NATHAN BYOUNGJUN HAN MD
NPI 1417484569
Neurological Surgery in San Francisco, CA

Q: What is Nathan Han's NPI number?

The NPI number for Nathan Han is 1417484569. It was assigned to this individual provider in the NPPES registry on May 20, 2017.

Q: What is Nathan Han's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Q: When was this NPI record last updated?

The NPPES record for Nathan Han was last updated on June 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 20, 2017PECOS EnrolledAccepts Medicare Assignment

400 PARNASSUS AVE # A303, SAN FRANCISCO, CA 94143(415) 353-3292 Get Directions Write a Review

NPPES record last updated: June 27, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 27, 2024, May 20, 2017 (2 updates tracked since 2017).

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About Nathan Byoungjun Han Md NPPES

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

NATHAN BYOUNGJUN HAN MD (NPI 1417484569) is an individual neurological surgery provider in San Francisco, California, licensed in California (A194591) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Baltimore, and is a graduate of New York University School Of Medicine (2017).

NPPES Registry Identity

NPI1417484569

Entity TypeIndividualMale

Primary Taxonomy207T00000X

Provider Legal NameNATHAN BYOUNGJUN HANCredential: MD

Location Address400 PARNASSUS AVE # A303San Francisco, CA 94143-2202

Mailing Address400 Parnassus Ave # A303San Francisco, CA 94143-2202 · (415) 353-3292

Phone(415) 353-3292

Sole ProprietorNo

Medical School CMSNew York University School Of MedicineGraduated 2017

Enumeration DateMay 20, 2017

Last NPPES UpdateJune 27, 20242 updates tracked since enumeration

NPPES CertifiedJanuary 30, 2024

✔ NPI 1417484569 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207T00000X

License✔ Licensed in CA · A194591

Definition

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

400 PARNASSUS AVE # A303, San Francisco, CA 94143

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Secondary Practice Location 1

Location 122 S Greene StBaltimore, MD 21201-1544 · Phone (408) 340-8310

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nathan Byoungjun Han Md 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 ID2769721588

PECOS Enrollment IDI20240625003345

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.

Medicare Billing Reassignments

Medicare enrollment records show Nathan Han reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco

Same address

Surgery

400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
5,645 clinicians in this Medicare group

NPI 1346329380 (415) 353-2161

Ucsf Medical Group Business Services

Same address

Internal Medicine

400 PARNASSUS AVE
San Francisco, CA 94122

Reassigned Medicare billing, California enrollment
5,544 clinicians in this Medicare group

NPI 1477624104 (415) 353-2808

Hoag Clinic

382 mi

Primary Care

510 SUPERIOR AVE
Newport Beach, CA 92663

Reassigned Medicare billing, California enrollment
529 clinicians in this Medicare group

NPI 1942799523 (949) 791-3001

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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.

Fusion of additional segment of spine 22614

Fusion of an additional segment of the spine is a surgical procedure to join two or more vertebrae together. This is done to stabilize the spine and reduce pain or correct a deformity. The procedure involves using bone grafts, rods, or screws to secure the spine.

57 services16 patients

Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853

Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.

54 services33 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

22 services22 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.

19 services19 patients

Placement of stabilizing device to back, 3-6 spine bone segments 22842

This procedure involves placing a device on your back to stabilize 3-6 spine bone segments. It aids in maintaining spine alignment and reducing pain. The device is secured to the bones, providing support and promoting healing.

16 services16 patients

Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc 22551

This procedure involves fusing together the bones in the upper spine to stabilize it. A disc is removed to ease pressure on the spinal cord or nerve. This helps reduce pain and improve mobility. This is a common treatment for certain spinal conditions.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

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 10

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

MARC ANDREW PRABLEK MD

Neurological Surgery