Chang-Kun Choi, D.O.
NPI 1760577241 · Internal Medicine Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chang-Kun Choi, D.O. is a Internal Medicine Physician provider in Tucson, AZ (NPI 1760577241).
Provider details
- NPI number
- 1760577241
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4476 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,795 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 515 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 293 | $93 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 159 | $166 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 136 | $11 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 136 | $8 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 312 | 68 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 306 | 116 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 181 | 42 |
| Montelukast Sodium | 103 | 30 |
| Fluconazole | 71 | 25 |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 71 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$790 across 41 records (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
Additional practice locations (1)
- 1100 Central Ave SeAlbuquerque, NM 87106-4930Phone: (505) 724-6124
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2022-03-02
- Certified
- 2022-03-02
Frequently asked questions
- What is Chang-Kun Choi's NPI number?
- Chang-Kun Choi's National Provider Identifier (NPI) is 1760577241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chang-Kun Choi's specialty?
- Chang-Kun Choi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chang-Kun Choi located?
- Chang-Kun Choi's practice location on file with NPPES is 5301 E Grant Rd, Tucson, AZ 85712-2805.
- What is Chang-Kun Choi's phone number?
- The practice phone number listed in the NPPES registry for Chang-Kun Choi is (520) 324-5664.
- Does Chang-Kun Choi accept Medicare?
- Chang-Kun Choi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chang-Kun Choi's NPI active?
- Yes — Chang-Kun Choi's NPI (1760577241) is active in the NPPES registry as of the last update on 2022-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.