NPPES file of Aug 9, 2026

Karann Jillian Ermis, OD

Optometrist · El Campo, TX

Karann Jillian Ermis, OD is an optometrist with a practice address in El Campo, Texas, and NPI 1699454587, issued on Jul 17, 2023. Check the license (Texas 10851T, as entered in NPPES) with the Texas 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
1699454587
Name
Karann Jillian Ermis
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
10851T TX
Self-reported in NPPES; status is on the state search
Practice location
2012 West Loop, El Campo, TX 77437
Phone
(979) 543-6821
Enumerated
Jul 17, 2023
Record last updated
Jul 21, 2023
Fax
(979) 543-6817
Medicare enrollment
Enrolled (PECOS I20230811000908); accepts Medicare assignment
Medical or professional school
University Of Houston - College Of Optometry, 2023
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 2012 West Loop

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

  1. Kayci Ermis, O.D.Optometrist1558743450
  2. Audrey Graham, ODOptometrist1932711785
  3. Christian Juarez, ODOptometrist1164355822

Verify Karann Jillian Ermis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 10851T
    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
Find the Texas license search

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12% more Medicare Part D claims than the average optometrist in 2024

311 Medicare Part D claims for 170 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. Karann Ermis311
  2. Specialty average277

Most prescribed

  1. Prednisolone Acetate53 claims
  2. Tobramycin-Dexamethasone42 claims
  3. Latanoprost39 claims
  4. Lumigan29 claims
  5. Doxycycline Hyclate27 claims
  6. Brimonidine Tartrate15 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: $373.21

4 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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. Karann Ermis$373.21
  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. Sight Studio, PLLCHouston, TX

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

Karann Jillian Ermis among 5,006 optometrist records in Texas

Karann Jillian Ermis, OD is one of 5,006 optometrist records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 89% of them.

  • NPI issued2023 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2023 · median 2010 among the 2,894 with a school on file
  • Record last updated2023 · 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 optometrist records list a practice address in El Campo

They are 5 of the 126 NPPES records with a practice address in El Campo, and 5,006 optometrist records in Texas.

The 8 optometrist records with the nearest ZIP codes

  1. Karl Ermis, O.D.El Campo, TX 774371972509461
  2. Kayci Ermis, O.D.El Campo, TX 774371558743450
  3. Audrey Graham, ODEl Campo, TX 774371932711785
  4. Christian Juarez, ODEl Campo, TX 774371164355822
  5. Megan Ahern, ODCypress, TX 774331851217178
  6. Linda BuiCypress, TX 774331043054141
  7. Jefferson Cadavez, ODCypress, TX 774331821834219
  8. Adrian ChangTomball, TX 774331659193142

Common questions

What is Karann Jillian Ermis, OD's NPI number?

Karann Jillian Ermis, OD's National Provider Identifier (NPI) is 1699454587, issued on Jul 17, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Karann Jillian Ermis, OD located?

The NPPES record lists a practice address at 2012 West Loop, El Campo, TX, 77437. Phone: (979) 543-6821. Providers update this record themselves, so call before visiting.

How can I verify Karann Jillian Ermis, OD's license?

NPPES lists Texas license number 10851T, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Karann Jillian Ermis, OD prescribe under Medicare Part D?

In 2024, Karann Jillian Ermis, OD had 311 Medicare Part D claims for 170 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.