Doctor profile · Federal record

Dr. Ellen Maher, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Internal Medicine Physician · Pediatrics Physician · Charleston, SC

  • NPI 1447637038
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
171 Ashley Ave
Charleston, SC 294258908
(843) 792-1414
Additional location
110 Professional Park Drive
Oxford, NC 27565
(919) 693-6541
fax (919) 693-7396
Mailing address
Po Box 751461
Charlotte, NC 282751461

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
March 16, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
South Carolina #88889 · North Carolina #2019-01266

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447637038. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
152
Distinct HCPCS
4
Medicare allowed
$13,603
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 76 54 $88
99213 Established patient office or other outpatient visit, 20-29 minutes 33 31 $63
99204 New patient office or other outpatient visit, 45-59 minutes 30 30 $127
99203 New patient office or other outpatient visit, 30-44 minutes 13 13 $79

In context: peer comparison

Among 74 peers in Charleston Internal Medicine Physician, average services per provider: 177. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$25
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen INC. 1 $24.82

By nature of payment

Food and Beverage
$25

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
875
Patients
348
Total drug cost
$152,294
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 153 64 $2,490
Amlodipine Besylate Generic 79 29 $516
Gabapentin Generic 77 36 $1,933
Jardiance (Empagliflozin) Brand 62 23 $94,069
Levothyroxine Sodium Generic 59 22 $1,007
Losartan Potassium Generic 54 22 $676
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 53 19 $1,768
Metformin Hcl Generic 51 24 $448
Metoprolol Succinate Generic 51 24 $862
Omeprazole Generic 45 20 $847

Frequently asked questions

Auto-generated from federal data
What is Dr. Ellen Maher's medical specialty?
Dr. Ellen Maher practices Internal Medicine Physician in Charleston, SC.
Where does Dr. Ellen Maher practice?
Dr. Ellen Maher practices at 171 Ashley Ave, Charleston, SC 294258908. Office phone: 8437921414.
What is Dr. Ellen Maher's NPI?
Dr. Ellen Maher's National Provider Identifier (NPI) is 1447637038, issued by NPPES.
Does Dr. Ellen Maher accept Medicare assignment?
Yes. Dr. Ellen Maher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ellen Maher commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.