Doctor profile · Federal record

Dr. Maureen Fennell, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Rockville, MD

  • NPI 1750343075
  • Accepts Medicare
  • MIPS 86.8 / 100 · 2023
  • 35 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15005 Shady Grove RD, Suite 340
Rockville, MD 208506340
(240) 238-3760
fax (240) 238-3765

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
January 17, 2014
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Maryland #D0044928
Medicaid
MD #699545401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750343075. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,199
Distinct HCPCS
10
Medicare allowed
$224,874
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 1,432 1,105 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 501 368 $145
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 432 367 $17
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 187 184 $230
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99 71 $88
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 73 73 $75
99204 New patient office or other outpatient visit, 45-59 minutes 63 63 $190
99215 Established patient office or other outpatient visit, 40-54 minutes 58 51 $204
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 53 53 $145
93248 Heart rhythm review and interpretation of continous external ekg over 8-15 days 41 41 $28

In context: peer comparison

Among 10 peers in this city , average services per provider: 251. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,544
Patients
538
Total drug cost
$179,539
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 229 71 $2,458
Metoprolol Succinate Generic 209 78 $5,115
Atorvastatin Calcium Generic 159 62 $2,892
Carvedilol Generic 113 35 $1,347
Spironolactone Generic 110 33 $1,019
Eliquis (Apixaban) Brand 91 37 $151,569
Irbesartan Generic 88 23 $2,047
Valsartan Generic 86 31 $3,102
Lisinopril Generic 78 27 $780
Rosuvastatin Calcium Generic 75 29 $2,034

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maureen Fennell's medical specialty?
Dr. Maureen Fennell practices Cardiovascular Disease Physician in Rockville, MD.
Where does Dr. Maureen Fennell practice?
Dr. Maureen Fennell practices at 15005 Shady Grove RD, Rockville, MD 208506340. Office phone: 2402383760.
What is Dr. Maureen Fennell's NPI?
Dr. Maureen Fennell's National Provider Identifier (NPI) is 1750343075, issued by NPPES.
Does Dr. Maureen Fennell accept Medicare assignment?
Yes. Dr. Maureen Fennell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maureen Fennell commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.