Doctor profile · Federal record

Dr. Andrew Iwach, MD

Ophthalmology Physician (CMS: Ophthalmology) · San Francisco, CA

  • NPI 1871682088
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 46 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Stevenson St
San Francisco, CA 941052936
(415) 981-2020
fax (415) 981-2019

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
April 15, 2008
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #G56142
Medicaid
CA #00G561421

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871682088. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,114
Distinct HCPCS
10
Medicare allowed
$534,240
HCPCS Description Services Patients Avg allowed
92133 Imaging of optic nerve 1,128 825 $44
92014 Established patient complete exam of visual system 1,119 748 $157
92083 Exam of visual field with extended testing 1,051 797 $80
92012 Established patient problem focused exam of visual system 1,016 605 $112
92020 Exam of the internal drainage system of eye 332 324 $34
92004 New patient complete exam of visual system 97 97 $185
76514 Ultrasound scan of cornea to determine thickness 93 93 $13
92136 Measurement of corneal curvature and depth of eye 69 64 $58
66821 Removal of recurring cataract in lens capsule using a laser 54 43 $401
92250 Photography of the retina 42 41 $46

In context: peer comparison

Among 32 peers in this city , average services per provider: 147. This provider delivers 35× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,061
Transactions
25
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas Inc. 4 $2,207.22
Thea Pharma Inc. 6 $995.95
NEW WORLD MEDICAL,INC. 2 $498.46
Alcon Vision LLC 10 $282.48
ABBVIE INC. 3 $76.43

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$2,000
Food and Beverage
$1,161
Consulting Fee
$900

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,463
Patients
1,353
Total drug cost
$803,300
Drug Type Claims Patients Total cost
Latanoprost Generic 1,459 328 $28,401
Timolol Maleate Generic 747 190 $14,405
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 669 159 $17,670
Vyzulta (Latanoprostene Bunod) Brand 365 82 $149,920
Brimonidine Tartrate Generic 357 85 $17,660
Lumigan (Bimatoprost) Brand 302 54 $106,402
Alphagan P (Brimonidine Tartrate) Brand 264 60 $101,610
Prednisolone Acetate Generic 214 122 $8,062
Rocklatan (Netarsudil Mesylat/Latanoprost) Brand 209 52 $121,334
Dorzolamide Hcl Generic 205 60 $7,116

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Iwach's medical specialty?
Dr. Andrew Iwach practices Ophthalmology Physician in San Francisco, CA.
Where does Dr. Andrew Iwach practice?
Dr. Andrew Iwach practices at 55 Stevenson St, San Francisco, CA 941052936. Office phone: 4159812020.
What is Dr. Andrew Iwach's NPI?
Dr. Andrew Iwach's National Provider Identifier (NPI) is 1871682088, issued by NPPES.
Does Dr. Andrew Iwach accept Medicare assignment?
Yes. Dr. Andrew Iwach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Iwach commonly perform?
Top Medicare-reported procedures in 2023: Imaging of optic nerve (HCPCS 92133); Established patient complete exam of visual system (HCPCS 92014); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.