NPPES file of Aug 9, 2026

Karen L. Slate, O.D.

Optometrist · Milford, DE

Karen L. Slate, O.D. is an optometrist with a practice address in Milford, Delaware, and NPI 1154552453, issued on Aug 4, 2009. Check the license (Delaware I30011427, as entered in NPPES) with the Delaware 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
1154552453
Name
Karen L. Slate
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
I30011427 DE
OEG002275 PA
Self-reported in NPPES; status is on the state search
Practice location
101 Wellness Way, Milford, DE 19963
Phone
(302) 424-5420
Enumerated
Aug 4, 2009
Record last updated
Nov 23, 2022
Fax
(302) 424-5426
Medicare enrollment
Enrolled (PECOS I20200819001763); accepts Medicare assignment
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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Also registered at 101 Wellness Way

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

  1. Suzanne Bagas, MDPediatrics Physician1932125812
  2. Hayley BurnheimerPediatric Nurse Practitioner1386451409
  3. Jolene Dickerson, APNNurse Practitioner1104945344
  4. Lisa Gatts, CCC-SLPSpeech-Language Pathologist1215548821
  5. Allison Kell, PA-CPhysician Assistant1336812551
  6. Savanah Laznik, AUDAudiologist1245094929

Verify Karen L. Slate in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware board licenses this profession
    Search for license I30011427
    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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77% more Medicare Part D claims than the average optometrist in 2024

490 Medicare Part D claims for 122 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Karen Slate490
  2. Specialty average277

Most prescribed

  1. Latanoprost121 claims
  2. Erythromycin55 claims
  3. Restasis50 claims
  4. Lumigan34 claims
  5. Cyclosporine30 claims
  6. Dorzolamide Hcl30 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.

Industry payments in 2024: $105.31

4 payments; by number, the most common kind was food and beverage; the largest payer was Dompe US, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Slate$105.31
  2. Specialty average$769.99

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

  1. The Nemours FoundationMilford, DE

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

Karen L. Slate among 164 optometrist records in Delaware

Karen L. Slate, O.D. is one of 164 optometrist records with a practice address in Delaware. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 62% of them.

  • NPI issued2009 · 62% of these records are older, 35% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2009 · median 2007 among the 116 with a school on file
  • Record last updated2022 · 59% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Delaware

There are 164 optometrist records in Delaware.

The 8 optometrist records with the nearest ZIP codes

  1. I Halpern, O. D.Milford, DE 199631821062936
  2. Medhat Iskander, ODMilford, DE 199631588630214
  3. Lance Underwood, ODMilford, DE 199631407823933
  4. Whitfield Warmouth, O.D.Milford, DE 199631588714646
  5. Samantha Kravetz, ODMillville, DE 199671295265734
  6. Nhu Y Le, ODMillville, DE 199671700433505
  7. Jacob Tonozzi, O.D.Millville, DE 199671518245356
  8. Thomas Bastholm, O.D.Lewes, DE 199581295808848

Common questions

What is Karen L. Slate, O.D.'s NPI number?

Karen L. Slate, O.D.'s National Provider Identifier (NPI) is 1154552453, issued on Aug 4, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Karen L. Slate, O.D. located?

The NPPES record lists a practice address at 101 Wellness Way, Milford, DE, 19963. Phone: (302) 424-5420. Providers update this record themselves, so call before visiting.

How can I verify Karen L. Slate, O.D.'s license?

NPPES lists Delaware license number I30011427, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.

How much does Karen L. Slate, O.D. prescribe under Medicare Part D?

In 2024, Karen L. Slate, O.D. had 490 Medicare Part D claims for 122 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.