Annette Lynn Giangiacomo, MD
Ophthalmology Physician · Green Bay, WI
Annette Lynn Giangiacomo, MD is an ophthalmology physician with a practice address in Green Bay, Wisconsin, and NPI 1912929019, issued on Jul 25, 2006. Check the license (Wisconsin 44891, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Annette Lynn Giangiacomo
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 44891 WI
A91112 CA
2006-01410 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1087 W Mason St, Green Bay, WI 54303
- Phone
- (920) 499-3102
- Enumerated
- Jul 25, 2006
- Record last updated
- Jun 4, 2024
- Fax
- (920) 499-9636
- Medicare enrollment
- Enrolled (PECOS I20191007000237); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 441 in Wisconsin → Look up another NPI →
Also registered at 1087 W Mason St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kunal Patel, MDOphthalmology Physician1922425040
- Michael Servi, O.D.Optometrist1144600743
- Matthew Thompson, M.D.Ophthalmology Physician1659336733
Verify Annette Lynn Giangiacomo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 44891Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average ophthalmology physician in 2024
2,420 Medicare Part D claims for 523 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Latanoprost614 claims
- Brimonidine Tartrate330 claims
- Timolol Maleate272 claims
- Dorzolamide-Timolol264 claims
- Dorzolamide Hcl184 claims
- Rhopressa179 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $15.06
1 payment: food and beverage; the largest payer was Abbvie 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
- Tower Clock Eye Center SCGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Annette Lynn Giangiacomo among 441 ophthalmology physician records in Wisconsin
Annette Lynn Giangiacomo, MD is one of 441 ophthalmology physician records with a practice address in Wisconsin. 71% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 38% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2001 · median 2005 among the 259 with a school on file
- Record last updated2024 · 65% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Wisconsin
There are 441 ophthalmology physician records in Wisconsin.
All 441 in Wisconsin → Every provider in Green Bay → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Madeline Almond, MDGreen Bay, WI 543031720098288
- Dianna Bordewick, MDGreen Bay, WI 543031790720100
- Pamela Dobson, DOGreen Bay, WI 543031316932197
- Charles Errico, MDGreen Bay, WI 543031871538132
- William Foster, MDGreen Bay, WI 543031568490829
- Kara Harbick, MDGreen Bay, WI 543031366481772
- Richard Heckert, MDGreen Bay, WI 543031467498915
- Larry Meyer, MDGreen Bay, WI 543031083643407
Common questions
What is Annette Lynn Giangiacomo, MD's NPI number?
Annette Lynn Giangiacomo, MD's National Provider Identifier (NPI) is 1912929019, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Annette Lynn Giangiacomo, MD located?
The NPPES record lists a practice address at 1087 W Mason St, Green Bay, WI, 54303. Phone: (920) 499-3102. Providers update this record themselves, so call before visiting.
How can I verify Annette Lynn Giangiacomo, MD's license?
NPPES lists Wisconsin license number 44891, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Annette Lynn Giangiacomo, MD prescribe under Medicare Part D?
In 2024, Annette Lynn Giangiacomo, MD had 2,420 Medicare Part D claims for 523 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Annette Lynn Giangiacomo, MD's MIPS final score?
The 2023 MIPS final score is 80.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.