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

NPI Status: Active since January 10, 2008

Contact Information

200 1ST ST SW
ROCHESTER, MN
ZIP 55905
Phone: (507) 284-2511

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  • Individual
  • Male
  • Obstetrics & Gynecology
  • Gynecologic Oncology
  • Accepts Insurance
  • PECOS Enrolled

About ANDREA MARIANI

This page provides the complete NPI Profile along with additional information for Andrea Mariani, a women's health care provider established in Rochester, Minnesota with a medical specialization in Obstetrics & Gynecology, focusing in gynecologic oncology . The healthcare provider is registered in the NPI registry with number 1124204946 assigned on January 2008. The practitioner's primary taxonomy code is 207VX0201X with license number 49429 (MN). The provider is registered as an individual and his NPI record was last updated February 2026.

NPI
1124204946
Provider Name
DR. ANDREA MARIANI M.D.
Gender
Male
Entity Type
Individual
Location Address
200 1ST ST SW ROCHESTER, MN 55905
Location Phone
(507) 284-2511
Mailing Address
200 1ST ST SW ROCHESTER, MN 55905
Mailing Phone
(507) 284-2511
Is Sole Proprietor?
No
Enumeration Date
01-10-2008
Last Update Date
02-27-2026
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Women's health care providers like Andrea Mariani treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Obstetrics & Gynecology Gynecologic Oncology

Taxonomy Code
207VX0201X
Type
Allopathic & Osteopathic Physicians
License No.
49429
License State
MN
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207VX0201XAllopathic & Osteopathic Physicians

Obstetrics & Gynecology
Gynecologic Oncology

37765 (AZ)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Altru Prime by Medica Bronze $0 Copay PCP Visits - HMO
  • Altru Prime by Medica Bronze Share - HMO
  • Altru Prime by Medica Expanded Bronze Standard - HMO
  • Altru Prime by Medica Gold $0 Copay PCP Visits - HMO
  • Altru Prime by Medica Gold Share - HMO
  • Altru Prime by Medica Gold Standard - HMO
  • Altru Prime by Medica Silver $0 Copay PCP Visits - HMO
  • Altru Prime by Medica Silver Share - HMO
  • Altru Prime by Medica Silver Standard - HMO
  • Engage by Medica Bronze HSA - EPO
  • Engage by Medica Bronze Share - EPO
  • Engage by Medica Expanded Bronze Standard - EPO
  • Engage by Medica Gold $0 Copay PCP Visits - EPO
  • Engage by Medica Gold Share - EPO
  • Engage by Medica Gold Standard - EPO
  • Engage by Medica Silver $0 Copay PCP Visits - EPO
  • Engage by Medica Silver Share - EPO
  • Engage by Medica Silver Standard - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Andrea Mariani is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Biopsy of lining of uterus and/or removal of polyp using an endoscope

This procedure involves using a thin, flexible tool (endoscope) to examine and possibly remove a small tissue sample from the inner layer of your uterus. It may also involve removing a growth. It helps to identify any issues and plan the right treatment.

This service was performed 20 times for 16 patients

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 24 times for 20 patients

New patient office or other outpatient visit, 45-59 minutes

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.

This service was performed 42 times for 42 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

This service was performed 19 times for 17 patients

Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less

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.

This service was performed 13 times for 13 patients

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 55905 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $168.28
  • Minimum New Patient Price $56
  • Maximum New Patient Price $168.28
  • Average New Patient Copayment $42.07
  • Minimum New Patient Copayment $14
  • Maximum New Patient Copayment $42.07

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $98.61
  • Minimum Established Patient Price $18.32
  • Maximum Established Patient Price $138.04
  • Average Established Patient Copayment $24.65
  • Minimum Established Patient Copayment $4.58
  • Maximum Established Patient Copayment $34.51

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Reviews for DR. ANDREA MARIANI M.D.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1124204946, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
2
Doubled → 4
Pos 6
0
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
4
Doubled → 8
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 2 → 4 4 → 8 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 4 + 4 + 4 + 0 + 8 + 9 + 8 + 24 = 64

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1124204946.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Radiology (Diagnostic Radiology)
200 1ST ST SW
ROCHESTER, MN 55905
Dermatology
200 1ST ST SW
ROCHESTER, MN 55905
Physician Assistant
200 1ST ST SW
ROCHESTER, MN 55905
Genetic Counselor, MS
200 1ST ST SW
ROCHESTER, MN 55905
Pharmacist
200 1ST ST SW
ROCHESTER, MN 55905
Psychiatry & Neurology (Psychiatry)
200 1ST ST SW
ROCHESTER, MN 55905
Psychiatry & Neurology (Psychiatry)
200 1ST ST SW
ROCHESTER, MN 55905
Pharmacist
200 1ST ST SW
ROCHESTER, MN 55905
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
200 1ST ST SW
ROCHESTER, MN 55905
Anesthesiology
200 1ST ST SW
ROCHESTER, MN 55905
Radiology (Diagnostic Radiology)
200 1ST ST SW
ROCHESTER, MN 55905
Internal Medicine (Medical Oncology)
200 1ST ST SW
ROCHESTER, MN 55905
Obstetrics & Gynecology (Gynecology)
200 1ST ST SW
ROCHESTER, MN 55905
Surgery
200 1ST ST SW
ROCHESTER, MN 55905
Radiology (Diagnostic Radiology)
200 1ST ST SW
ROCHESTER, MN 55905
Otolaryngology
200 1ST ST SW
ROCHESTER, MN 55905
Pediatrics
200 1ST ST SW
ROCHESTER, MN 55905
Internal Medicine (Cardiovascular Disease)
200 1ST ST SW
ROCHESTER, MN 55905
Audiologist
200 1ST ST SW
ROCHESTER, MN 55905
Psychiatry & Neurology (Neurology)
200 1ST ST SW
ROCHESTER, MN 55905

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124204946, enumerated as an "individual" on January 10, 2008.

The provider is located at 200 1ST ST SW ROCHESTER, MN 55905 and the phone number is (507) 284-2511.

Obstetrics & Gynecology with taxonomy code 207VX0201X and a focus in Gynecologic Oncology.

The provider might be accepting Accepts: Medica. Please consult your insurance carrier or call the provider to verify.