Alexandra Theis, RN, MSN, FNP-C
NPI 1497346241 · Family Nurse Practitioner · Saint Johns, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Theis, RN, MSN, FNP-C is a Family Nurse Practitioner provider in Saint Johns, MI (NPI 1497346241).
Provider details
- NPI number
- 1497346241
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, MSN, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 4704329980 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
217 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 | 153 | $103 |
| Automated Urinalysis Test81003 | 29 | $2 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 23 | $66 |
| X-Ray of Chest, 2 Views71046 | 12 | $26 |
Typical Medicare-allowed amounts for these services range $2–$103 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 133 | 129 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 85 | 83 |
| Azithromycin | 76 | 72 |
| Cephalexin | 56 | 54 |
| Doxycycline Monohydrate | 34 | 33 |
| Amoxicillin | 31 | 29 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 27 | 21 |
Practice location
Mailing address
Additional practice locations (1)
- 1200 Springview DrFlushing, MI 48433-1490Phone: (989) 307-9309
Registry dates
- Enumerated
- 2021-02-02
- Last updated
- 2022-03-30
- Certified
- 2021-08-04
Frequently asked questions
- What is Alexandra Theis's NPI number?
- Alexandra Theis's National Provider Identifier (NPI) is 1497346241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Theis's specialty?
- Alexandra Theis is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexandra Theis located?
- Alexandra Theis's practice location on file with NPPES is 1005 S US Highway 27 Ste 100, Saint Johns, MI 48879-2423.
- What is Alexandra Theis's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Theis is (989) 224-3000.
- Does Alexandra Theis accept Medicare?
- Alexandra Theis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Theis's NPI active?
- Yes — Alexandra Theis's NPI (1497346241) is active in the NPPES registry as of the last update on 2022-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.