Karl Michael Ermis, OD
- Medicare patients, 2024
- 756
- Part D claims, 2024
- 1,406
- MIPS score, 2024
- 90
- Industry payments
- $28
- Affiliated sites
- 1
- Practice address
- 21420 Merchants Way, Katy, TX 77449
- Practice phone
- Call (713) 526-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Caplan-Berkeley, LLP
Katy, Texas
Find Karl Ermis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Karl Michael Ermis is an optometrist in Katy, Texas
Karl Ermis practices at Caplan-Berkeley, LLP in Katy, Texas.
Karl Ermis' NPI, 1972509461, was assigned on June 21, 2005. Karl Ermis graduated from University of Houston - College of Optometry in 1991. Karl Ermis holds Texas license 4459TG.
- NPI
- 1972509461NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103951819
- NPI enumeration date
- June 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 526-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Karl Michael Ermis practices at Caplan-Berkeley, LLP in Katy, Texas
Karl Ermis' primary practice is Caplan-Berkeley, LLP, at 21420 Merchants Way, Katy, TX 77449 in Harris County. The practice phone is (713) 526-1600.
- Caplan-Berkeley, LLP21420 Merchants Way, Katy, TX 77449 · Harris CountyPhone(713) 526-1600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Karl Michael Ermis is affiliated with 2 sites of care and 1 medical group
Karl Ermis' primary practice is Caplan-Berkeley, LLP in Katy, Texas. Dmand AI also links Karl Ermis to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Karl Michael Ermis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karl Ermis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Caplan-Berkeley, LLP | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Karl Michael Ermis is one of 3,272 optometrists in Texas
Optometrist is Karl Ermis' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Karl Ermis is licensed in Texas.
Specialties and state licenses
- Optometrist, TexasPrimary
Optometrists near Karl Ermis
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Karl Michael Ermis treated 756 Medicare patients in 2024, average age 76
CMS counts 756 Medicare patients who saw Karl Ermis in 2024. The largest group is 65 to 74, with 341 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Karl Ermis' median patient age at 75, with 56% women.
Karl Ermis' Medicare patients by age, 2024
Karl Ermis' Medicare patients by sex, 2024
- Women41254%
- Men34446%
Chronic conditions among Karl Ermis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Ischemic heart disease27%
- Diabetes26%
- Chronic kidney disease23%
- Anxiety21%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
Karl Ermis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Karl Michael Ermis wrote 1,406 Medicare Part D claims in 2024
In 2024, Karl Ermis wrote 1,406 Medicare Part D claims for 305 patients. 62% of them were for generic drugs.
Karl Ermis' Part D claims by kind of drug, 2024
- Generic878 claims62%
- Brand-name528 claims38%
Drug classes CMS tracks in Karl Ermis' Part D claims, 2024
- Antibiotics2%26 of 1,406 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Karl Michael Ermis scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Karl Ermis for performance year 2024, reported as part of a group. Karl Ermis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Karl Ermis' MIPS scores, performance year 2024
- 90of 100Final score
- 81.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Karl Michael Ermis received $28 in industry payments in 2025
CMS Open Payments shows 1 general payment to Karl Ermis from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $28.
Companies that paid Karl Ermis the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Karl Michael Ermis graduated from University of Houston - College of Optometry
Karl Ermis graduated from University of Houston - College of Optometry in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Karl Michael Ermis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Karl Michael Ermis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Karl Michael Ermis' NPI number?
Karl Michael Ermis' NPI number is 1972509461. It was assigned on June 21, 2005, and it is active in the NPI Registry.
What does Karl Michael Ermis specialize in?
Karl Michael Ermis is an optometrist in Katy, Texas. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Karl Michael Ermis practice?
Karl Ermis practices at 21420 Merchants Way, Katy, TX 77449. Karl Ermis' primary practice is Caplan-Berkeley, LLP in Katy, Texas. Dmand AI also links Karl Ermis to 1 group practice or clinic and 1 medical group.
What is Karl Michael Ermis' office phone number?
The practice phone on file for Karl Ermis is (713) 526-1600.
What is Karl Michael Ermis' medical license number?
Karl Ermis holds Texas license 4459TG.
Does Karl Michael Ermis accept Medicare?
Yes. CMS lists Karl Ermis as accepting Medicare assignment.
What is Karl Michael Ermis' MIPS score?
Karl Ermis' MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Karl Michael Ermis see?
CMS counts 756 Medicare patients who saw Karl Ermis in 2024, with an average age of 76.
Where did Karl Michael Ermis go to medical school?
Karl Ermis graduated from University of Houston - College of Optometry in 1991.
Has Karl Michael Ermis received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Karl Ermis from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Karl Michael Ermis been practicing?
Karl Ermis graduated from medical school in 1991, 35 years ago.
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