Theressa Miller, FNP-C
NPI 1023767340 · Family Nurse Practitioner · Litchfield Park, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theressa Miller, FNP-C is a Family Nurse Practitioner provider in Litchfield Park, AZ (NPI 1023767340).
Provider details
- NPI number
- 1023767340
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 269732 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
346 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 81 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 60 | $75 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 50 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 47 | $138 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 38 | $41 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 60 | 59 |
| Cephalexin | 42 | 42 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 41 | 41 |
| Azithromycin | 30 | 30 |
| Prednisone | 29 | 29 |
| Amoxicillin | 27 | 26 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 20 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-23
- Last updated
- 2022-03-23
- Certified
- 2022-03-23
Frequently asked questions
- What is Theressa Miller's NPI number?
- Theressa Miller's National Provider Identifier (NPI) is 1023767340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theressa Miller's specialty?
- Theressa Miller is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Theressa Miller located?
- Theressa Miller's practice location on file with NPPES is 12513 W Reade Ave, Litchfield Park, AZ 85340-4124.
- What is Theressa Miller's phone number?
- The practice phone number listed in the NPPES registry for Theressa Miller is (480) 294-2058.
- Does Theressa Miller accept Medicare?
- Theressa Miller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theressa Miller's NPI active?
- Yes — Theressa Miller's NPI (1023767340) is active in the NPPES registry as of the last update on 2022-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.