William Largen, MD
NPI 1336435205 · Infectious Disease Physician · Summerville, SC
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Largen, MD is a Infectious Disease Physician provider in Summerville, SC (NPI 1336435205).
Provider details
- NPI number
- 1336435205
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 33860 (SC)
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
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,100 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 35 Minutes99232 | 872 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 640 | $111 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 278 | $122 |
| Critical Care, First 30-74 Minutes99291 | 188 | $200 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 106 | $85 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ceftriaxone Sodiumbrand: Ceftriaxone | 86 | 13 |
| Vancomycin Hcl | 81 | 22 |
| Cefoxitin Sodiumbrand: Cefoxitin | 65 | — |
| Doxycycline Hyclate | 44 | 16 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 33 | — |
| Cefepime Hcl | 28 | — |
| Azithromycin | 27 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$657 across 23 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
Additional practice locations (1)
- 1481 Tobias Gadson Blvd Ste 1aCharleston, SC 29407-4879Phone: (843) 402-3093Fax: (843) 402-3094
Registry dates
- Enumerated
- 2011-06-20
- Last updated
- 2019-02-12
Frequently asked questions
- What is William Largen's NPI number?
- William Largen's National Provider Identifier (NPI) is 1336435205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Largen's specialty?
- William Largen is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Largen located?
- William Largen's practice location on file with NPPES is 1520 Old Trolley Rd, Summerville, SC 29485-5292.
- What is William Largen's phone number?
- The practice phone number listed in the NPPES registry for William Largen is (843) 402-0227.
- Does William Largen accept Medicare?
- William Largen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Largen's NPI active?
- Yes — William Largen's NPI (1336435205) is active in the NPPES registry as of the last update on 2019-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.