John Baldwin Cox, M.D.
Pulmonary Disease Physician · Charleston, SC
John Baldwin Cox, M.D. is a pulmonary disease physician with a practice address in Charleston, South Carolina, and NPI 1578526570, issued on Apr 10, 2006. Check the license (South Carolina 38961, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Baldwin Cox
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 38961 SC
MD031520E PA
Self-reported in NPPES; status is on the state search - Practice location
- 171 Ashley Ave, Charleston, SC 29425
- Phone
- (843) 792-1414
- Enumerated
- Apr 10, 2006
- Record last updated
- Dec 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 202 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 John Baldwin Cox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 38961Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
316 Medicare Part D claims for 151 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 72% of claims.
Most prescribed
- Trelegy Ellipta48 claims
- Albuterol Sulfate Hfa29 claims
- Breo Ellipta25 claims
- Montelukast Sodium24 claims
- Dupixent Pen20 claims
- Azithromycin19 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.
Industry payments in 2024: $3,122.18
3 payments; by number, the most common kind was travel and lodging; the largest payer was Genzyme Corporation. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Baldwin Cox among 202 pulmonary disease physician records in South Carolina
John Baldwin Cox, M.D. is one of 202 pulmonary disease physician records with a practice address in South Carolina. 85% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 53% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 75% of these records are
- Record last updated2015 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in South Carolina
There are 202 pulmonary disease physician records in South Carolina.
All 202 in South Carolina → Every provider in Charleston → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Peter Doelken, MDCharleston, SC 294251922102706
- Patrick Flume, MDCharleston, SC 294251013011899
- Michael Frye, MDCharleston, SC 294251609973494
- John Huggins, MDCharleston, SC 294251447294905
- Walter James, M.D.Charleston, SC 294251093912545
- Robert Miller, M.D.Charleston, SC 294251710980453
- Jeremy Richards, M.D.Charleston, SC 294251831123595
- Richard Rissmiller, MDCharleston, SC 294251427073949
Common questions
What is John Baldwin Cox, M.D.'s NPI number?
John Baldwin Cox, M.D.'s National Provider Identifier (NPI) is 1578526570, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Baldwin Cox, M.D. 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 John Baldwin Cox, M.D.'s license?
NPPES lists South Carolina license number 38961, 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 Baldwin Cox, M.D. prescribe under Medicare Part D?
In 2024, John Baldwin Cox, M.D. had 316 Medicare Part D claims for 151 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.