William D. Largen, MD
Infectious Disease Physician · Summerville, SC
William D. Largen, MD is an infectious disease physician with a practice address in Summerville, South Carolina, and NPI 1336435205, issued on Jun 20, 2011. Check the license (South Carolina 33860, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William D. Largen
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 33860 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1520 Old Trolley RD, Summerville, SC 29485
- Phone
- (843) 402-0227
- Enumerated
- Jun 20, 2011
- Record last updated
- Feb 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (843) 402-0232
- Medicare enrollment
- Enrolled (PECOS I20160602000980); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 119 in South Carolina → Look up another NPI →
Verify William D. Largen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 33860Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average infectious disease physician in 2024
715 Medicare Part D claims for 145 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Ceftriaxone86 claims
- Vancomycin Hcl81 claims
- Cefoxitin65 claims
- Doxycycline Hyclate44 claims
- Biktarvy33 claims
- Cefepime Hcl28 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $656.60
23 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Lowcountry Infectious Diseases PASummerville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William D. Largen among 119 infectious disease physician records in South Carolina
William D. Largen, MD is one of 119 infectious disease physician records with a practice address in South Carolina. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.
- NPI issued2011 · 65% of these records are older, 29% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2011 · median 2005 among the 89 with a school on file
- Record last updated2019 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in South Carolina
There are 119 infectious disease physician records in South Carolina.
All 119 in South Carolina → Every provider in Summerville → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Janice Heintze, M.D.Summerville, SC 294851831693332
- Julio Arroyo, MDFlorence, SC 295011063487262
- Temujin Chavez, M.D.Florence, SC 295051558323543
- Karim Nazer, M.D.Florence, SC 295051174613004
- Ramesh Bharadwaj, M.DFlorence, SC 295061467634030
- Sisay Debebe, M.D.Florence, SC 295061891083143
- James Allen, M.D.Johns Island, SC 294551700105376
- Maria Bandres Urbina, M.DConway, SC 295261174975098
Common questions
What is William D. Largen, MD's NPI number?
William D. Largen, MD's National Provider Identifier (NPI) is 1336435205, issued on Jun 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is William D. Largen, MD located?
The NPPES record lists a practice address at 1520 Old Trolley RD, Summerville, SC, 29485. Phone: (843) 402-0227. Providers update this record themselves, so call before visiting.
How can I verify William D. Largen, MD's license?
NPPES lists South Carolina license number 33860, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William D. Largen, MD prescribe under Medicare Part D?
In 2024, William D. Largen, MD had 715 Medicare Part D claims for 145 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is William D. Largen, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.