Katherine Callahan Grommersch, CAA
- Medicare patients, 2024
- 64
- Hospital affiliations
- 3
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 92 W Miller St, Orlando, FL 32806
- Practice phone
- Call (407) 650-5028
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arnold Palmer Hospital for Children
Orlando, Florida
Find Katherine Grommersch'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.
Katherine Callahan Grommersch is an anesthesiologist assistant in Orlando, Florida
Katherine Grommersch practices at Arnold Palmer Hospital for Children in Orlando, Florida.
Katherine Grommersch's NPI, 1104341494, was assigned on August 7, 2017.
- NPI
- 1104341494NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597021287
- NPI enumeration date
- August 7, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (407) 650-5028
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine Callahan Grommersch practices at Arnold Palmer Hospital for Children in Orlando, Florida
Katherine Grommersch's primary practice is Arnold Palmer Hospital for Children, at 92 W Miller St, Orlando, FL 32806 in Orange County. The practice phone is (407) 650-5028.
- Arnold Palmer Hospital for Children92 W Miller St, Orlando, FL 32806 · Orange CountyPhone(407) 650-5028
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katherine Callahan Grommersch is affiliated with 5 sites of care and 2 medical groups
Katherine Grommersch's primary practice is Arnold Palmer Hospital for Children in Orlando, Florida. Katherine Grommersch is also affiliated with Orlando Regional Medical Center. The medical group on file is Anesthesiologists of Greater Orlando. Dmand AI also links Katherine Grommersch to 2 more hospitals, 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 Katherine Callahan Grommersch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Grommersch practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arnold Palmer Hospital for Children | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Katherine Callahan Grommersch is one of 851 anesthesiologist assistants in Florida
Anesthesiologist assistant is Katherine Grommersch's primary specialty in the NPI Registry, under taxonomy code 367H00000X.
Specialties and state licenses
- Anesthesiologist assistantPrimary
Anesthesiologist assistants near Katherine Grommersch
Counts of anesthesiologist assistants 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
Katherine Callahan Grommersch treated 64 Medicare patients in 2024, average age 72
CMS counts 64 Medicare patients who saw Katherine Grommersch in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Katherine Grommersch's median patient age at 52, with 66% women.
Katherine Grommersch's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Katherine Grommersch's Medicare patients by sex, 2024
- Women3453%
- Men3047%
Chronic conditions among Katherine Grommersch's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes33%
- Ischemic heart disease33%
- Mood disorders31%
- Depression30%
- Anxiety23%
Share of Medicare patients with each condition. A patient can have several.
Katherine Grommersch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Katherine Callahan Grommersch takes part in Medicare
Katherine Grommersch 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)
Sources for Katherine Callahan Grommersch'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Katherine Callahan Grommersch
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What is Katherine Callahan Grommersch's NPI number?
Katherine Callahan Grommersch's NPI number is 1104341494. It was assigned on August 7, 2017, and it is active in the NPI Registry.
What does Katherine Callahan Grommersch specialize in?
Katherine Callahan Grommersch is an anesthesiologist assistant in Orlando, Florida. The primary specialty in the NPI Registry is Anesthesiologist Assistant (taxonomy code 367H00000X).
Where does Katherine Callahan Grommersch practice?
Katherine Grommersch practices at 92 W Miller St, Orlando, FL 32806. Katherine Grommersch's primary practice is Arnold Palmer Hospital for Children in Orlando, Florida. Dmand AI also links Katherine Grommersch to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Katherine Callahan Grommersch's office phone number?
The practice phone on file for Katherine Grommersch is (407) 650-5028.
Which hospitals is Katherine Callahan Grommersch affiliated with?
Katherine Grommersch is affiliated with Orlando Regional Medical Center. Dmand AI links Katherine Grommersch to 2 more hospitals.
What medical group is Katherine Callahan Grommersch part of?
Katherine Grommersch is linked to Anesthesiologists of Greater Orlando. Dmand AI links Katherine Grommersch to 1 more medical group.
Does Katherine Callahan Grommersch accept Medicare?
Yes. CMS lists Katherine Grommersch as accepting Medicare assignment.
How many Medicare patients does Katherine Callahan Grommersch see?
CMS counts 64 Medicare patients who saw Katherine Grommersch in 2024, with an average age of 72.
How long has Katherine Callahan Grommersch been practicing?
Katherine Grommersch graduated from medical school in 2017, 9 years ago.
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