Provider Profile
Mary Ann B. Mason, NP
Unclaimed ProfileAbout Mary Ann Mason
Mary Ann B. Mason, NP is a nurse practitioner based in Durham, NC. Mary Ann is a 1996 graduate of Duke University School of Medicine. According to Medicare claims data, Mary Ann cared for 175 Medicare patients across 175 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1538223292.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (919) 684-8111
- Email not available
Practice Locations
4101 N ROXBORO ST
Durham, NC 27704
Procedures Most Often Billed to Medicare
175 services · 175 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
74 | As often as other peers in Nurse Practitioner |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
58 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
23 | Less often than most peers in Nurse Practitioner |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
20 | As often as other peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other nurse practitioners in Durham 8
Same specialty, same city.
Trained at Duke University School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Duke University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Mary Ann B. Mason specialize in?
Mary Ann B. Mason is a nurse practitioner in Durham, NC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary Ann B. Mason located?
Mary Ann B. Mason is listed at 4101 N Roxboro St, Durham, NC 27704. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary Ann B. Mason's phone number?
The number on file is (919) 684-8111. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mary Ann B. Mason's NPI number?
Mary Ann B. Mason's National Provider Identifier is 1538223292. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mary Ann B. Mason train?
Mary Ann B. Mason attended Duke University School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary Ann B. Mason been practicing?
Mary Ann B. Mason has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does Mary Ann B. Mason do most often?
According to Medicare billing data, Mary Ann B. Mason the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary Ann B. Mason confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Ann B. Mason. If this is you, claiming it is free.
Guide.md
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