Provider Profile
Mary E. Lopez, FNP
Unclaimed ProfileAbout Mary Lopez
Mary E. Lopez, FNP is a nurse practitioner practicing in Gilbert, AZ. Medicare claims data shows Mary provided 115 services to 112 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (480) 256-6444
- Email not available
Practice Locations
2946 E BANNER GATEWAY DR
Gilbert, AZ 85234
2901 W Kinnickinnic River Pkwy
Milwaukee, WI 53215
Procedures Most Often Billed to Medicare
115 services · 112 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
51 | More often than most peers in Nurse Practitioner |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
27 | More often than most peers in Nurse Practitioner |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
19 | 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 |
18 | 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 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 24 related providers in 3 groups
Other nurse practitioners in Gilbert 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Mary E. Lopez specialize in?
Mary E. Lopez is a nurse practitioner in Gilbert, AZ. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary E. Lopez located?
Mary E. Lopez is listed at 2946 E Banner Gateway Dr, Gilbert, AZ 85234. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary E. Lopez's phone number?
The number on file is (480) 256-6444. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Mary E. Lopez?
Mary E. Lopez's National Provider Identifier is 1326468463. 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 E. Lopez train?
Mary E. Lopez attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mary E. Lopez have?
Mary E. Lopez has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Mary E. Lopez do most often?
According to Medicare billing data, Mary E. Lopez 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
Is Mary E. Lopez's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mary E. Lopez. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.