PROVIDER PROFILE · NPI 1871682088

Andrew IwachMD

PRACTICEANDREW G. IWACH MD A PROFESSIONAL CORPORATIONSee all providers at this practice →

OphthalmologySan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,806

Unique beneficiaries

—

Total services

5,338

Distinct HCPCS

Medicare payment

$358K

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — top quintile (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

7,329

Beneficiaries

—

Total drug cost

$1.0M

Distinct drugs

Brand share

44.3%

Top prescribed drugs

Latanoprost1,469 claims

Timolol Maleate755 claims

Dorzolamide Hcl/Timolol Maleat734 claims

Brimonidine Tartrate572 claims

Latanoprostene Bunod426 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$4K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2K

Food and Beverage$1K

Consulting Fee$900

REFERRAL NETWORK

Where Andrew Iwach's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Eye Surgical Center Of San Francisco Llc Ambulatory Surgical Center · San Francisco, CA	53	67
MARIN GENERAL HOSPITAL	32	82
Terri-Diann Pickering Ophthalmology · San Francisco, CA	26	43
NPI 1447682380	23	52
UCSF HEALTH COMMUNITY HOSPITALS	17	29
UCSF HEALTH COMMUNITY HOSPITALS	14	21
Yi Chiang Anesthesiology · Daly City, CA	13	13

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history