BRIAN E. O'SHAUGHNESSY MD
NPI 1023021151
Psychiatry & Neurology - Neurology in Waterloo, IA

Q: What is Brian O'shaughnessy's NPI number?

The NPI number for Brian O'shaughnessy is 1023021151. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Q: What is Brian O'shaughnessy's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Active since August 13, 2006PECOS EnrolledAccepts Medicare Assignment

152 W DALE ST, WATERLOO, IA 50703(319) 235-5060(319) 235-5061 Get Directions Write a Review

NPPES record last updated: March 24, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Brian E. O'shaughnessy Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRIAN E. O'SHAUGHNESSY MD (NPI 1023021151) is an individual neurology provider in Waterloo, Iowa, licensed in Illinois (036-066709) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Mercyone Waterloo Medical Center, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1981).

NPPES Registry Identity

NPI1023021151

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameBRIAN E. O'SHAUGHNESSYCredential: MD

Location Address152 W DALE STWaterloo, IA 50703-1925

Mailing Address152 W Dale StWaterloo, IA 50703-1925 · (319) 235-5060 · Fax (319) 235-5061

Phone(319) 235-5060

Fax(319) 235-5061

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1981

Enumeration DateAugust 13, 2006

Last NPPES UpdateMarch 24, 2016

✔ NPI 1023021151 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in IL · 036-066709

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

152 W DALE ST, Waterloo, IA 50703

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Other Identifiers 6

Medicare UPINL53561IL

Medicare UPINC37502

Medicare ID-Type UnspecifiedL53566IL

Medicare ID-Type UnspecifiedP00919Individual Medicare #

Medicaid036066709IL

Medicare NSC0727500001IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Brian E. O'shaughnessy Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6901826684

PECOS Enrollment IDI20160513000250

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Brian O'shaughnessy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Iowa Physicians Clinic Medical Foundation

93 mi

General Practice

8101 BIRCHWOOD CT, SUITE N
Johnston, IA 50131

Reassigned Medicare billing, Iowa enrollment
1,506 clinicians in this Medicare group

NPI 1891127502 (515) 471-9300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, onabotulinumtoxina, 1 unit J0585

Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.

10,410 services14 patients

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

348 services195 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

238 services178 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

130 services130 patients

Nerve conduction, 9-10 studies 95911

Nerve conduction studies involve sending small electrical shocks through the skin to measure how quickly nerves transmit signals. This helps detect nerve damage. 9-10 studies mean this process will be repeated on different nerves to gather comprehensive data.

84 services84 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

79 services78 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

63 services57 patients

Nerve conduction, 11-12 studies 95912

Nerve conduction studies are tests that measure how well your nerves are working. In 11-12 studies, small electrodes are placed on your skin to send and receive electrical signals. These signals show how quickly and effectively your nerves are transmitting signals, helping to identify any nerve damage or dysfunction.

53 services53 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

44 services44 patients

Measurement of brain wave activity (eeg), awake and asleep 95819

The measurement of brain wave activity, known as an EEG, records the brain's electrical signals. It's performed when you're awake and asleep to monitor your brain's functioning. It helps in diagnosing conditions like epilepsy, sleep disorders, and other neurological issues.

37 services36 patients

Nerve conduction, 5-6 studies 95909

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps identify any nerve damage or dysfunction. For 5-6 studies, this means multiple nerves will be tested. Small electrodes are placed on your skin to send and receive signals, causing minimal discomfort.

36 services36 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

30 services30 patients

Nerve conduction, 7-8 studies 95910

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps doctors identify nerve damage. In a 7-8 study procedure, 7-8 specific nerves are tested. You may feel a mild, brief tingling or shock during the test.

22 services22 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

17 services16 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

16 services16 patients

Nerve conduction, 13 or more studies 95913

Nerve conduction studies involve 13 or more tests to check the speed and strength of signals traveling between your nerves and muscles. It helps diagnose conditions affecting nerves and muscles. The test involves small shocks and may cause minor discomfort.

14 services14 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercyone Waterloo Medical Center

Acute Care Hospitals · Waterloo, IA

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number160067

Location3421 West Ninth StreetWaterloo, IA 50702 · Black Hawk County

Emergency services Birthing friendly

Allen Hospital

Acute Care Hospitals · Waterloo, IA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number160110

Location1825 Logan AvenueWaterloo, IA 50703 · Black Hawk County

Emergency services Birthing friendly

Grundy County Memorial Hospital

Critical Access Hospitals · Grundy Center, IA

OwnershipVoluntary non-profit - Other

CMS Certification Number161303

Location201 East J AvenueGrundy Center, IA 50638 · Grundy County

Emergency services

Buchanan County Health Center

Critical Access Hospitals · Independence, IA

OwnershipGovernment - Local

CMS Certification Number161335

Location1600 First St EastIndependence, IA 50644 · Buchanan County

Emergency services

Waverly Health Center

Critical Access Hospitals · Waverly, IA

OwnershipGovernment - Local

CMS Certification Number161339

Location312 9th Street SWWaverly, IA 50677 · Bremer County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50703 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.23 typical visit price

range $52.96 – $161.40

Typical copayment $30.55 (range $13.24 – $40.35)

Most-billed visit code 99204

Established Patient

$94.05 typical visit price

range $16.91 – $131.98

Typical copayment $23.51 (range $4.22 – $32.99)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALEC JAMES STEILS ARNP

Nurse Practitioner

152 W DALE ST
WATERLOO, IA 50703

Black Hawk County (319) 235-3518

MRS. KATE ELIZABETH BOLICK ARNP

Nurse Practitioner

152 W DALE ST
WATERLOO, IA 50703

Black Hawk County (319) 235-5060

RICHARD PAUL MENNING MD

Internal Medicine (Cardiovascular Disease)

152 W DALE ST
WATERLOO, IA 50703

Black Hawk County (319) 236-1911

MARCY J JOHNSON ARNP

Nurse Practitioner (Family)

152 W DALE ST
WATERLOO, IA 50703

Black Hawk County (319) 235-3540

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brian O'shaughnessy's NPI number?

The NPI number for Brian O'shaughnessy is 1023021151. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Where is Brian O'shaughnessy located?

Brian O'shaughnessy practices at 152 W Dale St, Waterloo, IA 50703. The listed phone number is (319) 235-5060.

What is Brian O'shaughnessy's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Brian O'shaughnessy enrolled in Medicare?

Yes. Brian O'shaughnessy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Brian O'shaughnessy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian O'shaughnessy reassigns Medicare benefits to Iowa Physicians Clinic Medical Foundation (Johnston, IA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brian O'shaughnessy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brian O'shaughnessy accept?

Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Brian O'shaughnessy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Brian O'shaughnessy affiliated with any hospitals?

According to CMS data, Brian O'shaughnessy is affiliated with Mercyone Waterloo Medical Center, Allen Hospital, Grundy County Memorial Hospital, Buchanan County Health Center and Waverly Health Center.

When was this NPI record last updated?

The NPPES record for Brian O'shaughnessy was last updated on March 24, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.