NPPES file of Aug 9, 2026

Ann Mei-Chi Chiu, MD

Ophthalmology Physician · Presque Isle, ME

Ann Mei-Chi Chiu, MD is an ophthalmology physician with a practice address in Presque Isle, Maine, and NPI 1245018175, issued on Sep 21, 2023. Check the license (Maine MD27488, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245018175
Name
Ann Mei-Chi Chiu
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
MD27488 ME
Self-reported in NPPES; status is on the state search
Practice location
146 Academy St Ste D, Presque Isle, ME 04769
Phone
(207) 764-7900
Enumerated
Sep 21, 2023
Record last updated
Sep 21, 2023
Fax
(207) 764-7979
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 146 Academy St Ste D

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Morin, MDOphthalmology Physician1164512026

Verify Ann Mei-Chi Chiu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD27488
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

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41% fewer Medicare Part D claims than the average ophthalmology physician in 2024

899 Medicare Part D claims for 311 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.

  1. Ann Chiu899
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate178 claims
  2. Ketorolac Tromethamine114 claims
  3. Moxifloxacin100 claims
  4. Latanoprost98 claims
  5. Dorzolamide Hcl60 claims
  6. Erythromycin47 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.

Ophthalmology Physician providers in Maine

There are 98 ophthalmology physician records in Maine.

Other ophthalmology physician records in Maine

  1. Atish AminPortland, ME1154066173
  2. Frederick Armbruster, MDKittery, ME1699746362
  3. William Atlee, M.D.Augusta, ME1548236532
  4. Mark Balles, M.D.Portland, ME1780654392
  5. Oscar Batlle, M.D.Bangor, ME1447465737
  6. A Berlin, M.D.Portland, ME1760414734
  7. Margaret Blom, MDEllsworth, ME1205994415
  8. Allan Bogdan, MDRockport, ME1205036472
  9. John Bowman, M.D.Bangor, ME1396731006
  10. Richard Brown, M.D.Farmington, ME1235108630

Common questions

What is Ann Mei-Chi Chiu, MD's NPI number?

Ann Mei-Chi Chiu, MD's National Provider Identifier (NPI) is 1245018175, issued on Sep 21, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Ann Mei-Chi Chiu, MD located?

The NPPES record lists a practice address at 146 Academy St Ste D, Presque Isle, ME, 04769. Phone: (207) 764-7900. Providers update this record themselves, so call before visiting.

How can I verify Ann Mei-Chi Chiu, MD's license?

NPPES lists Maine license number MD27488, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ann Mei-Chi Chiu, MD prescribe under Medicare Part D?

In 2024, Ann Mei-Chi Chiu, MD had 899 Medicare Part D claims for 311 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

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.