wisconsin #72754
Medicaid
WI #1578912077

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578912077. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,317
Distinct HCPCS
10
Medicare allowed
$312,519
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 381 312 $121
92136 Measurement of corneal curvature and depth of eye 368 215 $25
92083 Exam of visual field with extended testing 342 306 $60
92133 Imaging of optic nerve 341 326 $33
99213 Established patient office or other outpatient visit, 20-29 minutes 285 212 $85
66984 Removal of cataract with insertion of prosthetic lens 204 134 $413
99204 New patient office or other outpatient visit, 45-59 minutes 112 112 $155
65855 Laser repair to improve eye fluid flow 66 66 $276
65820 Incision to improve eye fluid flow 51 37 $732
92134 Imaging of retina 48 45 $37

In context: peer comparison

Among 26 peers in this city , average services per provider: 256. This provider delivers 9.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,009
Patients
1,447
Total drug cost
$190,967
Drug Type Claims Patients Total cost
Latanoprost Generic 665 188 $10,070
Prednisolone Acetate Generic 369 290 $22,429
Brimonidine Tartrate Generic 337 116 $14,781
Ofloxacin Generic 333 283 $5,021
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 328 121 $8,837
Ketorolac Tromethamine Generic 258 215 $5,350
Timolol Maleate Generic 250 83 $5,054
Dorzolamide Hcl Generic 116 41 $2,193
Lumigan (Bimatoprost) Brand 84 25 $42,383
Travoprost Generic 81 27 $13,810

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Powell's medical specialty?
Dr. Margaret Powell practices Ophthalmology Physician in Madison, WI.
Where does Dr. Margaret Powell practice?
Dr. Margaret Powell practices at 1025 Regent St, Madison, WI 537151248. Office phone: 6082822000.
What is Dr. Margaret Powell's NPI?
Dr. Margaret Powell's National Provider Identifier (NPI) is 1578912077, issued by NPPES.
Does Dr. Margaret Powell accept Medicare assignment?
Yes. Dr. Margaret Powell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Powell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Measurement of corneal curvature and depth of eye (HCPCS 92136); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.