Dr. Nicole Alyssa Emma Dietz, MD, PhD

  • Fairfax, VA
  • Neurologist
NPI1265595623PAC ID3678716495
Medicare services, 2024
31,470
Medicare patients, 2024
472
Part D claims, 2024
2,940
Publications
3
MIPS score, 2024
100
Practice address
3020 Hamaker Ct, Fairfax, VA 22031
Practice phone
Call (703) 876-0800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Neurology Center of Fairfax, Ltd

Fairfax, Virginia

See all 9 affiliations

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Dr. Nicole Alyssa Emma Dietz is a neurologist in Fairfax, Virginia

Dr. Dietz practices at Neurology Center of Fairfax, Ltd in Fairfax, Virginia.

Dr. Dietz's NPI, 1265595623, was assigned on December 18, 2006. Dr. Dietz graduated from Georgetown University School Of Medicine in 2006. Dr. Dietz holds Virginia license 0101250750.

NPI and contact details
Medicare PAC ID
3678716495
NPI enumeration date
December 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(703) 876-0800
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
46
Medical school graduation
2006

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

Dr. Nicole Alyssa Emma Dietz practices at Neurology Center of Fairfax, Ltd in Fairfax, Virginia

Dr. Dietz's primary practice is Neurology Center of Fairfax, Ltd, at 3020 Hamaker Ct, Fairfax, VA 22031 in Fairfax County. The practice phone is (703) 876-0800.

  • Neurology Center of Fairfax, Ltd
    3020 Hamaker Ct, Fairfax, VA 22031 · Fairfax CountyPhone(703) 876-0800

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Nicole Alyssa Emma Dietz is affiliated with 8 sites of care and 1 medical group

Dr. Dietz's primary practice is Neurology Center of Fairfax, Ltd in Fairfax, Virginia. Dr. Dietz is also affiliated with Inova Fair Oaks Hospital. The medical group on file is Neurology Center Of Fairfax, Ltd. Dmand AI also links Dr. Dietz to 4 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 9 affiliations for Dr. Dietz

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Nicole Alyssa Emma Dietz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dietz practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Neurology Center of Fairfax, LtdAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nicole Alyssa Emma Dietz is one of 516 neurologists in Virginia

Neurology is Dr. Dietz's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Dietz is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Dietz's licenses on file in 4 states: Virginia, Maryland, District of Columbia and Pennsylvania.

Specialties and state licenses

  • Neurology, VirginiaPrimaryLicense 0101250750 · 2011 to 2026 · taxonomy 2084N0400X
  • Maryland license2011 to 2016
  • District of Columbia license2011 to 2014
  • Pennsylvania license2006 to 2010

Clinical focus

Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, epilepsy, essential tremor, fibromyalgia and chronic pain, hereditary polyneuropathy, lower back pain and migraine and chronic headache among the conditions Dr. Dietz treats.

Neurologists near Dr. Dietz

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. Nicole Alyssa Emma Dietz billed Medicare for 31,470 services in 2024

CMS data shows 31,470 Medicare services from Dr. Dietz across 14 procedure codes in 2024, for 472 Medicare patients. Medicare paid $304,629 for them. Every service was in an office.

Medicare services, 202431,470
Medicare patients472
Paid by Medicare$304,629
Procedure codes14

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

  • 2023
  • 2024
Drugs given in the office
2023: 26,2002024: 29,97014%
Office and hospital visits
2023: 9642024: 1,08012%
Surgery
2023: 1122024: 20886%
Tests and treatments
2023: 1432024: 12115%
Other services
2023: 142024: 91550%

Dr. Dietz compared with the Virginia median for neurologists, 2024

  • Dr. Dietz
  • Virginia median
Medicare services
31,470vs 42973.4 times
Medicare patients
472vs 24692% above
Part D claims
2,727vs 3907.0 times

Medians across 489 neurologists in Virginia with Dmand AI profiles that report each measure.

Dr. Dietz'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. Dietz

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

Dr. Nicole Alyssa Emma Dietz treated 472 Medicare patients in 2024, average age 77

CMS counts 472 Medicare patients who saw Dr. Dietz in 2024. The largest group is 75 to 84, with 222 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 4% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Dietz's median patient age at 74, with 54% women.

Medicare patients, 2024472
Average age77
Average risk score1.39
Also on Medicaid4%

Dr. Dietz's Medicare patients by age, 2024

Dr. Dietz's Medicare patients by sex, 2024

  • Women26757%
  • Men20543%

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

  1. High cholesterol75%
  2. High blood pressure67%
  3. Parkinson's disease53%
  4. Arthritis52%
  5. Anxiety31%
  6. Mood disorders30%
  7. Ischemic heart disease28%
  8. Depression27%

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

Dr. Dietz'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

  • Women54%
  • Men44%

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

Dr. Nicole Alyssa Emma Dietz wrote 2,940 Medicare Part D claims in 2024

In 2024, Dr. Dietz wrote 2,940 Medicare Part D claims for 354 patients. 84% of them were for generic drugs. CMS names the drug for 2,727 of them, across 41 drugs with 11 or more claims each, at $1,248,352 in total drug cost. In 2023, CMS named 2,154 claims across 38 drugs.

Part D claims, 20242,940
Drugs named by CMS41
Total drug cost$1.2M
Part D patients354

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

  • Generic2,482 claims84%
  • Brand-name458 claims16%

Dr. Dietz'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.

Drug classes CMS tracks in Dr. Dietz's Part D claims, 2024

  • Antipsychotics, patients 65 and over7%198 of 2,940 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,1542024: 2,72727%

Drugs named by CMS: 41 in 2024, 38 in 2023.

See all prescribing by Dr. Dietz

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. Nicole Alyssa Emma Dietz 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. Dietz for performance year 2024, reported as part of a group. Dr. Dietz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dietz as offering telehealth. CMS counts 90 procedures of skin biopsy by Dr. Dietz, more than 74% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Dietz's MIPS scores, performance year 2024

  • 100of 100Final score
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Dr. Dietz ranks in Medicare procedure volume

Skin biopsy
74th percentile90 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

For MedTech and pharma teams

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Dr. Nicole Alyssa Emma Dietz has 3 publications on record

Dmand AI links 3 papers to Dr. Dietz in 2011. The most frequent topics are Magnetic Resonance Imaging, Brain Mapping and Cerebral Cortex.

Papers3

Topics Dr. Dietz writes about most

  • Magnetic Resonance Imaging
  • Brain Mapping
  • Cerebral Cortex
  • Reading

Recent publications by Dr. Dietz

See all 3 publications and co-authors

See who Dr. Dietz researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dietz 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

Dr. Nicole Alyssa Emma Dietz received $5,260 in industry payments from 2016 to 2025

CMS Open Payments shows 175 general payments to Dr. Dietz from 44 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 73% of the total. Boston Scientific Corporation paid the most, $950.

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

General payments to Dr. Dietz by kind, 2016 to 2025

$5.3Kin total
  • Food and beverage$3,85373%
  • Travel and lodging$1,32325%
  • Speaker and faculty fees$842%

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

Share is of all general payments to this clinician.

See all payments to Dr. Dietz

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

Dr. Nicole Alyssa Emma Dietz has 1 award and honors on record

Dmand AI lists 1 award for Dr. Dietz, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Dietz

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Nicole Alyssa Emma Dietz graduated from Georgetown University School Of Medicine

Dr. Dietz graduated from Georgetown University School Of Medicine in 2006. Dr. Dietz is a member of MDS.

  1. Medical schoolGeorgetown University School Of Medicine
  2. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Nicole Alyssa Emma Dietz accepts plans from 17 insurance carriers

Dr. Dietz is in network with 17 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Excellus BlueCross BlueShield
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • CareFirst BlueCross BlueShield
  • Cigna
  • Elevance
  • HCSC
  • +9 more carriersWith a free account

Plan types Dr. Dietz accepts, by number of carriers

  1. PPO11
  2. HMO10
  3. Medicare9
  4. EPO5
  5. POS5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Nicole Alyssa Emma Dietz'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Nicole Alyssa Emma Dietz

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. Nicole Alyssa Emma Dietz's NPI number?

Dr. Nicole Alyssa Emma Dietz's NPI number is 1265595623. It was assigned on December 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Nicole Alyssa Emma Dietz?

Dr. Nicole Alyssa Emma Dietz is a neurologist in Fairfax, Virginia. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Nicole Alyssa Emma Dietz practice?

Dr. Dietz practices at 3020 Hamaker Ct, Fairfax, VA 22031. Dr. Dietz's primary practice is Neurology Center of Fairfax, Ltd in Fairfax, Virginia. Dmand AI also links Dr. Dietz to 4 hospitals, 1 group practice or clinic and 1 home health agency.

What is Dr. Nicole Alyssa Emma Dietz's office phone number?

The practice phone on file for Dr. Dietz is (703) 876-0800.

What is Dr. Nicole Alyssa Emma Dietz's medical license number?

Dr. Dietz holds Virginia license 0101250750, one of the licenses on file in 4 states.

Which states has Dr. Nicole Alyssa Emma Dietz been licensed in?

Dmand AI has state licenses on file for Dr. Dietz in Virginia (2011 to 2026), Maryland (2011 to 2016), District of Columbia (2011 to 2014) and Pennsylvania (2006 to 2010).

Which hospitals is Dr. Nicole Alyssa Emma Dietz affiliated with?

Dr. Dietz is affiliated with Inova Fair Oaks Hospital. Dmand AI links Dr. Dietz to 4 more hospitals.

What medical group is Dr. Nicole Alyssa Emma Dietz part of?

Dr. Dietz is linked to Neurology Center Of Fairfax, Ltd.

Does Dr. Nicole Alyssa Emma Dietz accept Medicare?

Yes. CMS data shows Dr. Dietz billed Medicare for 31,470 services in 2024, and Dr. Dietz accepts Medicare assignment.

Does Dr. Nicole Alyssa Emma Dietz offer telehealth?

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

Show 10 more questionsShow fewer questions

What is Dr. Nicole Alyssa Emma Dietz's MIPS score?

Dr. Dietz'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. Nicole Alyssa Emma Dietz see?

CMS counts 472 Medicare patients who saw Dr. Dietz in 2024, with an average age of 77.

Is Dr. Nicole Alyssa Emma Dietz board certified?

Yes. Dr. Dietz is board certified in neurology by the American Board of Psychiatry and Neurology.

What services does Dr. Nicole Alyssa Emma Dietz bill to Medicare?

In 2024, Dr. Dietz's most billed Medicare services were injected or infused drug (J0585), injected or infused drug (J0588) and office visit, established patient (99215).

Where did Dr. Nicole Alyssa Emma Dietz go to medical school?

Dr. Dietz graduated from Georgetown University School Of Medicine in 2006.

What drugs does Dr. Nicole Alyssa Emma Dietz prescribe most?

In 2024 Medicare Part D data, Dr. Dietz's most prescribed drugs by claims were Carbidopa-Levodopa, Gabapentin and Rasagiline Mesylate.

Has Dr. Nicole Alyssa Emma Dietz received payments from drug or device companies?

CMS Open Payments shows $5,260 in general payments to Dr. Dietz from 44 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Nicole Alyssa Emma Dietz been practicing?

Dr. Dietz graduated from medical school in 2006, 20 years ago.

Does Dr. Nicole Alyssa Emma Dietz do research?

Dmand AI links 3 publications to Dr. Dietz.

What insurance does Dr. Nicole Alyssa Emma Dietz accept?

Dr. Dietz is in network with 17 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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