LEEYEN HSU
NPI 1235541962
Internal Medicine - Pulmonary Disease in Sherman Oaks, CA

Q: What is Leeyen Hsu's NPI number?

The NPI number for Leeyen Hsu is 1235541962. It was assigned to this individual provider in the NPPES registry on May 29, 2014.

Q: What is Leeyen Hsu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Leeyen Hsu was last updated on February 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since May 29, 2014PECOS EnrolledAccepts Medicare Assignment

4955 VAN NUYS BLVD STE 502, SHERMAN OAKS, CA 91403(818) 325-0200 Get Directions Write a Review

NPPES record last updated: February 22, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 22, 2023, Jan 17, 2023, Dec 3, 2021 (3 updates tracked since 2021).

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About Leeyen Hsu NPPES

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

LEEYEN HSU (NPI 1235541962) is an individual pulmonary disease provider in Sherman Oaks, California, licensed in California (A140050) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of University Of California, Davis School Of Medicine (2014).

NPPES Registry Identity

NPI1235541962

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameLEEYEN HSU

Location Address4955 VAN NUYS BLVD STE 502Sherman Oaks, CA 91403-1817

Mailing Address200 W Arbor Dr # 8425San Diego, CA 92103-1911 · (619) 543-6268 · Fax (619) 543-6529

Phone(818) 325-0200

Sole ProprietorNo

Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 2014

Enumeration DateMay 29, 2014

Last NPPES UpdateFebruary 22, 20233 updates tracked since enumeration

NPPES CertifiedFebruary 22, 2023

✔ NPI 1235541962 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in CA · A140050

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

4955 VAN NUYS BLVD STE 502, Sherman Oaks, CA 91403

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Secondary Practice Location 1

Location 1200 W Arbor Dr # 8425San Diego, CA 92103-1911 · Phone (619) 543-6268 · Fax (619) 543-6529

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

Leeyen Hsu 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 ID1850657966

PECOS Enrollment IDI20200824001176

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 5

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 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

2,726 services412 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.

633 services172 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.

403 services348 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.

60 services46 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.

42 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91403 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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 8

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

JACKLYNN IBRAHIM

Internal Medicine (Pulmonary Disease)