DR. BYUNG CHAN THOMAS AHN M.D.
NPI 1962701219
Psychiatry & Neurology - Neurology in Reno, NV

Q: What is Byung Chan Ahn's NPI number?

The NPI number for Byung Chan Ahn is 1962701219. It was assigned to this individual provider in the NPPES registry on March 24, 2011.

Q: What is Byung Chan Ahn's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Byung Chan Ahn was last updated on August 20, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 24, 2011PECOS EnrolledAccepts Medicare Assignment

0/100

CMS Quality Rating

7111 S VIRGINIA ST STE D2, RENO, NV 89511(775) 870-1230(833) 606-1557 Get Directions Write a Review

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 27, 2022, Jun 11, 2019, Aug 29, 2018 and 1 more (4 updates tracked since 2018).

On this page

About Dr. Byung Chan Thomas Ahn M.d. NPPES

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

DR. BYUNG CHAN THOMAS AHN M.D. (NPI 1962701219) is an individual neurology provider in Reno, Nevada, licensed in Nevada (18133) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and is a graduate of University Of California, San Diego School Of Medicine (2011).

NPPES Registry Identity

NPI1962701219

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameDR. BYUNG CHAN THOMAS AHNCredential: M.D.

Location Address7111 S VIRGINIA ST STE D2Reno, NV 89511-1141

Mailing Address7111 S Virginia St Ste D2Reno, NV 89511-1141 · (775) 870-1230 · Fax (833) 606-1557

Phone(775) 870-1230

Fax(833) 606-1557

Sole ProprietorNo

Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2011

Enumeration DateMarch 24, 2011

Last NPPES UpdateAugust 20, 20254 updates tracked since enumeration

NPPES CertifiedAugust 20, 2025

✔ NPI 1962701219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

Licenses✔ Licensed in NV · 18133✔ Licensed in IL · 125060435✔ Licensed in CO · DR.0055890

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.

7111 S VIRGINIA ST STE D2, Reno, NV 89511

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Other Identifiers 2

Other13746319NV · Caqh Number

Other18133NV · Medical License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health.Insurance ›

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. Byung Chan Thomas Ahn M.d. 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 ID5890096374

PECOS Enrollment IDI20181016002893

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 14

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.

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.

585 services366 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

297 services297 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.

240 services240 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

159 services79 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

103 services88 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.

99 services79 patients

Evaluation of neuropsychological test, first hour 96132

An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.

98 services91 patients

Administration of psychological or neuropsychological test, first 30 minutes 96136

This procedure involves a health professional conducting a psychological or neuropsychological test. The first 30 minutes typically involve understanding your mental health or brain function through various assessments. This helps in diagnosing and treating mental health disorders effectively.

98 services91 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.

92 services92 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.

64 services63 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

46 services46 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

44 services44 patients

Telephone or internet assessment with verbal and written report by consulting physician, more than 30 minutes 99449

This service involves a consulting physician assessing your health condition through a phone or internet consultation lasting over 30 minutes. The physician will provide a verbal explanation and a written report of the findings, helping you understand your health status better.

29 services29 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

15 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Renown Regional Medical Center

Acute Care Hospitals · Reno, NV

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number290001

Location1155 Mill StreetReno, NV 89502 · Washoe County

Emergency services Birthing friendly

Northern Nevada Medical Center

Acute Care Hospitals · Sparks, NV

3/5 CMS rating

OwnershipProprietary

CMS Certification Number290032

Location2375 E Prater WaySparks, NV 89434 · Washoe County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89511 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

$131.25 typical visit price

range $57.07 – $173.24

Typical copayment $32.81 (range $14.26 – $43.31)

Most-billed visit code 99204

Established Patient

$100.60 typical visit price

range $18.27 – $140.96

Typical copayment $25.15 (range $4.56 – $35.24)

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.

0/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

Other Providers at the Same Location NPPES 3

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

DAVID THAYER KYLE PA-C

Physician Assistant

7111 S VIRGINIA ST STE D2
RENO, NV 89511

Washoe County (775) 870-1230

JULIO A MEZA

Physician Assistant

7111 S VIRGINIA ST STE D2
RENO, NV 89511

Washoe County (775) 870-1230

AHN'S ALLIANCE NEUROLOGY CONSULTANTS, PLLC

Psychiatry & Neurology (Neurology)

7111 S VIRGINIA ST STE D2
RENO, NV 89511

Washoe County (775) 870-1230

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 Byung Chan Ahn's NPI number?

The NPI number for Byung Chan Ahn is 1962701219. It was assigned to this individual provider in the NPPES registry on March 24, 2011.

Where is Byung Chan Ahn located?

Byung Chan Ahn practices at 7111 S Virginia St Ste D2, Reno, NV 89511. The listed phone number is (775) 870-1230.

What is Byung Chan Ahn's specialty?

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

Is Byung Chan Ahn enrolled in Medicare?

Yes. Byung Chan Ahn 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.

What insurance does Byung Chan Ahn accept?

Health plans from Ambetter from Arizona Complete Health list Byung Chan Ahn 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 Byung Chan Ahn affiliated with any hospitals?

According to CMS data, Byung Chan Ahn is affiliated with Renown Regional Medical Center and Northern Nevada Medical Center.

When was this NPI record last updated?

The NPPES record for Byung Chan Ahn was last updated on August 20, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.