Woojin Kim, MD
NPI 1134387111 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Woojin Kim, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1134387111).
Provider details
- NPI number
- 1134387111
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 230664 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 195 | 99 |
| Sucralfate | 95 | 24 |
| Famotidine | 25 | 12 |
| Pantoprazole Sodium | 22 | — |
| Nystatin | 21 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 20 | 18 |
| Mesalamine | 16 | — |
| Adefovir Dipivoxil |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$649 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
- 2008-05-27
- Last updated
- 2021-10-22
- Certified
- 2021-10-22
Frequently asked questions
- What is Woojin Kim's NPI number?
- Woojin Kim's National Provider Identifier (NPI) is 1134387111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Woojin Kim's specialty?
- Woojin Kim is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Woojin Kim located?
- Woojin Kim's practice location on file with NPPES is 45 E Newton St, Boston, MA 02118-4802.
- What is Woojin Kim's phone number?
- The practice phone number listed in the NPPES registry for Woojin Kim is (917) 282-9234.
- Does Woojin Kim accept Medicare?
- Woojin Kim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Woojin Kim's NPI active?
- Yes — Woojin Kim's NPI (1134387111) is active in the NPPES registry as of the last update on 2021-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.