Dr. Joel Charles Geerling, MD, PhD

  • Iowa City, IA
  • Neurologist
NPI1578706628PAC ID3971739723
Medicare services, 2024
274
Medicare patients, 2024
124
Part D claims, 2024
377
Publications
49
MIPS score, 2024
80
Practice address
200 Hawkins Drive, Iowa City, IA 52242
Practice phone
Call (319) 356-1616
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

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Dr. Joel Charles Geerling is a neurologist in Iowa City, Iowa

Dr. Geerling practices at University of Iowa Health Care Medical Center in Iowa City, Iowa, part of The University of Iowa.

Dr. Geerling's NPI, 1578706628, was assigned on April 18, 2009. Dr. Geerling holds Massachusetts license 257202.

NPI and contact details
Medicare PAC ID
3971739723
NPI enumeration date
April 18, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(319) 356-1616
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. Joel Charles Geerling practices at University of Iowa Health Care Medical Center in Iowa City, Iowa

Dr. Geerling's primary practice is University of Iowa Health Care Medical Center, at 200 Hawkins Drive, Iowa City, IA 52242 in Johnson County. The practice phone is (319) 356-1616.

Source: Dmand AI Affiliation Data

Dr. Joel Charles Geerling is affiliated with 1 site of care and 1 medical group

Dr. Geerling's primary practice is University of Iowa Health Care Medical Center in Iowa City, Iowa, part of The University of Iowa. The medical group on file is Scanlan Center for School Mental Health Clinic.

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

Dmand AI tracks the EHR system at Dr. Joel Charles Geerling's practice

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

EHR by site
SiteEHR vendor and product
University of Iowa Health Care Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Joel Charles Geerling is one of 136 neurologists in Iowa

Neurology is Dr. Geerling's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Geerling is licensed in Massachusetts.

Specialties and state licenses

  • Neurology, MassachusettsPrimaryLicense 257202 · taxonomy 2084N0400X

Neurologists near Dr. Geerling

Counts of neurologists 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. Joel Charles Geerling billed Medicare for 274 services in 2024

CMS data shows 274 Medicare services from Dr. Geerling across 6 procedure codes in 2024, for 124 Medicare patients. Medicare paid $14,696 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024274
Medicare patients124
Paid by Medicare$14,696
Procedure codes6

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

  • 2023
  • 2024
Other services
2023: 772024: 14690%
Office and hospital visits
2023: 1452024: 12812%

Dr. Geerling compared with the Iowa median for neurologists, 2024

  • Dr. Geerling
  • Iowa median
Medicare services
274vs 2988% below
Medicare patients
124vs 19837% below
Part D claims
351vs 24146% above

Medians across 133 neurologists in Iowa with Dmand AI profiles that report each measure.

Dr. Geerling'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. Geerling

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

Dr. Joel Charles Geerling treated 124 Medicare patients in 2024, average age 74

CMS counts 124 Medicare patients who saw Dr. Geerling in 2024. The largest group is 75 to 84, with 53 patients. 74% of them have high blood pressure, and 73% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.49, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Geerling's median patient age at 75, with 59% women.

Medicare patients, 2024124
Average age74
Average risk score1.49
Also on Medicaid9%

Dr. Geerling's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Geerling's Medicare patients by sex, 2024

  • Women5948%
  • Men6552%

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

  1. High blood pressure74%
  2. High cholesterol73%
  3. Alzheimer's and dementia50%
  4. Mood disorders42%
  5. Depression40%
  6. Arthritis36%
  7. Anxiety35%
  8. Diabetes31%

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

Dr. Geerling's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women59%
  • Men40%

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

Dr. Joel Charles Geerling wrote 377 Medicare Part D claims in 2024

In 2024, Dr. Geerling wrote 377 Medicare Part D claims for 62 patients. 99% of them were for generic drugs. CMS names the drug for 351 of them, across 8 drugs with 11 or more claims each, at $4,397 in total drug cost. In 2023, CMS named 187 claims across 5 drugs.

Part D claims, 2024377
Drugs named by CMS8
Total drug cost$4,397
Part D patients62

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

  • Generic374 claims99%
  • Brand-name and other3 claims1%

Dr. Geerling'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1872024: 35188%

Drugs named by CMS: 8 in 2024, 5 in 2023.

See all prescribing by Dr. Geerling

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. Joel Charles Geerling scored 80 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Geerling for performance year 2024, reported as part of a group. Dr. Geerling accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Geerling's MIPS scores, performance year 2024

  • 80of 100Final score
  • 75.7of 100Quality
  • 78of 100Promoting Interoperability
  • 40of 100Improvement Activities

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. Joel Charles Geerling has 49 publications on record

Dmand AI links 49 papers to Dr. Geerling, published from 2010 to 2025. 2022 was the busiest year, with 6. The most frequent topics are Neurons, Mice, Inbred C57BL and Mice, Transgenic. Dr. Geerling has published most often in J Comp Neurol. Dr. Geerling's most frequent co-authors are Aaron Daniel Boes, MD, PhD, Georgina Michelle Aldridge, MD, PhD and David Alan Mccarron.

Papers49
Years published2010 to 2025

Dr. Geerling's papers by year, 2016 to 2025

Topics Dr. Geerling writes about most

  • Neurons
  • Mice, Inbred C57BL
  • Mice, Transgenic
  • Brain
  • Brain Stem
  • Neural Pathways
  • Sodium
  • Parabrachial Nucleus

Dr. Geerling's most frequent co-authors

Recent publications by Dr. Geerling

See all 49 publications and co-authors

See who Dr. Geerling researches with

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

How network discovery works

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

Sources for Dr. Joel Charles Geerling'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Joel Charles Geerling

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. Joel Charles Geerling's NPI number?

Dr. Joel Charles Geerling's NPI number is 1578706628. It was assigned on April 18, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Joel Charles Geerling?

Dr. Joel Charles Geerling is a neurologist in Iowa City, Iowa. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Joel Charles Geerling practice?

Dr. Geerling practices at 200 Hawkins Drive, Iowa City, IA 52242. Dr. Geerling's primary practice is University of Iowa Health Care Medical Center in Iowa City, Iowa, part of The University of Iowa.

What is Dr. Joel Charles Geerling's office phone number?

The practice phone on file for Dr. Geerling is (319) 356-1616.

What is Dr. Joel Charles Geerling's medical license number?

Dr. Geerling holds Massachusetts license 257202.

Which hospitals is Dr. Joel Charles Geerling affiliated with?

Dr. Geerling practices at University of Iowa Health Care Medical Center in Iowa City, Iowa.

What medical group is Dr. Joel Charles Geerling part of?

Dr. Geerling is linked to Scanlan Center for School Mental Health Clinic.

Does Dr. Joel Charles Geerling accept Medicare?

Yes. CMS data shows Dr. Geerling billed Medicare for 274 services in 2024, and Dr. Geerling accepts Medicare assignment.

What is Dr. Joel Charles Geerling's MIPS score?

Dr. Geerling's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.

How many Medicare patients does Dr. Joel Charles Geerling see?

CMS counts 124 Medicare patients who saw Dr. Geerling in 2024, with an average age of 74.

Show 5 more questionsShow fewer questions

What services does Dr. Joel Charles Geerling bill to Medicare?

In 2024, Dr. Geerling's most billed Medicare services were medicare service (G2212), office visit, established patient (99215) and medicare service (G2211).

What drugs does Dr. Joel Charles Geerling prescribe most?

In 2024 Medicare Part D data, Dr. Geerling's most prescribed drugs by claims were Donepezil HCl, Lamotrigine and Levetiracetam.

How long has Dr. Joel Charles Geerling been practicing?

Dr. Geerling graduated from medical school in 2008, 18 years ago.

Does Dr. Joel Charles Geerling do research?

Dmand AI links 49 publications to Dr. Geerling, published from 2010 to 2025.

Who does Dr. Joel Charles Geerling publish with?

Dr. Geerling's most frequent co-authors are Aaron Daniel Boes, MD, PhD (8 shared papers), Georgina Michelle Aldridge, MD, PhD (5 shared papers) and David Alan Mccarron (3 shared papers).

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