Andrew George Iwach, MD
Ophthalmology Physician · San Francisco, CA
Andrew George Iwach, MD is an ophthalmology physician with a practice address in San Francisco, California, and NPI 1871682088, issued on Oct 12, 2006. Check the license (California G56142, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew George Iwach
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G56142 CA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Stevenson St, San Francisco, CA 94105
- Phone
- (415) 981-2020
- Enumerated
- Oct 12, 2006
- Record last updated
- Apr 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (415) 981-2019
- Medicaid ID
- 00G561421 CA
- Medicare enrollment
- Enrolled (PECOS I20080709000303); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 55 Stevenson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Terri-Diann Pickering, MDOphthalmology Physician1235228453
- Sunita Radhakrishnan, M.D.Ophthalmology Physician1578513248
Verify Andrew George Iwach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G56142Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.9 times the Medicare Part D claims of the average ophthalmology physician in 2024
7,420 Medicare Part D claims for 838 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Latanoprost1,469 claims
- Timolol Maleate755 claims
- Dorzolamide-Timolol734 claims
- Brimonidine Tartrate572 claims
- Vyzulta426 claims
- Prednisolone Acetate250 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,060.54
25 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Andrew G Iwach MD A Professional CorporationSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew George Iwach among 2,899 ophthalmology physician records in California
Andrew George Iwach, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1980 · median 2001 among the 1,907 with a school on file
- Record last updated2008 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in San Francisco → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Almira Chabi, MDSan Francisco, CA 941051811198419
- Terri-Diann Pickering, MDSan Francisco, CA 941051235228453
- Sunita Radhakrishnan, M.D.San Francisco, CA 941051578513248
- Qinyun Wang, M.D.San Francisco, CA 941041568856417
- Laila Basta, M.D.San Francisco, CA 941031316308257
- Negin Agange, MDSan Francisco, CA 941021760741045
- Melvyn Bert, M.D.San Francisco, CA 941021336236165
- Marc Cruciger, M.D.San Francisco, CA 941021225121791
Common questions
What is Andrew George Iwach, MD's NPI number?
Andrew George Iwach, MD's National Provider Identifier (NPI) is 1871682088, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew George Iwach, MD located?
The NPPES record lists a practice address at 55 Stevenson St, San Francisco, CA, 94105. Phone: (415) 981-2020. Providers update this record themselves, so call before visiting.
How can I verify Andrew George Iwach, MD's license?
NPPES lists California license number G56142, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew George Iwach, MD prescribe under Medicare Part D?
In 2024, Andrew George Iwach, MD had 7,420 Medicare Part D claims for 838 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Andrew George Iwach, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.