Doctor profile · Federal record
Dr. Mary Brennan, M.D.
Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Physical Medicine & Rehabilitation Physician · Hospitalist Physician · Crownsville, MD
- NPI 1952468670
- Accepts Medicare
- 33 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1454 Fairfield Loop RD
Crownsville, MD 210322006
(410) 987-6338 - Additional location
-
2121 Juan Tabo Blvd Ne
Albuquerque, NM 87112
(505) 237-8800
fax (505) 237-8801 - Additional location
-
4701 Montgomery Blvd Ne
Albuquerque, NM 871091219
(505) 727-8360
fax (505) 727-8768 - Mailing address
-
Po Box 26028
Albuquerque, NM 871256028
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- February 9, 2023
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State licenses (2)
- Maryland #D0095712 · New Mexico #94-199
- Medicaid
- NM #J2527
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952468670. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,282
Distinct HCPCS
10
Medicare allowed
$164,033
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 344 | 198 | $86 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 264 | 235 | $191 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 252 | 140 | $112 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 172 | 169 | $143 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 146 | 92 | $112 | |
99497 |
Advance care planning, first 30 minutes | 28 | 28 | $79 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 24 | 24 | $166 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 21 | 20 | $191 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 18 | 17 | $161 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 13 | 13 | $128 |
In context: peer comparison
Among 2 peers in Crownsville Family Medicine Physician, average services per provider: 104. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$21
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 1 | $20.60 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
457
Patients
13
Total drug cost
$25,480
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 55 | 13 | $1,305 |
| Amlodipine Besylate | Generic | 46 | 0 | $849 |
| Metoprolol Tartrate | Generic | 41 | 0 | $603 |
| Lisinopril | Generic | 36 | 0 | $533 |
| Gabapentin | Generic | 33 | 0 | $777 |
| Mirtazapine | Generic | 28 | 0 | $575 |
| Myrbetriq (Mirabegron) | Brand | 28 | 0 | $8,962 |
| Basaglar Kwikpen U-100 (Insulin Glargine,Hum.Rec.Anlog) | Brand | 27 | 0 | $2,684 |
| Sertraline Hcl | Generic | 26 | 0 | $1,670 |
| Eliquis (Apixaban) | Brand | 25 | 0 | $5,478 |
Frequently asked questions
What is Dr. Mary Brennan's medical specialty?
Dr. Mary Brennan practices Family Medicine Physician in Crownsville, MD.
Where does Dr. Mary Brennan practice?
Dr. Mary Brennan practices at 1454 Fairfield Loop RD, Crownsville, MD 210322006. Office phone: 4109876338.
What is Dr. Mary Brennan's NPI?
Dr. Mary Brennan's National Provider Identifier (NPI) is 1952468670, issued by NPPES.
Does Dr. Mary Brennan accept Medicare assignment?
Yes. Dr. Mary Brennan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Brennan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial nursing facility care with high level of medical decision making (HCPCS 99306); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.