Dr. Joan E. Nagelkirk, MD

  • Muskegon, MI
  • Hospitalist
NPI1912951211PAC ID8123156247
Medicare services, 2024
213
Medicare patients, 2024
100
Part D claims, 2024
29
MIPS score, 2024
100
Hospital affiliations
2
Practice address
1700 Clinton Street, Muskegon, MI 49443
Practice phone
Call (231) 728-4007
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hackley Hospital - Unit

Acute Care Hospital-Unit · Muskegon, Michigan

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Dr. Joan E. Nagelkirk is a hospitalist in Muskegon, Michigan

Dr. Nagelkirk practices at Hackley Hospital - Unit in Muskegon, Michigan.

Dr. Nagelkirk's NPI, 1912951211, was assigned on May 20, 2006. Dr. Nagelkirk graduated from University of Tennessee, Hsc, College of Medicine in 1982. Dr. Nagelkirk holds Michigan license 4301064351.

NPI and contact details
Medicare PAC ID
8123156247
NPI enumeration date
May 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(231) 728-4007
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
70
Medical school graduation
1982

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

Dr. Joan E. Nagelkirk practices at Hackley Hospital - Unit in Muskegon, Michigan

Dr. Nagelkirk's primary practice is Hackley Hospital - Unit, at 1700 Clinton Street, Muskegon, MI 49443 in Muskegon County. The practice phone is (231) 728-4007.

  • Hackley Hospital - Unit
    1700 Clinton Street, Muskegon, MI 49443 · Muskegon CountyPhone(231) 728-4007

Source: Dmand AI Affiliation Data

Dr. Joan E. Nagelkirk is affiliated with 2 sites of care and 1 medical group

Dr. Nagelkirk's primary practice is Hackley Hospital - Unit in Muskegon, Michigan. Dr. Nagelkirk is also affiliated with Trinity Health Muskegon Hospital. The medical group on file is Trinity Health Medical Group.

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Joan E. Nagelkirk's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nagelkirk practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hackley Hospital - UnitAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Joan E. Nagelkirk is one of 256 hospitalists in Michigan

Hospitalist is Dr. Nagelkirk's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Nagelkirk is licensed in Michigan.

Specialties and state licenses

  • Hospitalist, MichiganPrimaryLicense 4301064351 · taxonomy 208M00000X

Hospitalists near Dr. Nagelkirk

Counts of hospitalists 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. Joan E. Nagelkirk billed Medicare for 213 services in 2024

CMS data shows 213 Medicare services from Dr. Nagelkirk across 5 procedure codes in 2024, for 100 Medicare patients. Medicare paid $21,383 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024213
Medicare patients100
Paid by Medicare$21,383
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 1912024: 21312%

Dr. Nagelkirk compared with the Michigan median for hospitalists, 2024

  • Dr. Nagelkirk
  • Michigan median
Medicare services
213vs 37042% below
Medicare patients
100vs 17041% below
Part D claims
12vs 7083% below

Medians across 243 hospitalists in Michigan with Dmand AI profiles that report each measure.

Dr. Nagelkirk'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. Nagelkirk

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

Dr. Joan E. Nagelkirk treated 100 Medicare patients in 2024, average age 71

CMS counts 100 Medicare patients who saw Dr. Nagelkirk in 2024. The largest group is under 65, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.81, 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. Nagelkirk's median patient age at 74, with 56% women.

Medicare patients, 2024100
Average age71
Average risk score2.81
Also on Medicaid45%

Dr. Nagelkirk's Medicare patients by age, 2024

Dr. Nagelkirk's Medicare patients by sex, 2024

  • Women4747%
  • Men5353%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Mood disorders60%
  4. Diabetes57%
  5. Heart failure57%
  6. Chronic kidney disease54%
  7. Arthritis53%
  8. Depression53%

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

Dr. Nagelkirk's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women56%
  • Men44%

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

Dr. Joan E. Nagelkirk wrote 29 Medicare Part D claims in 2024

In 2024, Dr. Nagelkirk wrote 29 Medicare Part D claims. 90% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $2,757 in total drug cost. In 2019, CMS named 93 claims across 6 drugs.

Part D claims, 202429
Drugs named by CMS1
Total drug cost$2,757

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

  • Generic26 claims90%
  • Brand-name and other3 claims10%

Dr. Nagelkirk's most prescribed drugs by claims, 2020

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, 2019 to 2020

  • 2019
  • 2020
Claims for drugs CMS names
2019: 932020: 1287%

Drugs named by CMS: 1 in 2020, 6 in 2019.

See all prescribing by Dr. Nagelkirk

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. Joan E. Nagelkirk scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Nagelkirk for performance year 2024, reported as part of a group. Dr. Nagelkirk accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Nagelkirk's MIPS scores, performance year 2024

  • 100of 100Final score
  • 97.1of 100Quality
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Joan E. Nagelkirk received $2,077 in industry payments from 2016 to 2025

CMS Open Payments shows 103 general payments to Dr. Nagelkirk from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $512.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Nagelkirk

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

Dr. Joan E. Nagelkirk graduated from University of Tennessee, Hsc, College of Medicine

Dr. Nagelkirk graduated from University of Tennessee, Hsc, College of Medicine in 1982.

  1. Medical schoolUniversity of Tennessee, Hsc, College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Joan E. Nagelkirk'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
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. Joan E. Nagelkirk

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. Joan E. Nagelkirk's NPI number?

Dr. Joan E. Nagelkirk's NPI number is 1912951211. It was assigned on May 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Joan E. Nagelkirk?

Dr. Joan E. Nagelkirk is a hospitalist in Muskegon, Michigan. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Joan E. Nagelkirk practice?

Dr. Nagelkirk practices at 1700 Clinton Street, Muskegon, MI 49443. Dr. Nagelkirk's primary practice is Hackley Hospital - Unit in Muskegon, Michigan.

What is Dr. Joan E. Nagelkirk's office phone number?

The practice phone on file for Dr. Nagelkirk is (231) 728-4007.

What is Dr. Joan E. Nagelkirk's medical license number?

Dr. Nagelkirk holds Michigan license 4301064351.

Which hospitals is Dr. Joan E. Nagelkirk affiliated with?

Dr. Nagelkirk is affiliated with Trinity Health Muskegon Hospital. Dmand AI links Dr. Nagelkirk to 1 more hospital.

What medical group is Dr. Joan E. Nagelkirk part of?

Dr. Nagelkirk is linked to Trinity Health Medical Group.

Does Dr. Joan E. Nagelkirk accept Medicare?

Yes. CMS data shows Dr. Nagelkirk billed Medicare for 213 services in 2024, and Dr. Nagelkirk accepts Medicare assignment.

What is Dr. Joan E. Nagelkirk's MIPS score?

Dr. Nagelkirk's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

How many Medicare patients does Dr. Joan E. Nagelkirk see?

CMS counts 100 Medicare patients who saw Dr. Nagelkirk in 2024, with an average age of 71.

Show 5 more questionsShow fewer questions

What services does Dr. Joan E. Nagelkirk bill to Medicare?

In 2024, Dr. Nagelkirk's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).

Where did Dr. Joan E. Nagelkirk go to medical school?

Dr. Nagelkirk graduated from University of Tennessee, Hsc, College of Medicine in 1982.

What drugs does Dr. Joan E. Nagelkirk prescribe most?

In 2020 Medicare Part D data, Dr. Nagelkirk's most prescribed drugs by claims were Eliquis.

Has Dr. Joan E. Nagelkirk received payments from drug or device companies?

CMS Open Payments shows $2,077 in general payments to Dr. Nagelkirk from 22 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Joan E. Nagelkirk been practicing?

Dr. Nagelkirk graduated from medical school in 1982, 44 years ago.

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