Doctor profile · Federal record
Dr. Mary Ann Mason, NP
Nurse Practitioner · Durham, NC
- NPI 1538223292
- Accepts Medicare
- 30 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4101 N Roxboro St
Durham, NC 277042121
(919) 684-8111
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- April 19, 2022
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- North Carolina #900157
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538223292. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
191
Distinct HCPCS
4
Medicare allowed
$15,492
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 72 | 71 | $78 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 57 | 57 | $108 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 32 | 32 | $67 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 30 | 30 | $53 |
In context: peer comparison
Among 45 peers in Durham Nurse Practitioner, average services per provider: 73. This provider delivers 2.6× the peer median.Frequently asked questions
What is Dr. Mary Ann Mason's medical specialty?
Dr. Mary Ann Mason practices Nurse Practitioner in Durham, NC.
Where does Dr. Mary Ann Mason practice?
Dr. Mary Ann Mason practices at 4101 N Roxboro St, Durham, NC 277042121. Office phone: 9196848111.
What is Dr. Mary Ann Mason's NPI?
Dr. Mary Ann Mason's National Provider Identifier (NPI) is 1538223292, issued by NPPES.
Does Dr. Mary Ann Mason accept Medicare assignment?
Yes. Dr. Mary Ann Mason accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Ann Mason commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.