Caitlyn L. Mierau, PA-C
- Medicare patients, 2024
- 192
- Part D claims, 2024
- 469
- Hospital affiliations
- 2
- Industry payments
- $64
- Medical groups
- 3
- Practice address
- 600 Evergreen Dr, Glen Mills, PA 19342
- Practice phone
- Call (484) 678-8475
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
ChristianaCare Brinton Lake Endoscopy, LLC
Glen Mills, Pennsylvania
Find Caitlyn Mierau'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.
Caitlyn L. Mierau is a physician assistant in Glen Mills, Pennsylvania
Caitlyn Mierau practices at ChristianaCare Brinton Lake Endoscopy, LLC in Glen Mills, Pennsylvania.
Caitlyn Mierau's NPI, 1992279590, was assigned on January 16, 2019. Caitlyn Mierau holds Pennsylvania license MA062657.
- NPI
- 1992279590NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638513641
- NPI enumeration date
- January 16, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (484) 678-8475
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Caitlyn L. Mierau practices at ChristianaCare Brinton Lake Endoscopy, LLC in Glen Mills, Pennsylvania
Caitlyn Mierau's primary practice is ChristianaCare Brinton Lake Endoscopy, LLC, at 600 Evergreen Dr, Glen Mills, PA 19342 in Delaware County. The practice phone is (484) 678-8475.
- ChristianaCare Brinton Lake Endoscopy, LLC600 Evergreen Dr, Glen Mills, PA 19342 · Delaware CountyPhone(484) 678-8475
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Caitlyn L. Mierau is affiliated with 6 sites of care and 3 medical groups
Caitlyn Mierau's primary practice is ChristianaCare Brinton Lake Endoscopy, LLC in Glen Mills, Pennsylvania. Caitlyn Mierau is also affiliated with Lankenau Medical Center. The medical group on file is Pinnacle ENT Associates. Dmand AI also links Caitlyn Mierau to 1 more hospital, 3 group practices and clinics and 2 medical groups, 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 Caitlyn L. Mierau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Caitlyn Mierau practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ChristianaCare Brinton Lake Endoscopy, LLC | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Caitlyn L. Mierau is one of 6,491 physician assistants in Pennsylvania
Physician assistant is Caitlyn Mierau's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Caitlyn Mierau is licensed in Pennsylvania.
Specialties and state licenses
- Physician assistant, PennsylvaniaPrimary
Physician assistants near Caitlyn Mierau
Counts of physician 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
Caitlyn L. Mierau treated 192 Medicare patients in 2024, average age 76
CMS counts 192 Medicare patients who saw Caitlyn Mierau in 2024. The largest group is 65 to 74, with 79 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 9% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Caitlyn Mierau's median patient age at 68, with 59% women.
Caitlyn Mierau's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Caitlyn Mierau's Medicare patients by sex, 2024
- Women12264%
- Men7036%
Chronic conditions among Caitlyn Mierau's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis47%
- Osteoporosis27%
- Anxiety26%
- Diabetes26%
- Mood disorders25%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
Caitlyn Mierau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Caitlyn L. Mierau wrote 469 Medicare Part D claims in 2024
In 2024, Caitlyn Mierau wrote 469 Medicare Part D claims for 240 patients. 96% of them were for generic drugs.
Caitlyn Mierau's Part D claims by kind of drug, 2024
- Generic451 claims96%
- Brand-name18 claims4%
Drug classes CMS tracks in Caitlyn Mierau's Part D claims, 2024
- Antibiotics8%39 of 469 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
How Caitlyn L. Mierau takes part in Medicare
Caitlyn Mierau 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
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Caitlyn L. Mierau received $64 in industry payments in 2025
CMS Open Payments shows 3 general payments to Caitlyn Mierau from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $36.
Companies that paid Caitlyn Mierau the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Caitlyn L. Mierau'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) |
| 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 Caitlyn L. Mierau
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Caitlyn L. Mierau's NPI number?
Caitlyn L. Mierau's NPI number is 1992279590. It was assigned on January 16, 2019, and it is active in the NPI Registry.
What does Caitlyn L. Mierau specialize in?
Caitlyn L. Mierau is a physician assistant in Glen Mills, Pennsylvania. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Caitlyn L. Mierau practice?
Caitlyn Mierau practices at 600 Evergreen Dr, Glen Mills, PA 19342. Caitlyn Mierau's primary practice is ChristianaCare Brinton Lake Endoscopy, LLC in Glen Mills, Pennsylvania. Dmand AI also links Caitlyn Mierau to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Caitlyn L. Mierau's office phone number?
The practice phone on file for Caitlyn Mierau is (484) 678-8475.
What is Caitlyn L. Mierau's medical license number?
Caitlyn Mierau holds Pennsylvania license MA062657.
Which hospitals is Caitlyn L. Mierau affiliated with?
Caitlyn Mierau is affiliated with Lankenau Medical Center. Dmand AI links Caitlyn Mierau to 1 more hospital.
What medical group is Caitlyn L. Mierau part of?
Caitlyn Mierau is linked to Pinnacle ENT Associates. Dmand AI links Caitlyn Mierau to 2 more medical groups.
Does Caitlyn L. Mierau accept Medicare?
Yes. CMS lists Caitlyn Mierau as accepting Medicare assignment.
How many Medicare patients does Caitlyn L. Mierau see?
CMS counts 192 Medicare patients who saw Caitlyn Mierau in 2024, with an average age of 76.
Has Caitlyn L. Mierau received payments from drug or device companies?
CMS Open Payments shows $64 in general payments to Caitlyn Mierau from 2 companies from 2025 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Caitlyn L. Mierau been practicing?
Caitlyn Mierau graduated from medical school in 2021, 5 years ago.
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