Pinckney Johnstone Maxwell, MD
Colon & Rectal Surgery Physician · Charleston, SC
Pinckney Johnstone Maxwell, MD is a colon & rectal surgery physician with a practice address in Charleston, South Carolina, and NPI 1306952221, issued on Aug 22, 2006. Check the license on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Pinckney Johnstone Maxwell
- Credential
- MD
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License numbers
- MD433246 PA
025237 LA
Self-reported in NPPES; status is on the state search - Practice location
- 171 Ashley Ave, Charleston, SC 29425
- Phone
- (843) 792-1414
- Enumerated
- Aug 22, 2006
- Record last updated
- Oct 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid IDs
- 102200676 0001 PA
0172740 NJ - Medicare enrollment
- Enrolled (PECOS I20111006000783); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 38 in South Carolina → Look up another NPI →
Also registered at 171 Ashley Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Pinckney Johnstone Maxwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
128 Medicare Part D claims for 104 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Gavilyte-G56 claims
- Gavilyte-C18 claims
- Peg-3350 And Electrolytes14 claims
- Imiquimod13 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
- University Medical Associates OF The Medical University OF South CarolCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pinckney Johnstone Maxwell among 38 colon & rectal surgery physician records in South Carolina
Pinckney Johnstone Maxwell, MD is one of 38 colon & rectal surgery physician records with a practice address in South Carolina. 87% 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 18% of them.
- NPI issued2006 · 18% of these records are older, 45% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2000 · median 2001 among the 31 with a school on file
- Record last updated2020 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in South Carolina
There are 38 colon & rectal surgery physician records in South Carolina.
All 38 in South Carolina → Every provider in Charleston → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Thomas Curran, MD, MPHCharleston, SC 294251205147022
- Cyrus FeizpourCharleston, SC 294251932637287
- Anthony Firilas, M.D.Charleston, SC 294031447343066
- Jorge Lagares-Garcia, M.D.Charleston, SC 294031609843135
- Brendan Murphy, MDMt Pleasant, SC 294641942228127
- Susan Knoche, M.D.Summerville, SC 294851306013321
- Gabriel Chedister, M.D.Summerville, SC 294861548604275
- Anna Matrachisia, M.D.Summerville, SC 294861407203300
Common questions
What is Pinckney Johnstone Maxwell, MD's NPI number?
Pinckney Johnstone Maxwell, MD's National Provider Identifier (NPI) is 1306952221, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Pinckney Johnstone Maxwell, MD located?
The NPPES record lists a practice address at 171 Ashley Ave, Charleston, SC, 29425. Phone: (843) 792-1414. Providers update this record themselves, so call before visiting.
How can I verify Pinckney Johnstone Maxwell, MD's license?
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 Pinckney Johnstone Maxwell, MD prescribe under Medicare Part D?
In 2024, Pinckney Johnstone Maxwell, MD had 128 Medicare Part D claims for 104 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. 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.