Dr. Christy Lynn Annis, MD
- Medicare services, 2024
- 442
- Medicare patients, 2024
- 290
- Part D claims, 2024
- 177
- Hospital affiliations
- 1
- Industry payments
- $482
- Practice address
- 5215 Holy Cross Pkwy, Mishawaka, IN 46545
- Practice phone
- Call (574) 335-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Annis' professional email, personal email and mobile number
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Dr. Christy Lynn Annis is an emergency medicine physician in Mishawaka, Indiana
Dr. Annis practices at Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana, part of Trinity Health.
Dr. Annis' NPI, 1104042597, was assigned on April 17, 2007. Dr. Annis holds Indiana license 01069919.
- NPI
- 1104042597NPI Registry (opens in a new tab)
- NPI enumeration date
- April 17, 2007
- NPI status
- Active
- Practice phone
- (574) 335-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Christy Lynn Annis practices at Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana
Dr. Annis' primary practice is Saint Joseph Mishawaka Medical Center, at 5215 Holy Cross Pkwy, Mishawaka, IN 46545 in St. Joseph County. The practice phone is (574) 335-5000.
- Saint Joseph Mishawaka Medical Center5215 Holy Cross Pkwy, Mishawaka, IN 46545 · St. Joseph CountyPhone(574) 335-5000
Source: Dmand AI Affiliation Data
Dr. Christy Lynn Annis is affiliated with 2 sites of care and 2 medical groups
Dr. Annis' primary practice is Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana, part of Trinity Health. The medical group on file is Vituity. Dmand AI also links Dr. Annis to 1 more therapy and rehab clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christy Lynn Annis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Annis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Joseph Mishawaka Medical Center | Available with a free account |
| +1 more site 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 Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Christy Lynn Annis is one of 1,275 emergency medicine physicians in Indiana
Emergency medicine is Dr. Annis' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Annis' licenses on file in 3 states: Indiana, Illinois and Ohio.
Specialties and state licenses
- Emergency medicine, IndianaPrimary
- Illinois license
- Ohio license
Emergency medicine physicians near Dr. Annis
Counts of emergency medicine physicians 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. Christy Lynn Annis billed Medicare for 442 services in 2024
CMS data shows 442 Medicare services from Dr. Annis across 4 procedure codes in 2024, for 290 Medicare patients. Medicare paid $34,337 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Annis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3272024: 28912%
- Tests and treatments
- 2023: 1862024: 15318%
Dr. Annis compared with the Indiana median for emergency medicine physicians, 2024
- Dr. Annis
- Indiana median
- Medicare services
- 442vs 30445% above
- Medicare patients
- 290vs 277Close to median
- Part D claims
- 53vs 9242% below
Medians across 1,276 emergency medicine physicians in Indiana with Dmand AI profiles that report each measure.
Dr. Annis' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Annis and other emergency medicine physicians in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christy Lynn Annis treated 290 Medicare patients in 2024, average age 74
CMS counts 290 Medicare patients who saw Dr. Annis in 2024. The largest group is 75 to 84, with 92 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.16, 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. Annis' median patient age at 72, with 54% women.
Dr. Annis' Medicare patients by age, 2024
Dr. Annis' Medicare patients by sex, 2024
- Women15955%
- Men13145%
Chronic conditions among Dr. Annis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Chronic kidney disease43%
- Mood disorders40%
- Diabetes38%
- Anxiety37%
- Depression37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Annis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christy Lynn Annis wrote 177 Medicare Part D claims in 2024
In 2024, Dr. Annis wrote 177 Medicare Part D claims for 116 patients. 94% of them were for generic drugs. CMS names the drug for 53 of them, across 3 drugs with 11 or more claims each, at $249 in total drug cost. In 2023, CMS named 74 claims across 5 drugs.
Dr. Annis' Part D claims by kind of drug, 2024
- Generic167 claims94%
- Brand-name and other10 claims6%
Dr. Annis' 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. Annis' Part D claims, 2024
- Opioids8%14 of 177 claims
- Antibiotics29%52 of 177 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: 742024: 5328%
Drugs named by CMS: 3 in 2024, 5 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
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Dr. Christy Lynn Annis received $482 in industry payments from 2016 to 2025
CMS Open Payments shows 12 general payments to Dr. Annis from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Portola Pharmaceuticals, LLC paid the most, $138.
General payments to Dr. Annis by program year, 2016 to 2025
Companies that paid Dr. Annis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Christy Lynn Annis'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Christy Lynn Annis
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. Christy Lynn Annis' NPI number?
Dr. Christy Lynn Annis' NPI number is 1104042597. It was assigned on April 17, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Christy Lynn Annis?
Dr. Christy Lynn Annis is an emergency medicine physician in Mishawaka, Indiana. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Christy Lynn Annis practice?
Dr. Annis practices at 5215 Holy Cross Pkwy, Mishawaka, IN 46545. Dr. Annis' primary practice is Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana, part of Trinity Health. Dmand AI also links Dr. Annis to 1 therapy and rehab clinic and 1 medical group.
What is Dr. Christy Lynn Annis' office phone number?
The practice phone on file for Dr. Annis is (574) 335-5000.
What is Dr. Christy Lynn Annis' medical license number?
Dr. Annis holds Indiana license 01069919, one of the licenses on file in 3 states.
Which states has Dr. Christy Lynn Annis been licensed in?
Dmand AI has state licenses on file for Dr. Annis in Indiana, Illinois and Ohio.
Which hospitals is Dr. Christy Lynn Annis affiliated with?
Dr. Annis practices at Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana.
What medical group is Dr. Christy Lynn Annis part of?
Dr. Annis is linked to Vituity. Dmand AI links Dr. Annis to 1 more medical group.
Does Dr. Christy Lynn Annis accept Medicare?
Yes. CMS data shows Dr. Annis billed Medicare for 442 services in 2024.
How many Medicare patients does Dr. Christy Lynn Annis see?
CMS counts 290 Medicare patients who saw Dr. Annis in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Christy Lynn Annis bill to Medicare?
In 2024, Dr. Annis' most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
What drugs does Dr. Christy Lynn Annis prescribe most?
In 2024 Medicare Part D data, Dr. Annis' most prescribed drugs by claims were Cephalexin, Ondansetron ODT and Hydrocodone-Acetaminophen.
Has Dr. Christy Lynn Annis received payments from drug or device companies?
CMS Open Payments shows $482 in general payments to Dr. Annis from 7 companies from 2016 to 2025. The largest total came from Portola Pharmaceuticals, LLC.
How long has Dr. Christy Lynn Annis been practicing?
Dr. Annis graduated from medical school in 2006, 20 years ago.
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