Michael L. Willoughby, M.D.
Hospice and Palliative Medicine (Internal Medicine) Physician · Charleston, SC
Michael L. Willoughby, M.D. is a hospice and palliative medicine (internal medicine) physician with a practice address in Charleston, South Carolina, and NPI 1295789733, issued on May 20, 2006. Check the license (South Carolina 39016, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael L. Willoughby
- Credential
- M.D.
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
- License numbers
- 39016 SC
021612 GA
Self-reported in NPPES; status is on the state search - Practice location
- 316 Calhoun St, Charleston, SC 29401
- Phone
- (843) 606-7810
- Enumerated
- May 20, 2006
- Record last updated
- Jan 31, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (843) 606-8088
- Medicaid ID
- G21612 SC
- Medicare enrollment
- Enrolled (PECOS I20160307000021); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 1976
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (internal medicine) physician records → All 35 in South Carolina → Look up another NPI →
Also registered at 316 Calhoun St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Taylor AdamPhysician Assistant1902576929
- Mary Ann Adiong, RNRegistered Nurse1396694287
- Elizabeth Alvarez, NPCritical Care Medicine Nurse Practitioner1295288421
- Andrew Anderson, M.D.Diagnostic Radiology Physician1073729711
- Selena Anderson, FNPFamily Nurse Practitioner1346737673
- Claire Andrew, MS, RDRegistered Dietitian1134970049
Verify Michael L. Willoughby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 39016Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Roper Saint Francis Physicians NetworkCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael L. Willoughby among 35 hospice and palliative medicine (internal medicine) physician records in South Carolina
Michael L. Willoughby, M.D. is one of 35 hospice and palliative medicine (internal medicine) physician records with a practice address in South Carolina. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1976 · median 2009 among the 25 with a school on file
- Record last updated2019 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospice and Palliative Medicine (Internal Medicine) Physician providers in South Carolina
There are 35 hospice and palliative medicine (internal medicine) physician records in South Carolina.
All 35 in South Carolina → Every provider in Charleston → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →
The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes
- Angus Baker, M.D.Charleston, SC 294011215940754
- Ilana Stol, M.D.Charleston, SC 294011760894893
- Beth Wolf, M.D.Charleston, SC 294011972560191
- Christopher Cauto, M.D.Charleston, SC 294141669868881
- Robert Lake, MDCharleston, SC 294141487696019
- Carley Mills, M.D.Charleston, SC 294141124431663
- Joseph Ritchie, M.D.Charleston, SC 294141417360942
- Anup Bhushan, MDCharleston, SC 294251598972721
Common questions
What is Michael L. Willoughby, M.D.'s NPI number?
Michael L. Willoughby, M.D.'s National Provider Identifier (NPI) is 1295789733, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael L. Willoughby, M.D. located?
The NPPES record lists a practice address at 316 Calhoun St, Charleston, SC, 29401. Phone: (843) 606-7810. Providers update this record themselves, so call before visiting.
How can I verify Michael L. Willoughby, M.D.'s license?
NPPES lists South Carolina license number 39016, 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.
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.