Serena Yoon, MD
NPI 1477505279 · Internal Medicine Physician · Ithaca, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Serena Yoon, MD is a Internal Medicine Physician provider in Ithaca, NY (NPI 1477505279).
Provider details
- NPI number
- 1477505279
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 199049 (NY)
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
261 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 | 138 | $124 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 41 | $126 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 38 | $173 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $88 |
| Administration of Pneumococcal VaccineG0009 | 15 | $31 |
Typical Medicare-allowed amounts for these services range $31–$173 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 194 | 63 |
| Levothyroxine Sodium | 154 | 44 |
| Alendronate Sodium | 89 | 23 |
| Losartan Potassium | 75 | 23 |
| Amlodipine Besylate | 74 | 23 |
| Gabapentin | 72 | 19 |
| Hydrochlorothiazide | 71 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-17
- Last updated
- 2008-05-14
Frequently asked questions
- What is Serena Yoon's NPI number?
- Serena Yoon's National Provider Identifier (NPI) is 1477505279, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Serena Yoon's specialty?
- Serena Yoon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Serena Yoon located?
- Serena Yoon's practice location on file with NPPES is 8 Brentwood Dr, Ithaca, NY 14850-1863.
- What is Serena Yoon's phone number?
- The practice phone number listed in the NPPES registry for Serena Yoon is (607) 266-7500.
- Does Serena Yoon accept Medicare?
- Serena Yoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Serena Yoon's NPI active?
- Yes — Serena Yoon's NPI (1477505279) is active in the NPPES registry as of the last update on 2008-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.