Dr. Nicklaus Karwas Slocum, MD

  • Traverse City, MI
  • Cardiologist
NPI1295873388PAC ID3375739097
Medicare services, 2024
1,183
Medicare patients, 2024
741
Part D claims, 2024
2,303
Publications
3
Hospital affiliations
5
Practice address
1105 Sixth Street, Traverse City, MI 49684
Practice phone
Call (231) 935-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Munson Medical Center

Hospital · Traverse City, Michigan

See all 14 affiliations

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Dr. Nicklaus Karwas Slocum is a cardiologist in Traverse City, Michigan

Dr. Slocum practices at Munson Medical Center in Traverse City, Michigan, part of Munson Healthcare.

Dr. Slocum's NPI, 1295873388, was assigned on February 2, 2007. Dr. Slocum graduated from Wayne State University School of Medicine in 2004. Dr. Slocum holds Michigan license 4301084019.

NPI and contact details
Medicare PAC ID
3375739097
NPI enumeration date
February 2, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(231) 935-5000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
48
Medical school graduation
2004

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

Dr. Nicklaus Karwas Slocum practices at Munson Medical Center in Traverse City, Michigan

Dr. Slocum's primary practice is Munson Medical Center, at 1105 Sixth Street, Traverse City, MI 49684 in Grand Traverse County. The practice phone is (231) 935-5000.

  • Munson Medical Center
    1105 Sixth Street, Traverse City, MI 49684 · Grand Traverse CountyPhone(231) 935-5000

Source: Dmand AI Affiliation Data

Dr. Nicklaus Karwas Slocum is affiliated with 10 sites of care and 4 medical groups

Dr. Slocum's primary practice is Munson Medical Center in Traverse City, Michigan, part of Munson Healthcare. Dr. Slocum is also affiliated with Munson Healthcare Cadillac Hospital. The medical group on file is Munson Healthcare Endocrinology & Metabolism. Dmand AI also links Dr. Slocum to 3 more hospitals, 4 group practices and clinics, 3 medical groups and 1 home health agency, each named with a free account.

See all 14 affiliations for Dr. Slocum

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

Dmand AI tracks the EHR system at Dr. Nicklaus Karwas Slocum's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Slocum practices, 10 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Munson Medical CenterAvailable with a free account
+9 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Slocum practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Munson Healthcare and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Nicklaus Karwas Slocum is one of 768 cardiologists in Michigan

Cardiovascular disease is Dr. Slocum's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Slocum is licensed in Michigan.

Specialties and state licenses

  • Cardiovascular disease, MichiganPrimaryLicense 4301084019 · taxonomy 207RC0000X

Cardiologists near Dr. Slocum

Counts of cardiologists 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. Nicklaus Karwas Slocum billed Medicare for 1,183 services in 2024

CMS data shows 1,183 Medicare services from Dr. Slocum across 19 procedure codes in 2024, for 741 Medicare patients. Medicare paid $96,194 for them.

Medicare services, 20241,183
Medicare patients741
Paid by Medicare$96,194
Procedure codes19

Dr. Slocum's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 6712024: 56715%
Tests and treatments
2023: 4322024: 52822%
Surgery
2023: 692024: 8828%

Where Dr. Slocum's Medicare services took place, 2024

  • In an office27323%
  • In a facility91077%

Dr. Slocum compared with the Michigan median for cardiologists, 2024

  • Dr. Slocum
  • Michigan median
Medicare services
1,183vs 1,43518% below
Medicare patients
741vs 64415% above
Part D claims
2,137vs 1,56237% above

Medians across 749 cardiologists in Michigan with Dmand AI profiles that report each measure.

Dr. Slocum's 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.

See all procedures by Dr. Slocum

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Nicklaus Karwas Slocum treated 741 Medicare patients in 2024, average age 77

CMS counts 741 Medicare patients who saw Dr. Slocum in 2024. The largest group is 75 to 84, with 320 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.57, 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. Slocum's median patient age at 77, with 43% women.

Medicare patients, 2024741
Average age77
Average risk score1.57
Also on Medicaid12%

Dr. Slocum's Medicare patients by age, 2024

Dr. Slocum's Medicare patients by sex, 2024

  • Women33745%
  • Men40455%

Chronic conditions among Dr. Slocum's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease60%
  4. Arthritis51%
  5. Atrial fibrillation39%
  6. Heart failure39%
  7. Chronic kidney disease37%
  8. Diabetes35%

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

Dr. Slocum's patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women43%
  • Men57%

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

Dr. Nicklaus Karwas Slocum wrote 2,303 Medicare Part D claims in 2024

In 2024, Dr. Slocum wrote 2,303 Medicare Part D claims for 559 patients. 86% of them were for generic drugs. CMS names the drug for 2,137 of them, across 34 drugs with 11 or more claims each, at $358,064 in total drug cost. In 2023, CMS named 1,882 claims across 31 drugs.

Part D claims, 20242,303
Drugs named by CMS34
Total drug cost$358,064
Part D patients559

Dr. Slocum's Part D claims by kind of drug, 2024

  • Generic1,972 claims86%
  • Brand-name331 claims14%

Dr. Slocum's 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. Slocum's Part D claims, 2024

  • Antibiotics1%26 of 2,303 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: 1,8822024: 2,13714%

Drugs named by CMS: 34 in 2024, 31 in 2023.

See all prescribing by Dr. Slocum

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

Dr. Nicklaus Karwas Slocum ranks in the 33rd percentile for coronary angioplasty and stenting in Medicare

Dr. Slocum accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Slocum as offering telehealth. CMS counts 12 procedures of coronary angioplasty and stenting by Dr. Slocum, more than 33% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Slocum ranks in Medicare procedure volume

Coronary angioplasty and stenting
33rd percentile12 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Nicklaus Karwas Slocum has 3 publications on record

Dmand AI links 3 papers to Dr. Slocum in 2016. The most frequent topics are Blue Cross Blue Shield Insurance Plans, Clinical Decision-Making and Contrast Media. Dr. Slocum's most frequent co-authors are Devraj Sukul, MD, Herbert David Aronow, MD and Mauro Moscucci, MD, MBA, MPH.

Papers3

Topics Dr. Slocum writes about most

  • Blue Cross Blue Shield Insurance Plans
  • Clinical Decision-Making
  • Contrast Media
  • Hospital Mortality
  • Michigan
  • Percutaneous Coronary Intervention
  • Stroke

Dr. Slocum's most frequent co-authors

Recent publications by Dr. Slocum

See all 3 publications and co-authors

See who Dr. Slocum researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Slocum works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Nicklaus Karwas Slocum received $6,296 in industry payments from 2016 to 2025

CMS Open Payments shows 69 general payments to Dr. Slocum from 10 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 53% of the total. Abbott Laboratories paid the most, $3,155.

General payments to Dr. Slocum by program year, 2016 to 2025

General payments to Dr. Slocum by kind, 2016 to 2025

$6.3Kin total
  • Travel and lodging$3,30753%
  • Food and beverage$2,91446%
  • Grants$751%

Companies that paid Dr. Slocum the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Slocum

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

Dr. Nicklaus Karwas Slocum graduated from Wayne State University School of Medicine

Dr. Slocum graduated from Wayne State University School of Medicine in 2004.

  1. Medical schoolWayne State University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Nicklaus Karwas Slocum'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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 and Drug (CMS) (opens in a new tab)Medicare 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. Nicklaus Karwas Slocum

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. Nicklaus Karwas Slocum's NPI number?

Dr. Nicklaus Karwas Slocum's NPI number is 1295873388. It was assigned on February 2, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Nicklaus Karwas Slocum?

Dr. Nicklaus Karwas Slocum is a cardiologist in Traverse City, Michigan. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Nicklaus Karwas Slocum practice?

Dr. Slocum practices at 1105 Sixth Street, Traverse City, MI 49684. Dr. Slocum's primary practice is Munson Medical Center in Traverse City, Michigan, part of Munson Healthcare. Dmand AI also links Dr. Slocum to 3 hospitals, 4 group practices and clinics, 3 medical groups and 1 home health agency.

What is Dr. Nicklaus Karwas Slocum's office phone number?

The practice phone on file for Dr. Slocum is (231) 935-5000.

What is Dr. Nicklaus Karwas Slocum's medical license number?

Dr. Slocum holds Michigan license 4301084019.

Which hospitals is Dr. Nicklaus Karwas Slocum affiliated with?

Dr. Slocum practices at Munson Medical Center in Traverse City, Michigan. Dr. Slocum is also affiliated with Munson Healthcare Cadillac Hospital. Dmand AI links Dr. Slocum to 3 more hospitals.

What medical group is Dr. Nicklaus Karwas Slocum part of?

Dr. Slocum is linked to Munson Healthcare Endocrinology & Metabolism. Dmand AI links Dr. Slocum to 3 more medical groups.

Does Dr. Nicklaus Karwas Slocum accept Medicare?

Yes. CMS data shows Dr. Slocum billed Medicare for 1,183 services in 2024, and Dr. Slocum accepts Medicare assignment.

Does Dr. Nicklaus Karwas Slocum offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Slocum as offering telehealth services.

How many Medicare patients does Dr. Nicklaus Karwas Slocum see?

CMS counts 741 Medicare patients who saw Dr. Slocum in 2024, with an average age of 77.

Show 7 more questionsShow fewer questions

What services does Dr. Nicklaus Karwas Slocum bill to Medicare?

In 2024, Dr. Slocum's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93010) and heart test or procedure (93000).

Where did Dr. Nicklaus Karwas Slocum go to medical school?

Dr. Slocum graduated from Wayne State University School of Medicine in 2004.

What drugs does Dr. Nicklaus Karwas Slocum prescribe most?

In 2024 Medicare Part D data, Dr. Slocum's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Eliquis.

Has Dr. Nicklaus Karwas Slocum received payments from drug or device companies?

CMS Open Payments shows $6,296 in general payments to Dr. Slocum from 10 companies from 2016 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Nicklaus Karwas Slocum been practicing?

Dr. Slocum graduated from medical school in 2004, 22 years ago.

Does Dr. Nicklaus Karwas Slocum do research?

Dmand AI links 3 publications to Dr. Slocum.

Who does Dr. Nicklaus Karwas Slocum publish with?

Dr. Slocum's most frequent co-authors are Devraj Sukul, MD (2 shared papers), Herbert David Aronow, MD (1 shared paper) and Mauro Moscucci, MD, MBA, MPH (1 shared paper).

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