Danny Choy, D.O
NPI 1376526954 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Danny Choy, D.O is a Internal Medicine Physician provider in Chicago, IL (NPI 1376526954).
Provider details
- NPI number
- 1376526954
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036103062 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,206 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 624 | $133 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 293 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 168 | $134 |
| Administration of Influenza Virus VaccineG0008 | 78 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $95 |
| Initial Preventive Physical Examination; Face-To-Face Visit, Services Limited to New Beneficiary During the First 12 Months of Medicare EnrollmentG0402 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 858 | 257 |
| Amlodipine Besylate | 480 | 143 |
| Losartan Potassium | 467 | 134 |
| Metformin Hclbrand: Metformin Hcl Er | 282 | 90 |
| Calcitriol | 265 | 81 |
| Alendronate Sodium | 192 | 66 |
| Valsartan | 187 | 51 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-28
- Last updated
- 2012-02-10
Frequently asked questions
- What is Danny Choy's NPI number?
- Danny Choy's National Provider Identifier (NPI) is 1376526954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Danny Choy's specialty?
- Danny Choy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Danny Choy located?
- Danny Choy's practice location on file with NPPES is 2323 S Wentworth Ave, Chicago, IL 60616-4615.
- What is Danny Choy's phone number?
- The practice phone number listed in the NPPES registry for Danny Choy is (312) 842-0100.
- Does Danny Choy accept Medicare?
- Danny Choy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Danny Choy's NPI active?
- Yes — Danny Choy's NPI (1376526954) is active in the NPPES registry as of the last update on 2012-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.