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DR. DOUGLAS CHIN-LU CHANG M.D.
NPI 1093914822
Internal Medicine in Phoenix, AZ

Active since July 12, 2007PECOS EnrolledAccepts Medicare Assignment
4212 N 16TH ST, PHOENIX, AZ 85016(602) 263-1200(602) 263-1619 Get Directions Write a Review

NPPES record last updated: May 20, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Douglas Chin-lu Chang M.d. NPPES

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

DR. DOUGLAS CHIN-LU CHANG M.D. (NPI 1093914822) is an individual internal medicine provider in Phoenix, Arizona, licensed in New York (233253-1) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (2002).

NPPES Registry Identity

NPI1093914822
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DOUGLAS CHIN-LU CHANGCredential: M.D.
Location Address4212 N 16TH STPhoenix, AZ 85016-5319
Mailing AddressPo Box 95460Cleveland, OH 44101-0033 · (602) 581-6076 · Fax (602) 263-1619
Phone(602) 263-1200
Fax(602) 263-1619
Sole ProprietorNo
Medical School CMSRutgers New Jersey Medical SchoolGraduated 2002
Enumeration DateJuly 12, 2007
Last NPPES UpdateMay 20, 2026
NPPES CertifiedMay 20, 2026
✔ NPI 1093914822 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 233253-1
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4212 N 16TH ST, Phoenix, AZ 85016
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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. Douglas Chin-lu Chang 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 ID7315031846
PECOS Enrollment IDI20070914000413
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 85016 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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 20

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

WENDY RAZO
Registered Nurse (Obstetric, High-Risk)
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
THOMAS RYAN HALL RN
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
DR. UMAR IQBAL M.D.
Family Medicine
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
SHARLA LOUISE WYATT RN
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
KATELYN WENTWORTH PELTIER PHARMD
Pharmacist
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
LAURA MOLANDER
Pharmacist
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
DR. ADEL M SALAMA M.D.
Internal Medicine
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
ANCITA BIGMAN RN
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1511

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 Douglas Chang's NPI number?

The NPI number for Douglas Chang is 1093914822. It was assigned to this individual provider in the NPPES registry on July 12, 2007.

Where is Douglas Chang located?

Douglas Chang practices at 4212 N 16th St, Phoenix, AZ 85016. The listed phone number is (602) 263-1200.

What is Douglas Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Douglas Chang enrolled in Medicare?

Yes. Douglas Chang 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 Douglas Chang was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.