Are you Dianna E. Marrero, FNP-C? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1111 S 2Nd Ave, Walla Walla, WA 99362
About Dianna Marrero
Dianna E. Marrero, FNP-C is a nurse practitioner — family based in Walla Walla, WA. Medicare claims data shows Dianna provided 170 services to 152 patients. 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, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. The provider's National Provider Identifier (NPI) is 1790547693.
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
- (509) 897-3700
- Email not available
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Practice Locations
1111 S 2ND AVE
Walla Walla, WA 99362
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
Diagnostic screening
Evaluation & Testing
Hormones & endocrine
Injury care
Lab tests
- COVID-19 testing
- Cholesterol screening
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Mental health
Minor procedures
- Burn and Wound Care
- Superficial foreign-body removal
- Incision and drainage of an abscess
- Ingrown toenail removal
Minor surgery
Physical exams
Prescriptions
Preventative care
Preventative exams
Sexual health
Skin procedures
Sleep
Urgent care
Weight management
Women's health
- IUD insertion and removal
- Pregnancy Confirmation Test
- Birth control counseling
- Contraceptive implant insertion and removal
- Pap smear
- Well-woman exam
Most searched procedures
Allergies
Diagnostic tests
Ear, nose & throat
- Earwax removal
Heart health
- EKG
Injections
Lifestyle counseling
Neurological care
Occupational health
Pain management
Respiratory care
Screenings
Procedures Most Often Billed to Medicare
170 services · 152 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine, inactivated | Treatment | 90653 |
13 | Less often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
54 | As often as other peers in Nurse Practitioner, Family |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
39 | As often as other peers in Nurse Practitioner, Family |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
26 | As often as other peers in Nurse Practitioner, Family |
| Administration of influenza virus vaccine | Billing code | G0008 |
15 | Less often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
12 | Less often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
11 | Less often than most peers in Nurse Practitioner, Family |
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 5
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 — 31 related providers in 4 groups
Other nurse practitioners in Walla Walla 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2023 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, inactivated 8
Providers in WA who bill this service to Medicare most often.
Common questions
What is Dianna E. Marrero's specialty?
Dianna E. Marrero is a nurse practitioner in Walla Walla, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where can I find Dianna E. Marrero?
Dianna E. Marrero is listed at 1111 S 2Nd Ave, Walla Walla, WA 99362. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dianna E. Marrero?
The number on file is (509) 897-3700. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dianna E. Marrero?
Dianna E. Marrero's National Provider Identifier is 1790547693. 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
What is Dianna E. Marrero's education?
Dianna E. Marrero attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dianna E. Marrero have?
Dianna E. Marrero has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What is Dianna E. Marrero known for?
According to Medicare billing data, Dianna E. Marrero provides treatments such as influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dianna E. Marrero's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dianna E. Marrero. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.