Dr. Aaron S. Geller, MD

  • Aurora, CO
  • Clinical neurophysiologist
NPI1447516828PAC ID4981969193
Medicare services, 2024
128
Medicare patients, 2024
109
Part D claims, 2024
701
Hospital affiliations
1
Industry payments
$1,310
Practice address
12605 E 16th Ave, Aurora, CO 80045
Practice phone
Call (720) 848-0000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

UCHealth University of Colorado Hospital

Hospital · Aurora, Colorado

See all 3 affiliations

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Dr. Aaron S. Geller is a clinical neurophysiologist in Aurora, Colorado

Dr. Geller practices at UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth.

Dr. Geller's NPI, 1447516828, was assigned on April 10, 2012. Dr. Geller holds Colorado license DR.0067022.

NPI and contact details
Medicare PAC ID
4981969193
NPI enumeration date
April 10, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(720) 848-0000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
41
Medical school graduation
2011

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

Dr. Aaron S. Geller practices at UCHealth University of Colorado Hospital in Aurora, Colorado

Dr. Geller's primary practice is UCHealth University of Colorado Hospital, at 12605 E 16th Ave, Aurora, CO 80045 in Adams County. The practice phone is (720) 848-0000.

Source: Dmand AI Affiliation Data

Dr. Aaron S. Geller is affiliated with 2 sites of care and 1 medical group

Dr. Geller's primary practice is UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth. The medical group on file is University of Colorado Medicine (CU Medicine). Dmand AI also links Dr. Geller to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Geller

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

Dmand AI tracks the EHR system at Dr. Aaron S. Geller's practice

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

EHR by site
SiteEHR vendor and product
UCHealth University of Colorado HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Aaron S. Geller is one of 6 clinical neurophysiologists in Colorado

Clinical neurophysiology is Dr. Geller's primary specialty in the NPI Registry, under taxonomy code 2084N0600X. Dmand AI has Dr. Geller's licenses on file in 2 states: Colorado and New Jersey.

Specialties and state licenses

  • Clinical neurophysiology, ColoradoPrimaryLicense DR.0067022 · taxonomy 2084N0600X
  • Neurology, New JerseyLicense 25MA10312000 · taxonomy 2084N0400X

Clinical neurophysiologists near Dr. Geller

Counts of clinical neurophysiologists with a Dmand AI profile, by place and practice. Each opens the list.

6clinical neurophysiologists in Colorado
2clinical neurophysiologists in Aurora

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Aaron S. Geller billed Medicare for 128 services in 2024

CMS data shows 128 Medicare services from Dr. Geller across 5 procedure codes in 2024, for 109 Medicare patients. Medicare paid $14,551 for them.

Medicare services, 2024128
Medicare patients109
Paid by Medicare$14,551
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 302024: 67123%
Tests and treatments
2023: 722024: 6115%

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

  • In an office1310%
  • In a facility11590%

Dr. Geller'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. Geller

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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data

Dr. Aaron S. Geller treated 109 Medicare patients in 2024, average age 60

CMS counts 109 Medicare patients who saw Dr. Geller in 2024. The largest group is under 65, with 50 patients. 55% of them have high cholesterol, and 52% have high blood pressure. 47% are also on Medicaid. Their average risk score is 1.71, 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. Geller's median patient age at 58, with 50% women.

Medicare patients, 2024109
Average age60
Average risk score1.71
Also on Medicaid47%

Dr. Geller's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Geller's Medicare patients by sex, 2024

  • Women5651%
  • Men5349%

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

  1. High cholesterol55%
  2. High blood pressure52%
  3. Anxiety51%
  4. Mood disorders50%
  5. Depression42%
  6. Arthritis31%
  7. Stroke or TIA24%
  8. Ischemic heart disease21%

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

Dr. Geller's patients across all payers

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

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women50%
  • Men50%

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

Dr. Aaron S. Geller wrote 701 Medicare Part D claims in 2024

In 2024, Dr. Geller wrote 701 Medicare Part D claims for 115 patients. 83% of them were for generic drugs. CMS names the drug for 585 of them, across 16 drugs with 11 or more claims each, at $176,734 in total drug cost. In 2023, CMS named 404 claims across 14 drugs.

Part D claims, 2024701
Drugs named by CMS16
Total drug cost$176,734
Part D patients115

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

  • Generic580 claims83%
  • Brand-name92 claims13%
  • Other29 claims4%

Dr. Geller'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: 4042024: 58545%

Drugs named by CMS: 16 in 2024, 14 in 2023.

See all prescribing by Dr. Geller

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. Aaron S. Geller offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Aaron S. Geller received $1,310 in industry payments from 2019 to 2025

CMS Open Payments shows 52 general payments to Dr. Geller from 11 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. SK Life Science, Inc. paid the most, $729.

General payments to Dr. Geller by program year, 2019 to 2025

Companies that paid Dr. Geller the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Geller

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

Sources for Dr. Aaron S. Geller'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)
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)
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 Dr. Aaron S. Geller

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. Aaron S. Geller's NPI number?

Dr. Aaron S. Geller's NPI number is 1447516828. It was assigned on April 10, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Aaron S. Geller?

Dr. Aaron S. Geller is a clinical neurophysiologist in Aurora, Colorado. The primary specialty in the NPI Registry is Clinical Neurophysiology Physician (taxonomy code 2084N0600X).

Where does Dr. Aaron S. Geller practice?

Dr. Geller practices at 12605 E 16th Ave, Aurora, CO 80045. Dr. Geller's primary practice is UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth. Dmand AI also links Dr. Geller to 1 group practice or clinic.

What is Dr. Aaron S. Geller's office phone number?

The practice phone on file for Dr. Geller is (720) 848-0000.

What is Dr. Aaron S. Geller's medical license number?

Dr. Geller holds Colorado license DR.0067022, one of the licenses on file in 2 states.

Which states has Dr. Aaron S. Geller been licensed in?

Dmand AI has state licenses on file for Dr. Geller in Colorado and New Jersey.

Which hospitals is Dr. Aaron S. Geller affiliated with?

Dr. Geller practices at UCHealth University of Colorado Hospital in Aurora, Colorado.

What medical group is Dr. Aaron S. Geller part of?

Dr. Geller is linked to University of Colorado Medicine (CU Medicine).

Does Dr. Aaron S. Geller accept Medicare?

Yes. CMS data shows Dr. Geller billed Medicare for 128 services in 2024, and Dr. Geller accepts Medicare assignment.

Does Dr. Aaron S. Geller offer telehealth?

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

Show 5 more questionsShow fewer questions

How many Medicare patients does Dr. Aaron S. Geller see?

CMS counts 109 Medicare patients who saw Dr. Geller in 2024, with an average age of 60.

What services does Dr. Aaron S. Geller bill to Medicare?

In 2024, Dr. Geller's most billed Medicare services were office visit, established patient (99215), nerve and brain test (95720) and nerve and brain test (95813).

What drugs does Dr. Aaron S. Geller prescribe most?

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

Has Dr. Aaron S. Geller received payments from drug or device companies?

CMS Open Payments shows $1,310 in general payments to Dr. Geller from 11 companies from 2019 to 2025. The largest total came from SK Life Science, Inc.

How long has Dr. Aaron S. Geller been practicing?

Dr. Geller graduated from medical school in 2011, 15 years ago.

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