Joann Yi, M.D.
NPI 1477783918 · Family Medicine Physician · Boca Raton, FL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joann Yi, M.D. is a Family Medicine Physician provider in Boca Raton, FL (NPI 1477783918).
Provider details
- NPI number
- 1477783918
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036096494 (IL)
Specialties & taxonomies
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
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,279 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 939 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 856 | $129 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 360 | $79 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 271 | $92 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 206 | $16 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 182 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 106 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 366 | 140 |
| Atorvastatin Calcium | 290 | 102 |
| Levothyroxine Sodium | 228 | 72 |
| Amlodipine Besylate | 206 | 76 |
| Losartan Potassium | 185 | 69 |
| Ezetimibe | 179 | 74 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$130 across 6 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
Registry dates
- Enumerated
- 2009-07-17
- Last updated
- 2026-03-24
- Certified
- 2026-03-24
Frequently asked questions
- What is Joann Yi's NPI number?
- Joann Yi's National Provider Identifier (NPI) is 1477783918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joann Yi's specialty?
- Joann Yi is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joann Yi located?
- Joann Yi's practice location on file with NPPES is 670 Glades Rd Ste 110, Boca Raton, FL 33431-6462.
- What is Joann Yi's phone number?
- The practice phone number listed in the NPPES registry for Joann Yi is (561) 361-3133.
- Does Joann Yi accept Medicare?
- Joann Yi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joann Yi's NPI active?
- Yes — Joann Yi's NPI (1477783918) is active in the NPPES registry as of the last update on 2026-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.