Hyun Ah Yoon
NPI 1689962193 · General Acute Care Hospital · Bronx, NY
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hyun Ah Yoon is a General Acute Care Hospital provider in Bronx, NY (NPI 1689962193).
Provider details
- NPI number
- 1689962193
- Entity type
- Individual
- Primary specialty
- General Acute Care HospitalHospitals
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Hospitals
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 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
197 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 50 Minutes99233 | 98 | $140 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 60 | $205 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 39 | $156 |
Typical Medicare-allowed amounts for these services range $140–$205 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$124 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
- 2011-07-18
- Last updated
- 2011-07-18
Frequently asked questions
- What is Hyun Ah Yoon's NPI number?
- Hyun Ah Yoon's National Provider Identifier (NPI) is 1689962193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hyun Ah Yoon's specialty?
- Hyun Ah Yoon is listed in the NPPES registry with a primary specialty of General Acute Care Hospital (Hospitals).
- Where is Hyun Ah Yoon located?
- Hyun Ah Yoon's practice location on file with NPPES is 111 E 210th St, Bronx, NY 10467-2401.
- What is Hyun Ah Yoon's phone number?
- The practice phone number listed in the NPPES registry for Hyun Ah Yoon is (718) 920-4321.
- Does Hyun Ah Yoon accept Medicare?
- Hyun Ah Yoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hyun Ah Yoon's NPI active?
- Yes — Hyun Ah Yoon's NPI (1689962193) is active in the NPPES registry as of the last update on 2011-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.