Marianna Siksay
NPI 1780652420 · Family Medicine Physician · Owatonna, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianna Siksay is a Family Medicine Physician provider in Owatonna, MN (NPI 1780652420).
Provider details
- NPI number
- 1780652420
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 48053 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,441 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 408 | $137 |
| Administration of Influenza Virus VaccineG0008 | 331 | $35 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 173 | $192 |
| Admn Sarscov2 Vacc 1 Dose90480 | 150 | $46 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 127 | $97 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 107 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 84 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 217 | 70 |
| Atorvastatin Calcium | 212 | 66 |
| Rosuvastatin Calcium | 209 | 69 |
| Losartan Potassium | 200 | 65 |
| Amlodipine Besylate | 157 | 54 |
| Valsartan | 112 | 37 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$219 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-09
- Last updated
- 2017-04-13
Frequently asked questions
- What is Marianna Siksay's NPI number?
- Marianna Siksay's National Provider Identifier (NPI) is 1780652420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianna Siksay's specialty?
- Marianna Siksay is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marianna Siksay located?
- Marianna Siksay's practice location on file with NPPES is 2200 Nw 26th St, Owatonna, MN 55060-5503.
- What is Marianna Siksay's phone number?
- The practice phone number listed in the NPPES registry for Marianna Siksay is (507) 451-1120.
- Does Marianna Siksay accept Medicare?
- Marianna Siksay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianna Siksay's NPI active?
- Yes — Marianna Siksay's NPI (1780652420) is active in the NPPES registry as of the last update on 2017-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.