DR. ANDREA MARIANI M.D.
NPI 1124204946
Obstetrics & Gynecology - Gynecologic Oncology in Rochester, MN

Active since January 10, 2008PECOS EnrolledAccepts Medicare Assignment
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: February 27, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 18, 2020, Apr 29, 2019 (2 updates tracked since 2019).

About Dr. Andrea Mariani M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANDREA MARIANI M.D. (NPI 1124204946) is an individual gynecologic oncology provider in Rochester, Minnesota, licensed in Minnesota (49429) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1124204946
Entity TypeIndividualMale
Primary Taxonomy207VX0201X
Provider Legal NameDR. ANDREA MARIANICredential: M.D.
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateJanuary 10, 2008
Last NPPES UpdateFebruary 27, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 27, 2026
NPI 1124204946 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
Licenses Licensed in MN · 49429 Licensed in AZ · 37765
Definition

An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.

200 1ST ST SW, Rochester, MN 55905

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Andrea Mariani M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022190131
PECOS Enrollment IDI20080403000426
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
28 services28 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
16 services16 patients
Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less 58571
This procedure involves the removal of certain internal structures through small incisions in the abdomen, using a special tool called an endoscope. It's performed when these structures are causing health issues. The weight reference (250.0 g or less) relates to the size of the structures being removed.
15 services15 patients
Biopsy and removal of lymph nodes of abdominal cavity using an endoscope 38570
This procedure involves using a thin, flexible tool called an endoscope to examine and remove lymph nodes in the abdominal area. The endoscope is inserted through a small incision. It allows doctors to view and biopsy, or take samples of, any suspicious tissues for further testing.
14 services14 patients
Imaging of lymph nodes during surgery 38900
Imaging of lymph nodes during surgery involves taking detailed pictures of your lymph nodes to help surgeons see and assess them in real-time. This procedure can aid in detecting disease, guiding treatment, and improving surgical precision.
13 services13 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$168.28 typical visit price
range $56.00 – $168.28
Typical copayment $42.07 (range $14.00 – $42.07)
Most-billed visit code 99205
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
200 1ST ST SW
ROCHESTER, MN 55905
Pathology (Clinical Pathology/Laboratory Medicine)
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Optometrist
200 1ST ST SW
ROCHESTER, MN 55905
Psychologist
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Anesthetist, Certified Registered
200 1ST ST SW
ROCHESTER, MN 55905
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 1ST ST SW
ROCHESTER, MN 55905

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andrea Mariani's NPI number?

The NPI number for Andrea Mariani is 1124204946. It was assigned to this individual provider in the NPPES registry on January 10, 2008.

Where is Andrea Mariani located?

Andrea Mariani practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is Andrea Mariani's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Andrea Mariani enrolled in Medicare?

Yes. Andrea Mariani is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Andrea Mariani accept?

Health plans from Medica list Andrea Mariani as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Andrea Mariani affiliated with any hospitals?

According to CMS data, Andrea Mariani is affiliated with Mayo Clinic Hospital Rochester.

When was this NPI record last updated?

The NPPES record for Andrea Mariani was last updated on February 27, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.