Wonsock Shin, M.D.
NPI 1821098203 · Internal Medicine Physician · Vienna, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wonsock Shin, M.D. is a Internal Medicine Physician provider in Vienna, VA (NPI 1821098203).
Provider details
- NPI number
- 1821098203
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0055325 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
2,942 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,542 | $136 |
| Advance Care Planning, First 30 Minutes99497 | 279 | $83 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 274 | $20 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 270 | $134 |
| Administration of Influenza Virus VaccineG0008 | 168 | $36 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 145 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 152 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,917 | 610 |
| Losartan Potassium | 780 | 235 |
| Metformin Hcl | 643 | 212 |
| Amlodipine Besylate | 624 | 190 |
| Omeprazole | 565 | 252 |
| Levothyroxine Sodium | 479 | 133 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$566 across 27 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
- 2005-07-27
- Last updated
- 2025-11-14
- Certified
- 2025-11-14
Frequently asked questions
- What is Wonsock Shin's NPI number?
- Wonsock Shin's National Provider Identifier (NPI) is 1821098203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wonsock Shin's specialty?
- Wonsock Shin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wonsock Shin located?
- Wonsock Shin's practice location on file with NPPES is 410 Pine St Se, Vienna, VA 22180-4861.
- What is Wonsock Shin's phone number?
- The practice phone number listed in the NPPES registry for Wonsock Shin is (703) 865-8615.
- Does Wonsock Shin accept Medicare?
- Wonsock Shin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wonsock Shin's NPI active?
- Yes — Wonsock Shin's NPI (1821098203) is active in the NPPES registry as of the last update on 2025-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.