Dr. Douglas Chin-Lu Chang , MD
Internal Medicine • Phoenix, AZ
Professional Overview & Biography Verified Profile Summary
Dr. Douglas Chang, MD is a certified Internal Medicine practicing in Phoenix, AZ. With approximately 24 years of clinical experience since graduating from Rutgers New Jersey Medical School in 2002, Dr. Chang delivers high-quality medical care to the local community at 4212 N 16TH ST.
Dr. Chang is affiliated with Dhew Ind Hlth Sv Hlth Svs And Mntl Hlth Adm and accepts Medicare assignment.
Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
4212 N 16th St
Phoenix, AZ 850165319
Medicare Profile & Education
Rutgers New Jersey Medical School
2002
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Phoenix, AZ
Practicing in Phoenix, AZ (2967 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99233
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
|
26 | 15 | $116.00 | $105.57 |
|
99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
|
22 | 13 | $81.91 | $72.78 |
Medical Specialties & State Licenses
CMS Verified: 2026-05-20NUCC Taxonomy Code: 207R00000X
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.
Hospital & Practice Group Affiliations
Dhew Ind Hlth Sv Hlth Svs And Mntl Hlth Adm
4212 N 16th St, Phoenix, AZ 850165319
Phone: 6022631200
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Registered Nurse - Obstetric, High-Risk
Registered Nurse
Registered Nurse
Family Medicine
Doctor of Medicine (M.D.)
Registered Nurse
Registered Nurse
Pharmacist
Doctor of Pharmacy (Pharm.D.)
Pharmacist
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at PO BOX 95460, CLEVELAND, OH 441010033 (Tel: 6025816076)
NPI status registered as active in NPPES database
Registered at 4212 N 16TH ST, PHOENIX, AZ 850165319 (Tel: 6027683634)
Registered at 4212 N 16TH ST, PHOENIX, AZ 850165319 (Tel: 6027683634)
Recorded as DOUGLAS CHANG, M.D.
Internal Medicine (License #233253-1 in NY)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
Po Box 95460
Cleveland, OH 441010033
Phone: 6025816076
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