1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Neurological Surgery
  6. NPI Profile

DR. ISAAC YANG M.D.
NPI 1669599197
Neurological Surgery in San Francisco, CA

Active since March 22, 2007PECOS EnrolledAccepts Medicare Assignment
72.19/100
CMS Quality Rating
505 PARNASSUS AVENUE ROOM M 779, M779 CAMPUS BOX-0112, SAN FRANCISCO, CA 94143(415) 353-3904(415) 353-3907 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Isaac Yang M.d. NPPES

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

DR. ISAAC YANG M.D. (NPI 1669599197) is an individual neurological surgery provider in San Francisco, California, licensed in California (A94314) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2004).

NPPES Registry Identity

NPI1669599197
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. ISAAC YANGCredential: M.D.
Location Address505 PARNASSUS AVENUE ROOM M 779, M779 CAMPUS BOX-0112San Francisco, CA 94143-0112
Mailing Address505 Parnassus Avenue Room M 779, M779 Campus Box-0112San Francisco, CA 94143-0112 · (415) 353-3904 · Fax (415) 353-3907
Phone(415) 353-3904
Fax(415) 353-3907
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2004
Enumeration DateMarch 22, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1669599197 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 · A94314
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.
505 PARNASSUS AVENUE ROOM M 779, San Francisco, CA 94143
Open in Google Maps ↗

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. Isaac Yang 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 ID1850415530
PECOS Enrollment IDI20100901000861
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 3

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.
26 services23 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.
24 services22 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.
18 services18 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.

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.

72.19/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.76
Promoting Interoperability100
Improvement Activities40
Cost36.63

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 Isaac Yang's NPI number?

The NPI number for Isaac Yang is 1669599197. It was assigned to this individual provider in the NPPES registry on March 22, 2007.

Where is Isaac Yang located?

Isaac Yang practices at 505 Parnassus Avenue Room M 779 M779 Campus Box-0112, San Francisco, CA 94143. The listed phone number is (415) 353-3904.

What is Isaac Yang's specialty?

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

Is Isaac Yang enrolled in Medicare?

Yes. Isaac Yang 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.

When was this NPI record last updated?

The NPPES record for Isaac Yang was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.