Ellen Maher, M.D.
Internal Medicine Physician · Charleston, SC
Ellen Maher, M.D. is an internal medicine physician with a practice address in Charleston, South Carolina, and NPI 1447637038, issued on May 3, 2015. Check the license (South Carolina 88889, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ellen Maher
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 88889 SC
2019-01266 NC
Self-reported in NPPES; status is on the state search - Practice location
- 171 Ashley Ave, Charleston, SC 29425
- Phone
- (843) 792-1414
- Enumerated
- May 3, 2015
- Record last updated
- Mar 16, 2023
- Medicare enrollment
- Enrolled (PECOS I20221206003031); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 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 Ellen Maher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 88889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,771 Medicare Part D claims for 173 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Atorvastatin Calcium79 claims
- Levothyroxine Sodium52 claims
- Losartan Potassium51 claims
- Gabapentin46 claims
- Amlodipine Besylate43 claims
- Metformin Hcl Er43 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: $24.82
1 payment: food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
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).
Ellen Maher among 1,881 internal medicine physician records in South Carolina
Ellen Maher, M.D. 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 2015, is newer than 61% of them.
- NPI issued2015 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2015 · median 2006 among the 1,119 with a school on file
- Record last updated2023 · 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).
427 internal medicine physician records list a practice address in Charleston
They are 427 of the 10,840 NPPES records with a practice address in Charleston, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Charleston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sujeev Bains, MDCharleston, SC 294251609889989
- Elisha Brownfield, MDCharleston, SC 294251639287683
- Ernest Clyburn, MDCharleston, SC 294251235247271
- Kimberly Davis, MDCharleston, SC 294251366550311
- John Feussner, MDCharleston, SC 294251689782534
- Jennifer Goldstein, MDCharleston, SC 294251164472593
- Robert Ishak, M.D.Charleston, SC 294251295727790
- Brad Keith, MDCharleston, SC 294251578671442
Common questions
What is Ellen Maher, M.D.'s NPI number?
Ellen Maher, M.D.'s National Provider Identifier (NPI) is 1447637038, issued on May 3, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Maher, 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 Ellen Maher, M.D.'s license?
NPPES lists South Carolina license number 88889, 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 Ellen Maher, M.D. prescribe under Medicare Part D?
In 2024, Ellen Maher, M.D. had 1,771 Medicare Part D claims for 173 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.