Margaret L. Blom, MD
Ophthalmology Physician · Ellsworth, ME
Margaret L. 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.
- Name
- Margaret L. 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
- Record last updated
- Aug 11, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (207) 667-0555
- Medicaid ID
- 130420099 ME
- Medicare enrollment
- Enrolled (PECOS I20040301000928); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 1983
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 98 in Maine → Look up another NPI →
Verify Margaret L. Blom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 013869Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average ophthalmology physician in 2024
840 Medicare Part D claims for 234 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Latanoprost272 claims
- Lumigan106 claims
- Brimonidine Tartrate102 claims
- Travoprost66 claims
- Alphagan P64 claims
- 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.
Margaret L. Blom among 98 ophthalmology physician records in Maine
Margaret L. Blom, MD is one of 98 ophthalmology physician records with a practice address in Maine. 68% 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 24% of them.
- NPI issued2006 · 24% of these records are older, 39% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1983 · median 2001 among the 50 with a school on file
- Record last updated2016 · 63% 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 Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Maine
There are 98 ophthalmology physician records in Maine.
All 98 in Maine → Every provider in Ellsworth → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Timber Gorman, MDTrenton, ME 046051619933215
- Bartlett Hayes, M.D.Ellsworth, ME 046051821106147
- Catherine Meyerle, MDEllsworth, ME 046051225235633
- Walter Muth, M.D.Ellsworth, ME 046051497721161
- Isaac Rudloe, M.D.Ellsworth, ME 046051215156534
- John Lewis, M.D.Newcastle, ME 045531447253703
- Kaitlyn Nolan, M.D.Newcastle, ME 045531417214370
- Roy Seibel, MDNewcastle, ME 045531376540716
Common questions
What is Margaret L. Blom, MD's NPI number?
Margaret L. 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 L. 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 L. 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 L. Blom, MD prescribe under Medicare Part D?
In 2024, Margaret L. Blom, MD had 840 Medicare Part D claims for 234 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.