Daniel Chang, M.D.
NPI 1578959862 · Family Medicine Physician · Glendale, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Chang, M.D. is a Family Medicine Physician provider in Glendale, AZ (NPI 1578959862).
Provider details
- NPI number
- 1578959862
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
734 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 179 | $88 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 149 | $123 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 111 | $107 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 96 | $16 |
| X-Ray of Chest, 2 Views71046 | 69 | $31 |
| Automated Urinalysis Test81003 | 54 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 134 | 128 |
| Azithromycin | 84 | 82 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 76 | 75 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 69 | 68 |
| Fluticasone Propionate | 40 | 27 |
| Ciprofloxacin Hcl | 31 | 30 |
| Doxycycline Hyclate | 31 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-13
- Last updated
- 2023-01-25
- Certified
- 2023-01-25
Frequently asked questions
- What is Daniel Chang's NPI number?
- Daniel Chang's National Provider Identifier (NPI) is 1578959862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Chang's specialty?
- Daniel Chang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Chang located?
- Daniel Chang's practice location on file with NPPES is 6220 W Bell Rd Ste 100c, Glendale, AZ 85308-3896.
- What is Daniel Chang's phone number?
- The practice phone number listed in the NPPES registry for Daniel Chang is (602) 547-7335.
- Does Daniel Chang accept Medicare?
- Daniel Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Chang's NPI active?
- Yes — Daniel Chang's NPI (1578959862) is active in the NPPES registry as of the last update on 2023-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.