1. Home
  2. Directory
  3. South Carolina
  4. Summerville
  5. Internal Medicine
  6. NPI Profile

WILLIAM D LARGEN MD
NPI 1336435205
Internal Medicine - Infectious Disease in Summerville, SC

Active since June 20, 2011PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
1520 OLD TROLLEY RD, STE 101, SUMMERVILLE, SC 29485(843) 402-0227(843) 402-0232 Get Directions Write a Review

NPPES record last updated: February 12, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William D Largen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM D LARGEN MD (NPI 1336435205) is an individual infectious disease provider in Summerville, South Carolina, licensed in South Carolina (33860) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and maintains a secondary practice location in Charleston.

NPPES Registry Identity

NPI1336435205
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameWILLIAM D LARGENCredential: MD
Location Address1520 OLD TROLLEY RD, STE 101Summerville, SC 29485-5292
Mailing Address1938 Charlie Hall Blvd Unit BCharleston, SC 29414-6099 · (843) 402-0227 · Fax (843) 402-0232
Phone(843) 402-0227
Fax(843) 402-0232
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 2011
Enumeration DateJune 20, 2011
Last NPPES UpdateFebruary 12, 2019
✔ NPI 1336435205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in SC · 33860
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
1520 OLD TROLLEY RD, Summerville, SC 29485
Open in Google Maps ↗

Secondary Practice Location 1

Location 11481 Tobias Gadson Blvd Ste 1ACharleston, SC 29407-4879 · Phone (843) 402-3093 · Fax (843) 402-3094

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William D Largen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID840411740
PECOS Enrollment IDI20160602000980
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
872 services343 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
640 services308 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
278 services264 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
188 services66 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
106 services60 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
16 services16 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Musc Medical Center

Acute Care Hospitals · Charleston, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420004
Location169 Ashley AveCharleston, SC 29425 · Charleston County
Emergency services Birthing friendly

Bon Secours-St Francis Xavier Hospital

Acute Care Hospitals · Charleston, SC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420065
Location2095 Henry Tecklenburg DriveCharleston, SC 29414 · Charleston County
Emergency services Birthing friendly

Roper Hospital

Acute Care Hospitals · Charleston, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420087
Location316 Calhoun StCharleston, SC 29401 · Charleston County
Emergency services

East Cooper Medical Center

Acute Care Hospitals · Mount Pleasant, SC
5/5 CMS rating
OwnershipProprietary
CMS Certification Number420089
Location2000 Hospital DrMount Pleasant, SC 29464 · Charleston County
Emergency services Birthing friendly

Mount Pleasant Hospital

Acute Care Hospitals · Mount Pleasant, SC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420104
Location3510 Highway 17 North Suite 140Mount Pleasant, SC 29466 · Charleston County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29485 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Largen's NPI number?

The NPI number for William Largen is 1336435205. It was assigned to this individual provider in the NPPES registry on June 20, 2011.

Where is William Largen located?

William Largen practices at 1520 Old Trolley Rd Ste 101, Summerville, SC 29485. The listed phone number is (843) 402-0227.

What is William Largen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is William Largen enrolled in Medicare?

Yes. William Largen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Largen accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and UnitedHealthcare list William Largen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Largen affiliated with any hospitals?

According to CMS data, William Largen is affiliated with Musc Medical Center, Bon Secours-St Francis Xavier Hospital, Roper Hospital, East Cooper Medical Center and Mount Pleasant Hospital.

When was this NPI record last updated?

The NPPES record for William Largen was last updated on February 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.