Dr. Carissa Lynn Klaas I, MD
- Medicare services, 2024
- 5,874
- Medicare patients, 2024
- 257
- Part D claims, 2024
- 226
- Industry payments
- $3,683
- Affiliated sites
- 2
- Practice address
- 1481 W 10th St, Indianapolis, IN 46202
- Practice phone
- Call (608) 821-7200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Roudebush VA Medical Center
Indianapolis, Indiana
Find Dr. Klaas' 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.
Dr. Carissa Lynn Klaas I is an ophthalmologist in Indianapolis, Indiana
Dr. Klaas practices at Roudebush VA Medical Center in Indianapolis, Indiana.
Dr. Klaas' NPI, 1740488378, was assigned on July 5, 2007. Dr. Klaas graduated from Indiana University School of Medicine in 2005. Dr. Klaas holds New Mexico license MD2022-0402.
- NPI
- 1740488378NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284787524
- NPI enumeration date
- July 5, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 821-7200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carissa Lynn Klaas I practices at Roudebush VA Medical Center in Indianapolis, Indiana
Dr. Klaas' primary practice is Roudebush VA Medical Center, at 1481 W 10th St, Indianapolis, IN 46202 in Marion County. The practice phone is (608) 821-7200.
- Roudebush VA Medical Center1481 W 10th St, Indianapolis, IN 46202 · Marion CountyPhone(608) 821-7200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Carissa Lynn Klaas I is affiliated with 3 sites of care and 2 medical groups
Dr. Klaas' primary practice is Roudebush VA Medical Center in Indianapolis, Indiana. The medical group on file is UNM Medical Group, Inc. Dmand AI also links Dr. Klaas to 1 more physician office, 1 ambulatory surgery center 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 Dr. Carissa Lynn Klaas I's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klaas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Roudebush VA Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Carissa Lynn Klaas I is one of 226 ophthalmologists in Indiana
Ophthalmology is Dr. Klaas' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Klaas is licensed in New Mexico.
Specialties and state licenses
- Ophthalmology, New MexicoPrimary
Ophthalmologists near Dr. Klaas
Counts of ophthalmologists 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
Dr. Carissa Lynn Klaas I billed Medicare for 5,874 services in 2024
CMS data shows 5,874 Medicare services from Dr. Klaas across 13 procedure codes in 2024, for 257 Medicare patients. Medicare paid $335,393 for them. Every service was in an office.
Dr. Klaas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 382024: 3,7919876%
- Tests and treatments
- 2023: 1932024: 1,449651%
- Surgery
- 2023: 522024: 5771010%
- Office and hospital visits
- 2023: 222024: 4082%
- Imaging
- 2023: 02024: 17
Dr. Klaas compared with the Indiana median for ophthalmologists, 2024
- Dr. Klaas
- Indiana median
- Medicare services
- 5,874vs 2,0222.9 times
- Medicare patients
- 257vs 67562% below
- Part D claims
- 175vs 70275% below
Medians across 240 ophthalmologists in Indiana with Dmand AI profiles that report each measure.
Dr. Klaas' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Klaas?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klaas and other ophthalmologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carissa Lynn Klaas I treated 257 Medicare patients in 2024, average age 77
CMS counts 257 Medicare patients who saw Dr. Klaas in 2024. The largest group is 65 to 74, with 95 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Klaas' median patient age at 74, with 58% women.
Dr. Klaas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Klaas' Medicare patients by sex, 2024
- Women16564%
- Men9236%
Chronic conditions among Dr. Klaas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Diabetes35%
- Chronic kidney disease33%
- Ischemic heart disease32%
- Anxiety30%
- Mood disorders29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Klaas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carissa Lynn Klaas I wrote 226 Medicare Part D claims in 2024
In 2024, Dr. Klaas wrote 226 Medicare Part D claims for 86 patients. 75% of them were for generic drugs. CMS names the drug for 175 of them, across 7 drugs with 11 or more claims each, at $4,142 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
Dr. Klaas' Part D claims by kind of drug, 2024
- Generic170 claims75%
- Brand-name56 claims25%
Dr. Klaas' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Klaas' Part D claims, 2024
- Antibiotics6%13 of 226 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 262024: 175573%
Drugs named by CMS: 7 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Carissa Lynn Klaas I takes part in Medicare
Dr. Klaas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Carissa Lynn Klaas I received $3,683 in industry payments from 2016 to 2025
CMS Open Payments shows 66 general payments to Dr. Klaas from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 64% of the total. Alimera Sciences, Inc. paid the most, $1,339.
General payments to Dr. Klaas by program year, 2016 to 2025
General payments to Dr. Klaas by kind, 2016 to 2025
- Food and beverage$2,36764%
- Honoraria$1,21033%
- Education$1063%
Companies that paid Dr. Klaas the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carissa Lynn Klaas I graduated from Indiana University School of Medicine
Dr. Klaas graduated from Indiana University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Carissa Lynn Klaas I'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| 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 Dr. Carissa Lynn Klaas I
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Carissa Lynn Klaas I's NPI number?
Dr. Carissa Lynn Klaas I's NPI number is 1740488378. It was assigned on July 5, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Carissa Lynn Klaas I?
Dr. Carissa Lynn Klaas I is an ophthalmologist in Indianapolis, Indiana. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Carissa Lynn Klaas I practice?
Dr. Klaas practices at 1481 W 10th St, Indianapolis, IN 46202. Dr. Klaas' primary practice is Roudebush VA Medical Center in Indianapolis, Indiana. Dmand AI also links Dr. Klaas to 1 physician office, 1 ambulatory surgery center and 1 medical group.
What is Dr. Carissa Lynn Klaas I's office phone number?
The practice phone on file for Dr. Klaas is (608) 821-7200.
What is Dr. Carissa Lynn Klaas I's medical license number?
Dr. Klaas holds New Mexico license MD2022-0402.
What medical group is Dr. Carissa Lynn Klaas I part of?
Dr. Klaas is linked to UNM Medical Group, Inc. Dmand AI links Dr. Klaas to 1 more medical group.
Does Dr. Carissa Lynn Klaas I accept Medicare?
Yes. CMS data shows Dr. Klaas billed Medicare for 5,874 services in 2024, and Dr. Klaas accepts Medicare assignment.
How many Medicare patients does Dr. Carissa Lynn Klaas I see?
CMS counts 257 Medicare patients who saw Dr. Klaas in 2024, with an average age of 77.
What services does Dr. Carissa Lynn Klaas I bill to Medicare?
In 2024, Dr. Klaas' most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and surgery: eye (67028).
Where did Dr. Carissa Lynn Klaas I go to medical school?
Dr. Klaas graduated from Indiana University School of Medicine in 2005.
Show 3 more questionsShow fewer questions
What drugs does Dr. Carissa Lynn Klaas I prescribe most?
In 2024 Medicare Part D data, Dr. Klaas' most prescribed drugs by claims were Neomycin-Polymyxin-Dexameth, Prednisolone Acetate and Ketorolac Tromethamine.
Has Dr. Carissa Lynn Klaas I received payments from drug or device companies?
CMS Open Payments shows $3,683 in general payments to Dr. Klaas from 17 companies from 2016 to 2025. The largest total came from Alimera Sciences, Inc.
How long has Dr. Carissa Lynn Klaas I been practicing?
Dr. Klaas graduated from medical school in 2005, 21 years ago.
Selling to ophthalmology practices?
See ophthalmologists in Indiana by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card