NPPES file of Aug 9, 2026

Margaret Angela Shirk, O.D.

Optometrist · Elverson, PA

Margaret Angela Shirk, O.D. is an optometrist with a practice address in Elverson, Pennsylvania, and NPI 1730133414, issued on May 19, 2006. Check the license (Pennsylvania OEG001294, as entered in NPPES) with the Pennsylvania board that licenses this profession; 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
1730133414
Name
Margaret Angela Shirk
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
OEG001294 PA
Self-reported in NPPES; status is on the state search
Practice location
2514 Ridge RD, Elverson, PA 19520
Phone
(610) 913-0126
Enumerated
May 19, 2006
Record last updated
Feb 11, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(610) 913-2020
Medicare enrollment
Enrolled (PECOS I20040227000384); accepts Medicare assignment
Medical or professional school
Illinois College Of Optometry At Chicago, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Margaret Angela Shirk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license OEG001294
    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
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62% fewer Medicare Part D claims than the average optometrist in 2024

106 Medicare Part D claims for 21 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Margaret Shirk106
  2. Specialty average277

Most prescribed

  1. Latanoprost45 claims
  2. Dorzolamide-Timolol30 claims
  3. Timolol Maleate15 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.

Bills Medicare through one group practice

  1. Margaret A. Shirk O.D. And Associates IncElverson, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Margaret Angela Shirk among 2,640 optometrist records in Pennsylvania

Margaret Angela Shirk, O.D. is one of 2,640 optometrist records with a practice address in Pennsylvania. 72% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 48% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2000 · median 2004 among the 1,588 with a school on file
  • Record last updated2014 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 optometrist records list a practice address in Elverson

They are 2 of the 55 NPPES records with a practice address in Elverson, and 2,640 optometrist records in Pennsylvania.

The 8 optometrist records with the nearest ZIP codes

  1. Kelly Rizzo, O.D.Elverson, PA 195201982828851
  2. Richard ChristophGilbertsville, PA 195251528021284
  3. Lori Gray, ODGilbertsville, PA 195251790973964
  4. Cara Reitnauer, O.D.Gilbertsville, PA 195251750693131
  5. Justin Sleigh, ODGilbertsville, PA 195251154042943
  6. Jennifer Zerfass, O.D.Gilbertsville, PA 195251801157722
  7. Barbra Meehan, O.D.Hamburg, PA 195261376861724
  8. Edward Furman, O.D.Boyertown, PA 195121831273796

Common questions

What is Margaret Angela Shirk, O.D.'s NPI number?

Margaret Angela Shirk, O.D.'s National Provider Identifier (NPI) is 1730133414, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Angela Shirk, O.D. located?

The NPPES record lists a practice address at 2514 Ridge RD, Elverson, PA, 19520. Phone: (610) 913-0126. Providers update this record themselves, so call before visiting.

How can I verify Margaret Angela Shirk, O.D.'s license?

NPPES lists Pennsylvania license number OEG001294, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Margaret Angela Shirk, O.D. prescribe under Medicare Part D?

In 2024, Margaret Angela Shirk, O.D. had 106 Medicare Part D claims for 21 beneficiaries; the average among optometrist prescribers was 277. 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.