Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Endocrinology

Calvin Wu, MD

Sees patients in Glendale, CA · California

Summary

Calvin Wu, MD (Endocrinology) is enrolled with Medicare at 1 practice location in Glendale, CA. NPI 1659646891. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Calvin Wu, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

EndocrinologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
15Years since medical school (graduated 2011)
MaleGender (as listed)

Quick answers

Where does Calvin Wu see patients?
Medicare's clinician data lists 1 practice location in Glendale, CA. Call before your visit to confirm the address.
What is Calvin Wu's specialty?
Medicare lists Endocrinology as the primary specialty.
Does Calvin Wu accept Medicare assignment?
Yes. Medicare's clinician data says Calvin Wu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Calvin Wu offer telehealth?
Medicare's clinician data says Calvin Wu offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Calvin Wu?
(417) 880-7500, as listed in official Medicare / NPI Registry data.
What is Calvin Wu's NPI number?
1659646891. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Calvin Wu is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Endocrinology doctors in California →

Other endocrinologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All endocrinologists in California →

Clinician information

CredentialMD
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1659646891
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians