Doctor profile · Federal record

Dr. Margaret O'Shea, MD

Internal Medicine Physician (CMS: Internal Medicine) · Mineola, NY

  • NPI 1649620204
  • Accepts Medicare
  • MIPS 84.5 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
222 Station Plz N Ste 509
Mineola, NY 115013893
(516) 663-2381
fax (516) 663-8796
Mailing address
222 Station Plz N Ste 310
Mineola, NY 115013893

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
September 15, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #301885

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649620204. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
785
Distinct HCPCS
10
Medicare allowed
$97,227
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 249 152 $151
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 110 45 $92
99213 Established patient office or other outpatient visit, 20-29 minutes 93 73 $106
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 56 54 $18
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 51 51 $152
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 42 42 $195
G0008 Administration of influenza virus vaccine 40 40 $35
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 35 35 $75
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $198
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 23 20 $202

In context: peer comparison

Among 25 peers in this city , average services per provider: 91. This provider delivers 8.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,470
Patients
460
Total drug cost
$17,226
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 262 86 $3,428
Amlodipine Besylate Generic 218 70 $1,266
Levothyroxine Sodium Generic 126 36 $1,950
Gabapentin Generic 102 29 $1,659
Losartan Potassium Generic 102 31 $1,290
Pantoprazole Sodium Generic 90 27 $1,247
Metoprolol Succinate Generic 88 27 $1,365
Lisinopril Generic 67 21 $621
Hydrochlorothiazide Generic 66 23 $318
Omeprazole Generic 62 21 $884

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret O'Shea's medical specialty?
Dr. Margaret O'Shea practices Internal Medicine Physician in Mineola, NY.
Where does Dr. Margaret O'Shea practice?
Dr. Margaret O'Shea practices at 222 Station Plz N Ste 509, Mineola, NY 115013893. Office phone: 5166632381.
What is Dr. Margaret O'Shea's NPI?
Dr. Margaret O'Shea's National Provider Identifier (NPI) is 1649620204, issued by NPPES.
Does Dr. Margaret O'Shea accept Medicare assignment?
Yes. Dr. Margaret O'Shea accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret O'Shea 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.