Registry data as of Aug 27, 2026

Margaret Blom, MD

Ophthalmology Physician · Ellsworth, ME

Margaret Blom, MD is an ophthalmology physician with a practice address in Ellsworth, Maine, and NPI 1205994415, issued on Dec 4, 2006. Check the license (Maine 013869, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1205994415
Name
Margaret Blom
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
013869 ME
Self-reported in NPPES; status is on the state search
Practice location
270 High St, Ellsworth, ME 04605
Phone
(207) 667-5999
Enumerated
Dec 4, 2006
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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Verify Margaret Blom 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 013869
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

44% fewer Medicare Part D claims than the average ophthalmology physician in 2024

840 Medicare Part D claims for 234 beneficiaries, against an average of 1,490 among the 16,109 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Margaret Blom840
  2. Specialty average1,490

Most prescribed

  1. Latanoprost272 claims
  2. Lumigan106 claims
  3. Brimonidine Tartrate102 claims
  4. Travoprost66 claims
  5. Alphagan P64 claims
  6. Timolol Maleate62 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 96 ophthalmology physician records in Maine.

Other ophthalmology physician records in Maine

  1. Frederick Armbruster, MDKittery, ME1699746362
  2. William Atlee, M.D.Augusta, ME1548236532
  3. Mark Balles, M.D.Portland, ME1780654392
  4. Oscar Batlle, M.D.Bangor, ME1447465737
  5. Richard Bazarian, MDPortland, ME1891791455
  6. A Berlin, M.D.Portland, ME1760414734
  7. Michelle Blew, O.D.Kennebunk, ME1891007688
  8. Allan Bogdan, MDRockport, ME1205036472
  9. Richard Brown, M.D.Farmington, ME1235108630
  10. Tracey Clark, DOBangor, ME1437314127

Common questions

What is Margaret Blom, MD's NPI number?

Margaret Blom, MD's National Provider Identifier (NPI) is 1205994415, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Blom, MD located?

The NPPES record lists a practice address at 270 High St, Ellsworth, ME, 04605. Phone: (207) 667-5999. Providers update this record themselves, so call before visiting.

How can I verify Margaret Blom, MD's license?

NPPES lists Maine license number 013869, 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 Margaret Blom, MD prescribe under Medicare Part D?

In 2024, Margaret Blom, MD had 840 Medicare Part D claims for 234 beneficiaries; the average among ophthalmology physician prescribers was 1,490. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.