EDWARD CHIH-YU SUN MD
NPI 1831161645
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in San Mateo, CA

Q: What is Edward Sun's NPI number?

The NPI number for Edward Sun is 1831161645. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Q: What is Edward Sun's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Q: When was this NPI record last updated?

The NPPES record for Edward Sun was last updated on September 13, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 February 06, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

359 N SAN MATEO DR, SUITE 1, SAN MATEO, CA 94401(650) 685-7100(650) 685-7109 Get Directions Write a Review

NPPES record last updated: September 13, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Edward Chih-yu Sun Md NPPES

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

EDWARD CHIH-YU SUN MD (NPI 1831161645) is an individual orthopaedic surgery of the spine provider in San Mateo, California, licensed in California (A64612) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (1996).

NPPES Registry Identity

NPI1831161645

Entity TypeIndividualMale

Primary Taxonomy207XS0117X

Provider Legal NameEDWARD CHIH-YU SUNCredential: MD

Location Address359 N SAN MATEO DR, SUITE 1San Mateo, CA 94401-2560

Mailing Address359 N San Mateo Dr, Suite 1San Mateo, CA 94401-2560 · (650) 685-7100 · Fax (650) 685-7109

Phone(650) 685-7100

Fax(650) 685-7109

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 1996

Enumeration DateFebruary 6, 2006

Last NPPES UpdateSeptember 13, 2011

✔ NPI 1831161645 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians

Taxonomy Code207XS0117X

License✔ Licensed in CA · A64612

Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.

359 N SAN MATEO DR, San Mateo, CA 94401

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Other Identifiers 3

OtherP00170606CA · Medicare Railroad Pin

Medicare UPINH39333CA

Medicare ID-Type Unspecified00A646120CA · Medicare Ppin

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

Edward Chih-yu Sun 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 ID7911804984

PECOS Enrollment IDI20040903000609

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 12

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

1,352 services133 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.

424 services238 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.

165 services165 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

158 services126 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484

This procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.

94 services76 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

56 services49 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

35 services17 patients

Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 63047

This procedure involves removing part of a spine bone to alleviate pressure on the lower spinal cord and/or nerves. It targets a single segment of the spine, improving mobility and reducing pain. It's a common treatment for conditions like herniated discs or spinal stenosis.

21 services21 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.

21 services21 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

17 services15 patients

Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 63048

This procedure involves the partial removal of a bone in your spine to alleviate pressure on your spinal cord or nerves. It may be performed on multiple spine segments depending on your condition. The aim is to improve mobility and reduce pain or discomfort.

15 services15 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

13 services13 patients

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.

100/100

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

Individually scored

Quality

100

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Appropriate Treatment for Upper Respiratory Infection (URI)

100%20 patients5/55-star benchmark: 100%

Breast Cancer Screening

79%284 patients4/55-star benchmark: 93%

Cervical Cancer Screening

61%214 patients3/55-star benchmark: 98%

Closing the Referral Loop: Receipt of Specialist Report

5%160 patients1/55-star benchmark: 87%

Colorectal Cancer Screening

69%638 patients4/55-star benchmark: 88%

Controlling High Blood Pressure

73%419 patients4/55-star benchmark: 91%

Diabetes: Eye Exam

58%111 patients3/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

21%111 patients4/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

84%1,885 patients4/55-star benchmark: 100%

e-Prescribing

99%454 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

9%593 patients1/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

37%1,068 patients2/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

15%863 patients1/55-star benchmark: 97%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

0%1,031 patients1/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 81% · 481 patients

Patients screened: 84% · 481 patients

35%26 patients2/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

100%1,199 patients5/55-star benchmark: 100%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 12% · 610 patients

Patients totalRate: 19% · 610 patients

16%610 patients3/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

DR. KUROSCH HATAMI D.D.S.

Dentist (General Practice)

359 N SAN MATEO DR, SUITE #1
SAN MATEO, CA 94401

San Mateo County (650) 344-1724

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 Edward Sun's NPI number?

The NPI number for Edward Sun is 1831161645. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Where is Edward Sun located?

Edward Sun practices at 359 N San Mateo Dr Suite 1, San Mateo, CA 94401. The listed phone number is (650) 685-7100.

What is Edward Sun's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Is Edward Sun enrolled in Medicare?

Yes. Edward Sun 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 Edward Sun was last updated on September 13, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.