Doctor profile · Federal record

Dr. Mary Denny, M.D., M.P.H.

Neurology Physician (CMS: Neurology) · Vascular Neurology Physician · Houston, TX

  • NPI 1558688994
  • Accepts Medicare
  • MIPS 75.7 / 100 · 2023
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6410 Fannin St, Suite 1014
Houston, TX 770303000
(832) 325-7080
Mailing address
6431 Fannin St, Msb 7.119
Houston, TX 770301501

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
April 23, 2016
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Texas #Q1129

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558688994. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
374
Distinct HCPCS
6
Medicare allowed
$55,051
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 101 70 $200
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 97 49 $130
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 91 39 $35
99291 Critical care, first 30-74 minutes 41 24 $232
99205 New patient office or other outpatient visit, 60-74 minutes 24 24 $237
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $189

In context: peer comparison

Among 79 peers in Houston Neurology Physician, average services per provider: 372. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $33.67

By nature of payment

Food and Beverage
$34

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
200
Patients
31
Total drug cost
$62,399
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 52 13 $59,414
Atorvastatin Calcium Generic 47 18 $555
Rosuvastatin Calcium Generic 22 0 $1,073
Clopidogrel (Clopidogrel Bisulfate) Brand 20 0 $285
Gabapentin Generic 17 0 $477
Amlodipine Besylate Generic 14 0 $103
Escitalopram Oxalate Generic 14 0 $267
Lamotrigine Generic 14 0 $226

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Denny's medical specialty?
Dr. Mary Denny practices Neurology Physician in Houston, TX.
Where does Dr. Mary Denny practice?
Dr. Mary Denny practices at 6410 Fannin St, Houston, TX 770303000. Office phone: 8323257080.
What is Dr. Mary Denny's NPI?
Dr. Mary Denny's National Provider Identifier (NPI) is 1558688994, issued by NPPES.
Does Dr. Mary Denny accept Medicare assignment?
Yes. Dr. Mary Denny accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Denny commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212). Source: CMS Medicare Physician & Other Practitioners file.