WILLIAM MCDERMOTT MD
NPI 1831485838
Internal Medicine in Charleston, SC

Active since June 28, 2011PECOS EnrolledAccepts Medicare Assignment
169 ASHLEY AVE, ROOM 202 MAIN HOSPITAL, MSC 333, CHARLESTON, SC 29425(843) 792-2731 Get Directions Write a Review

NPPES record last updated: January 28, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William Mcdermott Md NPPES

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

WILLIAM MCDERMOTT MD (NPI 1831485838) is an individual internal medicine provider in Charleston, South Carolina, licensed in South Carolina (LL33918) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Colleton Medical Center, and is a graduate of State University Of Ny Upstate Medical University (2011).

NPPES Registry Identity

NPI1831485838
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM MCDERMOTTCredential: MD
Location Address169 ASHLEY AVE, ROOM 202 MAIN HOSPITAL, MSC 333Charleston, SC 29425-8905
Mailing Address169 Ashley Ave, Room 202 Main Hospital, Msc 333Charleston, SC 29425-8905 · (843) 792-2731
Sole ProprietorNo
Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 2011
Enumeration DateJune 28, 2011
Last NPPES UpdateJanuary 28, 2016
NPI 1831485838 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in SC · LL33918 Licensed in TN · 53685
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
169 ASHLEY AVE, Charleston, SC 29425

Accepted 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 Mcdermott 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 ID6103140504
PECOS Enrollment IDI20150324002481
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 5

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.
1,966 services220 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.
635 services163 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
125 services124 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
89 services84 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Colleton Medical Center

Acute Care Hospitals · Walterboro, SC
3/5 CMS rating
OwnershipProprietary
CMS Certification Number420030
Location501 Robertson BoulevardWalterboro, SC 29488 · Colleton 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

Grand Strand Regional Medical Center

Acute Care Hospitals · Myrtle Beach, SC
3/5 CMS rating
OwnershipProprietary
CMS Certification Number420085
Location809 82nd ParkwayMyrtle Beach, SC 29572 · Horry 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

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 29425 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims12 services$768.64 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapist (Orthopedic)
169 ASHLEY AVE, ROOM, 3SW WING
CHARLESTON, SC 29425
Health and Wellness Coach
169 ASHLEY AVE
CHARLESTON, SC 29425
Anesthesiology
169 ASHLEY AVE
CHARLESTON, SC 29425
Pathology (Anatomic Pathology & Clinical Pathology)
169 ASHLEY AVE, ROOM 202 MAIN HOSPITAL MSC333
CHARLESTON, SC 29425
Surgery
169 ASHLEY AVE, ROOM 202 MAIN HOSPITAL
CHARLESTON, SC 29425
Surgery
169 ASHLEY AVE
CHARLESTON, SC 29425
Surgery
169 ASHLEY AVE
CHARLESTON, SC 29425
Internal Medicine
169 ASHLEY AVE
CHARLESTON, SC 29425

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 Mcdermott's NPI number?

The NPI number for William Mcdermott is 1831485838. It was assigned to this individual provider in the NPPES registry on June 28, 2011.

Where is William Mcdermott located?

William Mcdermott practices at 169 Ashley Ave Room 202 Main Hospital, Msc 333, Charleston, SC 29425. The listed phone number is (843) 792-2731.

What is William Mcdermott's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Mcdermott enrolled in Medicare?

Yes. William Mcdermott 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 Mcdermott accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list William Mcdermott 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 Mcdermott affiliated with any hospitals?

According to CMS data, William Mcdermott is affiliated with Colleton Medical Center, Bon Secours-St Francis Xavier Hospital, Grand Strand Regional Medical Center, Roper Hospital and Mount Pleasant Hospital.

When was this NPI record last updated?

The NPPES record for William Mcdermott was last updated on January 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.