CHENGYU XU M.D.
NPI 1669600086
Internal Medicine - Endocrinology, Diabetes & Metabolism in Daly City, CA

Q: What is Chengyu Xu's NPI number?

The NPI number for Chengyu Xu is 1669600086. It was assigned to this individual provider in the NPPES registry on June 24, 2009.

Q: What is Chengyu Xu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Chengyu Xu was last updated on January 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 June 24, 2009PECOS EnrolledAccepts Medicare Assignment

98.95/100

CMS Quality Rating

386 GELLERT BLVD, DALY CITY, CA 94015(650) 761-3500(650) 761-3580 Get Directions Write a Review

NPPES record last updated: January 4, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 4, 2022, Aug 4, 2017 (2 updates tracked since 2017).

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About Chengyu Xu M.d. NPPES

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

CHENGYU XU M.D. (NPI 1669600086) is an individual endocrinology, diabetes & metabolism provider in Daly City, California, licensed in California (A121215) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1669600086

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameCHENGYU XUCredential: M.D.

Location Address386 GELLERT BLVDDaly City, CA 94015-2611

Mailing Address386 Gellert BlvdDaly City, CA 94015-2611 · (650) 761-3500

Phone(650) 761-3500

Fax(650) 761-3580

Sole ProprietorNo

Medical School CMSOtherGraduated 1996

Enumeration DateJune 24, 2009

Last NPPES UpdateJanuary 4, 20222 updates tracked since enumeration

✔ NPI 1669600086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in CA · A121215

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License A121215 (CA)

386 GELLERT BLVD, Daly City, CA 94015

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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

Chengyu Xu 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 ID1355564501

PECOS Enrollment IDI20140516000268

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 Chengyu Xu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Chinese Hospital Association

Same address

Primary Care

386 GELLERT BLVD, SUITE B, C & D
Daly City, CA 94015

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

NPI 1891150587 (650) 755-5884

Permanente Medical Group Inc

8.3 mi

Internal Medicine

2238 GEARY
San Francisco, CA 94116

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1841373800 (415) 833-2200

Golden Valley Health Center

69 mi

Federally Qualified Health Center (FQHC)

302 NORTHGATE DR
Manteca, CA 95336

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Golden Valley Health Centers
440 clinicians in this Medicare group

NPI 1477020121 (209) 239-5299

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 7

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, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

1,380 services18 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.

208 services108 patients

Blood glucose (sugar) test performed by hand-held instrument 82962

A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.

130 services70 patients

Hemoglobin a1c level, by device for home use 83037

A Hemoglobin A1c device for home use allows you to check your average blood sugar levels over the past 3 months. It's a simple, painless test that provides immediate results, helping you manage your diabetes more effectively.

127 services69 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

29 services20 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

26 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94015 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

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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.

98.95/100

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

Scored as part of a group practice

Quality

89.01

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

18 suppliers101 claims299 services$5.34 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

16 suppliers87 claims127 services$0.90 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier34 claims34 services$194.47 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

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

GOLDEN GATE RADIOLOGY MEDICAL GROUP, INC

Radiology (Diagnostic Radiology)