Doctor profile · Federal record
Dr. Mary Drennen, APN
Family Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Northfield, NJ
- NPI 1538103437
- Accepts Medicare
- 29 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1418 New RD Ste 1C
Northfield, NJ 082251179
(609) 699-5750
fax (609) 699-5752 - Mailing address
-
2106 New RD Ste F1
Linwood, NJ 082211053
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 26, 2026
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- New Jersey #26NN05109500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538103437. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
904
Distinct HCPCS
8
Medicare allowed
$77,783
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 402 | 185 | $67 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 350 | 185 | $95 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 43 | 40 | $137 | |
99316 |
Nursing facility discharge management, more than 30 minutes | 31 | 30 | $117 | |
99315 |
Nursing facility discharge day management, 30 minutes or less | 26 | 25 | $73 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 22 | 20 | $162 | |
99497 |
Advance care planning, first 30 minutes | 18 | 18 | $67 | |
99305 |
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 12 | 12 | $119 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 83. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$16
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $15.99 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
286
Patients
156
Total drug cost
$14,427
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 48 | 18 | $1,255 |
| Levothyroxine Sodium | Generic | 26 | 13 | $414 |
| Oxycodone Hcl | Generic | 24 | 23 | $177 |
| Atorvastatin Calcium | Generic | 21 | 20 | $176 |
| Furosemide | Generic | 21 | 16 | $105 |
| Potassium Chloride | Generic | 20 | 0 | $458 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 18 | 0 | $2,481 |
| Pantoprazole Sodium | Generic | 16 | 15 | $134 |
| Tramadol Hcl | Generic | 16 | 13 | $77 |
| Eliquis (Apixaban) | Brand | 14 | 12 | $7,316 |
Frequently asked questions
What is Dr. Mary Drennen's medical specialty?
Dr. Mary Drennen practices Family Nurse Practitioner in Northfield, NJ.
Where does Dr. Mary Drennen practice?
Dr. Mary Drennen practices at 1418 New RD Ste 1C, Northfield, NJ 082251179. Office phone: 6096995750.
What is Dr. Mary Drennen's NPI?
Dr. Mary Drennen's National Provider Identifier (NPI) is 1538103437, issued by NPPES.
Does Dr. Mary Drennen accept Medicare assignment?
Yes. Dr. Mary Drennen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Drennen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310). Source: CMS Medicare Physician & Other Practitioners file.