Doctor profile · Federal record

Dr. Esther Oh, M.D.

Geriatric Medicine (Internal Medicine) Physician (CMS: Geriatric Medicine) · Baltimore, MD

  • NPI 1598719080
  • MIPS 74.4 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4940 Eastern Ave
Baltimore, MD 212242735
(410) 550-0925
Mailing address
6201 Greenleigh Ave
Middle River, MD 212202004

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 7, 2023
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Maryland #D60628
Medicaid
MD #408253200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598719080. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
258
Distinct HCPCS
6
Medicare allowed
$30,312
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 130 97 $103
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 37 21 $84
99205 New patient office or other outpatient visit, 60-74 minutes 35 35 $192
99214 Established patient office or other outpatient visit, 30-39 minutes 31 24 $103
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 13 13 $184
99239 Hospital discharge day management, more than 30 minutes 12 12 $122

In context: peer comparison

Among 23 peers in Baltimore Geriatric Medicine (Internal Medicine) Physician, average services per provider: 97. This provider delivers 2.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
233
Patients
52
Total drug cost
$12,750
Drug Type Claims Patients Total cost
Sertraline Hcl Generic 50 16 $785
Donepezil Hcl Generic 34 13 $543
Escitalopram Oxalate Generic 32 11 $484
Memantine Hcl Generic 31 12 $1,415
Trazodone Hcl Generic 20 0 $229
Lorazepam Generic 14 0 $272
Mirtazapine Generic 14 0 $783
Rivastigmine Generic 14 0 $7,276
Olanzapine Generic 13 0 $456
Risperidone Generic 11 0 $507

Frequently asked questions

Auto-generated from federal data
What is Dr. Esther Oh's medical specialty?
Dr. Esther Oh practices Geriatric Medicine (Internal Medicine) Physician in Baltimore, MD.
Where does Dr. Esther Oh practice?
Dr. Esther Oh practices at 4940 Eastern Ave, Baltimore, MD 212242735. Office phone: 4105500925.
What is Dr. Esther Oh's NPI?
Dr. Esther Oh's National Provider Identifier (NPI) is 1598719080, issued by NPPES.
Does Dr. Esther Oh accept Medicare assignment?
Dr. Esther Oh does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Esther Oh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.