Dr. Carrie Ann Horwitch, MD
- Medicare services, 2022
- 460
- Medicare patients, 2024
- 16
- Part D claims, 2023
- 91
- Affiliated sites
- 4
- Medical groups
- 2
- Practice address
- 1100 9th Ave, Seattle, WA 98101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Virginia Mason Medical Center - HOPD
Acute Care Hospital outpatient department · Seattle, Washington
Find Dr. Horwitch's 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. Carrie Ann Horwitch is an internist in Seattle, Washington
Dr. Horwitch practices at Virginia Mason Medical Center - HOPD in Seattle, Washington.
Dr. Horwitch's NPI, 1477574325, was assigned on July 23, 2006. Dr. Horwitch graduated from University of Arizona College of Medicine in 1987. Dr. Horwitch holds Washington license MD00028041.
- NPI
- 1477574325NPI Registry (opens in a new tab)
- NPI enumeration date
- July 23, 2006
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Carrie Ann Horwitch practices at Virginia Mason Medical Center - HOPD in Seattle, Washington
Dr. Horwitch's primary practice is Virginia Mason Medical Center - HOPD, at 1100 9th Ave, Seattle, WA 98101.
- Virginia Mason Medical Center - HOPD1100 9th Ave, Seattle, WA 98101
Source: Dmand AI Affiliation Data
Dr. Carrie Ann Horwitch is affiliated with 4 sites of care and 2 medical groups
Dr. Horwitch's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. The medical group on file is Virginia Mason Medical Center. Dmand AI also links Dr. Horwitch to 2 more group practices and clinics, 1 imaging center and 1 medical group, each named with a free account. Dr. Horwitch's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Carrie Ann Horwitch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horwitch practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Virginia Mason Medical Center - HOPD | Available with a free account |
| +3 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. Carrie Ann Horwitch is one of 2,689 internists in Washington
Internal medicine is Dr. Horwitch's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Horwitch is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Horwitch
Counts of internists 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. Carrie Ann Horwitch billed Medicare for 460 services in 2022
CMS data shows 460 Medicare services from Dr. Horwitch across 5 procedure codes in 2022, for 16 Medicare patients. Medicare paid $35,933 for them.
Dr. Horwitch's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 4472022: 34722%
- Other services
- 2021: 1382022: 8439%
- Surgery
- 2021: 302022: 293%
Where Dr. Horwitch's Medicare services took place, 2022
- In an office11525%
- In a facility34575%
Dr. Horwitch compared with the Washington median for internists, 2022
- Dr. Horwitch
- Washington median
- Medicare services
- 460vs 36426% above
- Medicare patients
- 16vs 16590% below
- Part D claims
- 91vs 18250% below
Medians across 2,604 internists in Washington with Dmand AI profiles that report each measure.
Dr. Horwitch's most billed Medicare procedure codes, 2022
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. Horwitch?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Horwitch and other internists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carrie Ann Horwitch treated 16 Medicare patients in 2024, average age 75
CMS counts 16 Medicare patients who saw Dr. Horwitch in 2024. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Horwitch's median patient age at 64, with 80% women.
Dr. Horwitch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women80%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carrie Ann Horwitch wrote 91 Medicare Part D claims in 2023
In 2023, Dr. Horwitch wrote 91 Medicare Part D claims. Every claim was for a generic drug. They cover 5 drugs, with $804 in total drug cost. In 2022, CMS named 2,415 claims across 65 drugs.
Dr. Horwitch's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2,4152023: 9196%
Drugs named by CMS: 5 in 2023, 65 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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. Carrie Ann Horwitch graduated from University of Arizona College of Medicine
Dr. Horwitch graduated from University of Arizona College of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Carrie Ann Horwitch'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 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) |
| 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. Carrie Ann Horwitch
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. Carrie Ann Horwitch's NPI number?
Dr. Carrie Ann Horwitch's NPI number is 1477574325. It was assigned on July 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carrie Ann Horwitch?
Dr. Carrie Ann Horwitch is an internist in Seattle, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Carrie Ann Horwitch practice?
Dr. Horwitch practices at 1100 9th Ave, Seattle, WA 98101. Dr. Horwitch's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dmand AI also links Dr. Horwitch to 2 group practices and clinics, 1 imaging center and 1 medical group.
What is Dr. Carrie Ann Horwitch's medical license number?
Dr. Horwitch holds Washington license MD00028041.
What medical group is Dr. Carrie Ann Horwitch part of?
Dr. Horwitch is linked to Virginia Mason Medical Center. Dmand AI links Dr. Horwitch to 1 more medical group.
Does Dr. Carrie Ann Horwitch accept Medicare?
Yes. CMS data shows Dr. Horwitch billed Medicare for 460 services in 2022.
How many Medicare patients does Dr. Carrie Ann Horwitch see?
CMS counts 16 Medicare patients who saw Dr. Horwitch in 2024, with an average age of 75.
What services does Dr. Carrie Ann Horwitch bill to Medicare?
In 2022, Dr. Horwitch's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99215).
Where did Dr. Carrie Ann Horwitch go to medical school?
Dr. Horwitch graduated from University of Arizona College of Medicine in 1987.
What drugs does Dr. Carrie Ann Horwitch prescribe most?
In 2023 Medicare Part D data, Dr. Horwitch's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Lisinopril.
How long has Dr. Carrie Ann Horwitch been practicing?
Dr. Horwitch graduated from medical school in 1987, 39 years ago.
Selling to internal medicine practices?
See internists in Washington 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