CALVIN CHIH-CHIA WU M.D.
NPI 1659646891
Internal Medicine - Endocrinology, Diabetes & Metabolism in Glendale, CA

Active since March 21, 2012PECOS EnrolledAccepts Medicare Assignment
330 N BRAND BLVD STE 700, GLENDALE, CA 91203(917) 382-0901 Get Directions Write a Review

NPPES record last updated: July 1, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 1, 2025, May 2, 2018, Jun 30, 2017 (3 updates tracked since 2017).

About Calvin Chih-chia Wu M.d. NPPES

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

CALVIN CHIH-CHIA WU M.D. (NPI 1659646891) is an individual endocrinology, diabetes & metabolism provider in Glendale, California, licensed in California (A122403) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1659646891
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameCALVIN CHIH-CHIA WUCredential: M.D.
Location Address330 N BRAND BLVD STE 700Glendale, CA 91203-2336
Mailing Address342 5th Ave Apt 3San Francisco, CA 94118-2340 · (415) 254-2834 · Fax (347) 745-3846
Sole ProprietorYes
Medical School CMSOtherGraduated 2011
Enumeration DateMarch 21, 2012
Last NPPES UpdateJuly 1, 20253 updates tracked since enumeration
NPPES CertifiedJuly 1, 2025
NPI 1659646891 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in CA · A122403
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.

330 N BRAND BLVD STE 700, Glendale, CA 91203

Other Identifiers 1

Other113813CA · Sid # 113813

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

Calvin Chih-chia Wu 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 ID8426340563
PECOS Enrollment IDI20170717001562
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91203 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Other Providers at the Same Location NPPES 19

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

Speech-Language Pathologist
330 N BRAND BLVD STE 700
GLENDALE, CA 91203
Counselor (Mental Health)
330 N BRAND BLVD STE 700
GLENDALE, CA 91203
Family Medicine
330 N BRAND BLVD STE 700
GLENDALE, CA 91203
Health and Wellness Coach
330 N BRAND BLVD STE 700
GLENDALE, CA 91203
Health and Wellness Coach
330 N BRAND BLVD STE 700
GLENDALE, CA 91203
Counselor (Mental Health)
330 N BRAND BLVD STE 700
GLENDALE, CA 91203
Health and Wellness Coach
330 N BRAND BLVD STE 700
GLENDALE, CA 91203
Health and Wellness Coach
330 N BRAND BLVD STE 700
GLENDALE, CA 91203

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659646891, enumerated as an "individual" on March 21, 2012.

The provider is located at 330 N BRAND BLVD STE 700 GLENDALE, CA 91203 and the phone number is (917) 382-0901.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.