Doctor profile · Federal record

Dr. Marianna Siksay

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Owatonna, MN

  • NPI 1780652420
  • Accepts Medicare
  • 33 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2200 Nw 26Th St
Owatonna, MN 550605503
(507) 451-1120
Mailing address
10790 Rancho Bernardo RD
San Diego, CA 921275705

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
April 13, 2017
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Wisconsin #48053 · Minnesota #50976

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780652420. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,331
Distinct HCPCS
10
Medicare allowed
$131,073
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 319 176 $137
99213 Established patient office or other outpatient visit, 20-29 minutes 137 103 $97
G0008 Administration of influenza virus vaccine 118 118 $33
99215 Established patient office or other outpatient visit, 40-54 minutes 117 85 $191
90662 Influenza vaccine split virus, preservative free 114 114 $72
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 98 98 $138
90480 Admn sarscov2 vacc 1 dose 97 97 $44
91322 Sarscov2 vac 50 mcg/0.5ml im 97 97 $143
0134A Adm sarscv2 bvl 50mcg/.5ml a 78 78 $44
91313 Sarscov2 vac bvl 50mcg/0.5ml 66 66 $0

In context: peer comparison

Among 11 peers in Owatonna Family Medicine Physician, average services per provider: 58. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$219
Transactions
10
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 5 $101.86
Abbvie INC. 4 $91.75
Lilly USA, LLC 1 $25.37

By nature of payment

Food and Beverage
$219

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,918
Patients
637
Total drug cost
$42,694
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 242 74 $4,917
Losartan Potassium Generic 213 77 $4,948
Atorvastatin Calcium Generic 198 72 $3,591
Amlodipine Besylate Generic 192 66 $2,740
Rosuvastatin Calcium Generic 132 50 $4,544
Omeprazole Generic 115 37 $2,377
Lisinopril Generic 106 35 $1,525
Alprazolam Generic 105 23 $742
Metformin Hcl ER (Metformin Hcl) Brand 101 36 $1,839
Alendronate Sodium Generic 93 31 $1,496

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marianna Siksay's medical specialty?
Dr. Marianna Siksay practices Family Medicine Physician in Owatonna, MN.
Where does Dr. Marianna Siksay practice?
Dr. Marianna Siksay practices at 2200 Nw 26Th St, Owatonna, MN 550605503. Office phone: 5074511120.
What is Dr. Marianna Siksay's NPI?
Dr. Marianna Siksay's National Provider Identifier (NPI) is 1780652420, issued by NPPES.
Does Dr. Marianna Siksay accept Medicare assignment?
Yes. Dr. Marianna Siksay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marianna Siksay commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.