Caitlin Sommer Boyak, NP

  • Ann Arbor, MI
  • Nurse practitioner
NPI1508513714PAC ID2062809130
Medicare patients, 2024
214
Part D claims, 2024
528
Hospital affiliations
2
Industry payments
$186
Medical groups
2
Practice address
1500 E Medical Center Dr, Ann Arbor, MI 48109
Practice phone
Call (734) 936-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University Hospital

School-Based Health Center · Ann Arbor, Michigan

See all 5 affiliations

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Caitlin Sommer Boyak is a nurse practitioner in Ann Arbor, Michigan

Caitlin Boyak practices at University Hospital in Ann Arbor, Michigan.

Caitlin Boyak's NPI, 1508513714, was assigned on March 8, 2022. Caitlin Boyak holds Michigan license 4704303958.

NPI and contact details
Medicare PAC ID
2062809130
NPI enumeration date
March 8, 2022
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(734) 936-4000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
31
Medical school graduation
2021

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Caitlin Sommer Boyak practices at University Hospital in Ann Arbor, Michigan

Caitlin Boyak's primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.

  • University Hospital
    1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000

Source: Dmand AI Affiliation Data

Caitlin Sommer Boyak is affiliated with 3 sites of care and 2 medical groups

Caitlin Boyak's primary practice is University Hospital in Ann Arbor, Michigan. Caitlin Boyak is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Dmand AI also links Caitlin Boyak to 1 more hospital and 1 medical group, each named with a free account. Caitlin Boyak's employer is on file too: a school & student health.

See all 5 affiliations for Caitlin Boyak

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Caitlin Sommer Boyak's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Caitlin Boyak practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University HospitalAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Caitlin Sommer Boyak is one of 2,742 nurse practitioners in Michigan

Nurse practitioner is Caitlin Boyak's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dmand AI has Caitlin Boyak's licenses on file in 2 states: Michigan and Illinois.

Specialties and state licenses

  • Nurse practitioner, MichiganPrimaryLicense 4704303958 · taxonomy 363L00000X
  • Acute care nurse practitioner, IllinoisLicense PENDING · taxonomy 363LA2100X

Nurse practitioners near Caitlin Boyak

Counts of nurse practitioners 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

Caitlin Sommer Boyak treated 214 Medicare patients in 2024, average age 75

CMS counts 214 Medicare patients who saw Caitlin Boyak in 2024. The largest group is 75 to 84, with 88 patients. 75% of them have atrial fibrillation, and 75% have high blood pressure. 36% are also on Medicaid. Their average risk score is 2.13, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Caitlin Boyak's median patient age at 70, with 41% women.

Medicare patients, 2024214
Average age75
Average risk score2.13
Also on Medicaid36%

Caitlin Boyak's Medicare patients by age, 2024

Caitlin Boyak's Medicare patients by sex, 2024

  • Women11453%
  • Men10047%

Chronic conditions among Caitlin Boyak's Medicare patients, 2024

  1. Atrial fibrillation75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Ischemic heart disease57%
  5. Arthritis56%
  6. Heart failure53%
  7. Diabetes38%
  8. Chronic kidney disease37%

Share of Medicare patients with each condition. A patient can have several.

Caitlin Boyak's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women41%
  • Men59%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Caitlin Sommer Boyak wrote 528 Medicare Part D claims in 2024

In 2024, Caitlin Boyak wrote 528 Medicare Part D claims for 186 patients. 69% of them were for generic drugs.

Part D claims, 2024528
Part D patients186

Caitlin Boyak's Part D claims by kind of drug, 2024

  • Generic363 claims69%
  • Brand-name165 claims31%

Drug classes CMS tracks in Caitlin Boyak's Part D claims, 2024

  • Antibiotics2%12 of 528 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

Caitlin Sommer Boyak offers telehealth to Medicare patients

Caitlin Boyak accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Caitlin Boyak as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Caitlin Sommer Boyak received $186 in industry payments in 2025

CMS Open Payments shows 2 general payments to Caitlin Boyak from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Biotronik Inc. paid the most, $111.

Companies that paid Caitlin Boyak the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Caitlin Boyak

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Caitlin Sommer Boyak's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Caitlin Sommer Boyak

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Caitlin Sommer Boyak's NPI number?

Caitlin Sommer Boyak's NPI number is 1508513714. It was assigned on March 8, 2022, and it is active in the NPI Registry.

What does Caitlin Sommer Boyak specialize in?

Caitlin Sommer Boyak is a nurse practitioner in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Caitlin Sommer Boyak practice?

Caitlin Boyak practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Caitlin Boyak's primary practice is University Hospital in Ann Arbor, Michigan. Dmand AI also links Caitlin Boyak to 1 hospital and 1 medical group.

What is Caitlin Sommer Boyak's office phone number?

The practice phone on file for Caitlin Boyak is (734) 936-4000.

What is Caitlin Sommer Boyak's medical license number?

Caitlin Boyak holds Michigan license 4704303958, one of the licenses on file in 2 states.

Which states has Caitlin Sommer Boyak been licensed in?

Dmand AI has state licenses on file for Caitlin Boyak in Michigan and Illinois.

Which hospitals is Caitlin Sommer Boyak affiliated with?

Caitlin Boyak is affiliated with University Hospital. Dmand AI links Caitlin Boyak to 1 more hospital.

What medical group is Caitlin Sommer Boyak part of?

Caitlin Boyak is linked to University of Michigan Health. Dmand AI links Caitlin Boyak to 1 more medical group.

Does Caitlin Sommer Boyak accept Medicare?

Yes. CMS lists Caitlin Boyak as accepting Medicare assignment.

Does Caitlin Sommer Boyak offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Caitlin Boyak as offering telehealth services.

Show 3 more questionsShow fewer questions

How many Medicare patients does Caitlin Sommer Boyak see?

CMS counts 214 Medicare patients who saw Caitlin Boyak in 2024, with an average age of 75.

Has Caitlin Sommer Boyak received payments from drug or device companies?

CMS Open Payments shows $186 in general payments to Caitlin Boyak from 2 companies from 2025 to 2025. The largest total came from Biotronik Inc.

How long has Caitlin Sommer Boyak been practicing?

Caitlin Boyak graduated from medical school in 2021, 5 years ago.

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