DR. LIEN Y. DIEP M.D.
NPI 1528358181
Psychiatry & Neurology - Neurology in Pensacola, FL

Q: What is Lien Diep's NPI number?

The NPI number for Lien Diep is 1528358181. It was assigned to this individual provider in the NPPES registry on April 15, 2011. The provider is also known as Lynn Y. Diep-Plagie M.D..

Q: What is Lien Diep'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 Lien Diep was last updated on July 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.

Active since April 15, 2011Accepts Medicare Assignment

97.58/100

CMS Quality Rating

5151 N 9TH AVE, PENSACOLA, FL 32504(850) 416-7000 Get Directions Write a Review

NPPES record last updated: July 15, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 12, 2024, Apr 10, 2020 (2 updates tracked since 2020).

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About Dr. Lien Y. Diep M.d. NPPES

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

DR. LIEN Y. DIEP M.D. (NPI 1528358181) is an individual neurology provider in Pensacola, Florida, licensed in Florida (ME175078) and active in the NPI registry since April 2011. She is affiliated with Sacred Heart Hospital and is a graduate of Howard University College Of Medicine (2002).

NPPES Registry Identity

NPI1528358181

Entity TypeIndividualFemale

Primary Taxonomy2084N0400X

Provider Legal NameDR. LIEN Y. DIEPCredential: M.D.

Location Address5151 N 9TH AVEPensacola, FL 32504-8721

Mailing Address4205 Belfort Rd Ste 4015Jacksonville, FL 32216-3623 · (904) 450-6063 · Fax (904) 539-4091

Phone(850) 416-7000

Sole ProprietorNo

Medical School CMSHoward University College Of MedicineGraduated 2002

Enumeration DateApril 15, 2011

Last NPPES UpdateJuly 15, 20252 updates tracked since enumeration

NPPES CertifiedJuly 15, 2025

✔ NPI 1528358181 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 FL · ME175078

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.

5151 N 9TH AVE, Pensacola, FL 32504

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Other Names 1

Other Name (5)Lynn Y. Diep-plagie M.d.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL) and more.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. Lien Y. Diep 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 ID2961631130

PECOS Enrollment IDI20250716004366

Areas of Expertise CMS Part B claims 11

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.

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.

143 services94 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

130 services81 patients

Measurement of brain wave activity (eeg), 41-60 minutes 95812

This procedure involves placing small sensors on your head to record your brain's electrical activity for 41-60 minutes. Known as an EEG, it helps doctors understand how your brain works, assisting in diagnosing conditions like epilepsy or sleep disorders.

105 services94 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.

62 services62 patients

Critical care, each additional 30 minutes 99292

Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.

51 services46 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.

49 services37 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.

40 services27 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.

35 services35 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.

19 services17 patients

Measurement of brain wave activity (eeg), 61-119 minutes 95813

The procedure you're having is an EEG, which measures your brain's electrical activity. Electrodes placed on your scalp capture signals that are recorded for 61-119 minutes. This helps identify any irregularities, aiding in diagnosing conditions like epilepsy or sleep disorders.

17 services15 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.

16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Sacred Heart Hospital

Acute Care Hospitals · Pensacola, FL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100025

Location5151 N 9th AvePensacola, FL 32504 · Escambia County

Emergency services Birthing friendly

North Okaloosa Medical Center

Acute Care Hospitals · Crestview, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100122

Location151 Redstone Ave SECrestview, FL 32539 · Okaloosa County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32504 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

$130.04 typical visit price

range $56.00 – $171.84

Typical copayment $32.51 (range $14.00 – $42.96)

Most-billed visit code 99204

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

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.

97.58/100

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

Scored through an Alternative Payment Model

Quality

86.53

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 9

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

Tubing with integrated heating element for use with positive airway pressure device A4604