John W. McDonald, MD
Internal Medicine Physician · Mt Pleasant, SC
John W. McDonald, MD is an internal medicine physician with a practice address in Mt Pleasant, South Carolina, and NPI 1053376848, issued on Apr 18, 2006. Check the license (South Carolina 18903, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John W. McDonald
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 18903 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1208 Two Island CT, Mt Pleasant, SC 29466
- Phone
- (843) 884-6653
- Enumerated
- Apr 18, 2006
- Record last updated
- Oct 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- T25675 SC
- Medicare enrollment
- Enrolled (PECOS I20040203000662); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 1208 Two Island CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rica Santiago, M.DInternal Medicine Physician1457509200
Verify John W. McDonald in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 18903Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,616 Medicare Part D claims for 128 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 38 claims were for opioids.
Most prescribed
- Atorvastatin Calcium95 claims
- Rosuvastatin Calcium82 claims
- Levothyroxine Sodium65 claims
- Metformin Hcl Er60 claims
- Omeprazole56 claims
- Losartan Potassium45 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.
Bills Medicare through one group practice
- Carolina Family Care IncMt Pleasant, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John W. McDonald among 1,881 internal medicine physician records in South Carolina
John W. McDonald, MD is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1992 · median 2006 among the 1,119 with a school on file
- Record last updated2020 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 internal medicine physician records list a practice address in Mt Pleasant
They are 17 of the 1,043 NPPES records with a practice address in Mt Pleasant, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Mt Pleasant → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Bigelow, M.D.Mount Pleasant, SC 294661821386145
- Cara Ferguson, M.D.Mount Pleasant, SC 294661215950951
- Kristi Lentsch, M.D.Mount Pleasant, SC 294661699836114
- Rex Morgan, MDMt Pleasant, SC 294661992771000
- Stephen Murk, M.D.Mt Pleasant, SC 294661952319238
- Rica Santiago, M.DMt Pleasant, SC 294661457509200
- Francis Tunney, MDMount Pleasant, SC 294661134237183
- Richard Ulmer, MDMt Pleasant, SC 294661922185198
Common questions
What is John W. McDonald, MD's NPI number?
John W. McDonald, MD's National Provider Identifier (NPI) is 1053376848, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John W. McDonald, MD located?
The NPPES record lists a practice address at 1208 Two Island CT, Mt Pleasant, SC, 29466. Phone: (843) 884-6653. Providers update this record themselves, so call before visiting.
How can I verify John W. McDonald, MD's license?
NPPES lists South Carolina license number 18903, 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 John W. McDonald, MD prescribe under Medicare Part D?
In 2024, John W. McDonald, MD had 1,616 Medicare Part D claims for 128 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.