DR. NICOLE ALYSSA EMMA DIETZ MD, PHD
NPI 1265595623
Psychiatry & Neurology - Neurology in Fairfax, VA

Active since December 18, 2006PECOS EnrolledAccepts Medicare Assignment
97.24/100
CMS Quality Rating
3020 HAMAKER CT, SUITE 400, FAIRFAX, VA 22031(703) 876-0800(703) 876-0866 Get Directions Write a Review

NPPES record last updated: June 8, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jun 8, 2022, Dec 29, 2020 (2 updates tracked since 2020).

About Dr. Nicole Alyssa Emma Dietz Md, Phd NPPES

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

DR. NICOLE ALYSSA EMMA DIETZ MD, PHD (NPI 1265595623) is an individual neurology provider in Fairfax, Virginia, licensed in Virginia (0101250750) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and is a graduate of Georgetown University School Of Medicine (2006).

NPPES Registry Identity

NPI1265595623
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameDR. NICOLE ALYSSA EMMA DIETZCredential: MD, PHD
Location Address3020 HAMAKER CT, SUITE 400Fairfax, VA 22031-2238
Mailing Address3020 Hamaker Ct, Suite 400Fairfax, VA 22031-2238 · (703) 876-0800 · Fax (703) 876-0866
Fax(703) 876-0866
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 2006
Enumeration DateDecember 18, 2006
Last NPPES UpdateJune 8, 20222 updates tracked since enumeration
NPPES CertifiedJune 8, 2022
NPI 1265595623 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in VA · 0101250750
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.

Also ListedPsychiatry & Neurology · Brain Injury MedicineTaxonomy 2084P0301X · License 0101250750 (VA)
3020 HAMAKER CT, Fairfax, VA 22031

Other Identifiers 1

Medicaid1265595623VA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Nicole Alyssa Emma Dietz Md, Phd 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 ID3678716495
PECOS Enrollment IDI20130827000354
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.

Areas of Expertise CMS Part B claims 13

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.
18,420 services34 patients
Injection, incobotulinumtoxin a, 1 unit J0588
Incobotulinumtoxin A, 1 unit, is an injection commonly known as Botox. It's used to treat various conditions like muscle spasms or wrinkles. The substance temporarily paralyzes muscles, providing relief or aesthetic improvement.
11,550 services28 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
531 services209 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.
408 services249 patients
Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle 95874
This procedure involves a needle that measures the electrical activity in your muscles. A chemical is then injected to temporarily paralyze the nerve muscle. This helps in diagnosing and treating certain muscle or nerve conditions.
121 services45 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.
90 services66 patients

Hospital Affiliations CMS Care Compare 4

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

Inova Alexandria Hospital

Acute Care Hospitals · Alexandria, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490040
Location4320 Seminary RdAlexandria, VA 22304 · Alexandria City County
Emergency services Birthing friendly

Virginia Hospital Center

Acute Care Hospitals · Arlington, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490050
Location1701 North George Mason DriveArlington, VA 22205 · Arlington County
Emergency services Birthing friendly

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490101
Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22031 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.24/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality94.49
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
1 supplier13 claims52 services$18.36 avg. paid by Medicare
Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222
DME-Medical/Surgical Supplies · category DA000N
2 suppliers26 claims728 services$18.22 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
3 suppliers14 claims14 services$43.17 avg. paid by Medicare
Carbidopa 5 mg/levodopa 20 mg enteral suspension, 100 ml J7340
DME-Drugs Administered Through DME · category DG000N
2 suppliers27 claims756 services$167.86 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

Internal Medicine (Gastroenterology)
3020 HAMAKER CT, SUITE 102
FAIRFAX, VA 22031
Internal Medicine (Gastroenterology)
3020 HAMAKER CT, SUITE 102
FAIRFAX, VA 22031
Urology
3020 HAMAKER CT, SUITE B-111
FAIRFAX, VA 22031
Internal Medicine (Clinical Cardiac Electrophysiology)
3020 HAMAKER CT, SUITE 401
FAIRFAX, VA 22031
Psychiatry & Neurology (Neurology)
3020 HAMAKER CT, SUITE 400
FAIRFAX, VA 22031
Internal Medicine
3020 HAMAKER CT, SUITE B106
FAIRFAX, VA 22031
Pediatrics (Pediatric Hematology-Oncology)
3020 HAMAKER CT, SUITE #202
FAIRFAX, VA 22031
Nurse Practitioner (Neonatal)
3020 HAMAKER CT, SUITE 300
FAIRFAX, VA 22031

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 Nicole Dietz's NPI number?

The NPI number for Nicole Dietz is 1265595623. It was assigned to this individual provider in the NPPES registry on December 18, 2006.

Where is Nicole Dietz located?

Nicole Dietz practices at 3020 Hamaker Ct Suite 400, Fairfax, VA 22031. The listed phone number is (703) 876-0800.

What is Nicole Dietz's specialty?

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

Is Nicole Dietz enrolled in Medicare?

Yes. Nicole Dietz 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.

Is Nicole Dietz affiliated with any hospitals?

According to CMS data, Nicole Dietz is affiliated with Inova Alexandria Hospital, Virginia Hospital Center, Inova Fairfax Hospital and Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Nicole Dietz was last updated on June 8, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.