DR. TRICIA LAWRENCE MERRIGAN M.D.
NPI 1467548727
Surgery in Sioux Falls, SD

NPI Status: Active since October 05, 2006

Contact Information

1000 E 23RD ST
STE 360
SIOUX FALLS, SD
ZIP 57105
Phone: (605) 322-3950
Fax: (605) 322-3960

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  • Individual
  • Female
  • Years of Experience 20
  • Surgery
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About TRICIA MERRIGAN

This page provides the complete NPI Profile along with additional information for Tricia Merrigan, a provider established in Sioux Falls, South Dakota with a medical specialization in Surgery and more than 20 years of experience. She graduated from Sanford School Of Medicine Of University Of South Dakota in 2006. The healthcare provider is registered in the NPI registry with number 1467548727 assigned on October 2006. The practitioner's primary taxonomy code is 208600000X with license number 8158 (SD). The provider is registered as an individual and her NPI record was last updated 12 years ago.

NPI
1467548727
Provider Name
DR. TRICIA LAWRENCE MERRIGAN M.D.
Other Name
DR. TRICIA LEE ANN LAWRENCE M.D.
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
1000 E 23RD ST STE 360 SIOUX FALLS, SD 57105
Location Phone
(605) 322-3950
Location Fax
(605) 322-3960
Mailing Address
911 E 20TH ST STE 700 SIOUX FALLS, SD 57105
Mailing Phone
(605) 334-0393
Mailing Fax
(605) 322-3960
Medical School Name
SANFORD SCHOOL OF MEDICINE OF UNIVERSITY OF SOUTH DAKOTA
Graduation Year
2006
Is Sole Proprietor?
No
Enumeration Date
10-05-2006
Last Update Date
12-23-2013
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A surgeon like Tricia Merrigan treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

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

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License No.
8158
License State
SD
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Insurance Plans Accepted

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

  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Complete Silver - EPO
  • Complete Silver + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Gold - EPO
  • Elite Gold + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Choice Bronze HSA - EPO
  • Choice Bronze HSA + Vision + Adult Dental - EPO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Bronze - EPO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Silver - EPO
  • Elite Silver + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • ConnectPlus $0 Gold - PPO
  • ConnectPlus $0 Silver - PPO
  • ConnectPlus $10,600 HSA Eligible HDHP - PPO
  • ConnectPlus $1800 - PPO
  • ConnectPlus $4500 - PPO
  • ConnectPlus $6500 HSA Eligible HDHP - PPO
  • ConnectPlus $7500 HSA Eligible HDHP - PPO
  • ConnectPlus MyWeighForward $2000 - PPO
  • ConnectPlus MyWeighForward $6000 - PPO
  • ConnectPlus Standard $2000 - PPO
  • Medica Individual Choice Bronze $0 Copay PCP Visits - HMO
  • Medica Individual Choice Bronze HSA - EPO
  • Medica Individual Choice Bronze Share - EPO
  • Medica Individual Choice Bronze Share - HMO
  • Medica Individual Choice Expanded Bronze Standard - EPO
  • Medica Individual Choice Expanded Bronze Standard - HMO
  • Medica Individual Choice Gold $0 Copay PCP Visits - EPO
  • Medica Individual Choice Gold $0 Copay PCP Visits - HMO
  • Medica Individual Choice Gold Share - EPO
  • Medica Individual Choice Gold Share - HMO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

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

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
S106367MEDICARE PIN (08)SD 
7302820MEDICAID (05)SD 

Medicare Participation & PECOS Enrollment Status

Tricia Merrigan is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Tricia Merrigan 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

  • PECOS PAC ID: 2264689496

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20120823000371

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • 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

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Orthotic Devices

  • DME-Orthotic Devices (DF000N)

    Breast prosthesis, mastectomy bra, without integrated breast prosthesis form, any size, any type (HCPCS:L8000)

    5 DME suppliers used 33 Medicare Claims 49 Services Paid

  • DME-Orthotic Devices (DF000N)

    Breast prosthesis, silicone or equal, without integral adhesive (HCPCS:L8030)

    3 DME suppliers used 11 Medicare Claims 16 Services Paid

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 or removal of deep lymph nodes of underarm

A biopsy or removal of deep underarm lymph nodes is a procedure where a small sample of lymph node tissue is taken for testing. This helps in diagnosing or ruling out conditions like infections or cancers. It involves a small incision and is typically done under local or general anesthesia.

This service was performed 51 times for 51 patients

Established patient office or other outpatient visit, 10-19 minutes

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

This service was performed 25 times for 24 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 135 times for 128 patients

Established patient office or other outpatient visit, 40-54 minutes

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 11 times for 11 patients

Imaging of lymph nodes during surgery

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.

This service was performed 59 times for 59 patients

Mastectomy

A mastectomy is a surgical procedure that involves the removal of all or part of the breast tissue. This is often done to treat or prevent conditions related to abnormal cell growth. There are different types, ranging from removing only the breast tissue to also removing nearby structures. The approach depends on individual health circumstances.

This service was performed for 87 patients

New patient office or other outpatient visit, 60-74 minutes

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.

This service was performed 53 times for 53 patients

Partial removal of breast

A partial removal of the breast, also known as a lumpectomy, involves taking out a portion of the breast tissue to eliminate concerning cells. It's typically performed when the problem area is limited in size. This procedure helps to preserve most of the breast's appearance while aiming to remove all the unhealthy cells.

This service was performed 44 times for 41 patients

Simple complete removal of breast

This procedure involves the total removal of breast tissue. It's typically done to treat or prevent conditions like cancer. The operation involves an incision on the skin, removal of the tissue, and closure of the wound. Post-surgery, care and recovery plans are provided.

This service was performed 30 times for 30 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $21.3 for a new patient copayment and $17.3 for an established patient copayment.

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 57105 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $85.21
  • Minimum New Patient Price $55.52
  • Maximum New Patient Price $167.23
  • Average New Patient Copayment $21.3
  • Minimum New Patient Copayment $13.88
  • Maximum New Patient Copayment $41.8

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $69.2
  • Minimum Established Patient Price $18.08
  • Maximum Established Patient Price $137.08
  • Average Established Patient Copayment $17.3
  • Minimum Established Patient Copayment $4.52
  • Maximum Established Patient Copayment $34.27

* 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.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Tricia Merrigan is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
AVERA MARSHALL REGIONAL MEDICAL CTR300 SOUTH BRUCE STREET
MARSHALL, MN 56258
(507) 532-9661Critical Access Hospitals
AVERA ST LUKES305 S STATE ST POST OFFICE BOX 4450
ABERDEEN, SD 57401
(605) 622-5000Acute Care Hospitals
AVERA ST MARY'S HOSPITAL801 E SIOUX
PIERRE, SD 57501
(605) 224-3100Acute Care Hospitals
AVERA MCKENNAN HOSPITAL & UNIVERSITY HEALTH CENTER1325 S CLIFF AVE
SIOUX FALLS, SD 57117
(605) 322-8000Acute Care Hospitals
AVERA QUEEN OF PEACE525 N FOSTER
MITCHELL, SD 57301
(605) 995-2000Critical Access Hospitals

Reviews for DR. TRICIA LAWRENCE MERRIGAN 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 1467548727, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
4
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
Check
7
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 6 → 12 → 3 5 → 10 → 1 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 2 + 7 + 1 + 0 + 4 + 1 + 6 + 7 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1467548727.

Other Providers at the Same Location


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

Radiology (Radiation Oncology)
1000 E 23RD ST, STE 100
SIOUX FALLS, SD 57105
Family Medicine
1000 E 23RD ST
SIOUX FALLS, SD 57105
Nurse Practitioner (Family)
1000 E 23RD ST, STE. 200
SIOUX FALLS, SD 57105
Nurse Practitioner
1000 E 23RD ST, SUITE #230
SIOUX FALLS, SD 57105
Physician Assistant
1000 E 23RD ST, 230
SIOUX FALLS, SD 57105
Internal Medicine (Medical Oncology)
1000 E 23RD ST, SUITE 200
SIOUX FALLS, SD 57105
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1000 E 23RD ST, SUITE 200
SIOUX FALLS, SD 57105
Surgery
1000 E 23RD ST, STE 300
SIOUX FALLS, SD 57105
Social Worker (Clinical)
1000 E 23RD ST
SIOUX FALLS, SD 57105
Radiology (Radiation Oncology)
1000 E 23RD ST, STE 100
SIOUX FALLS, SD 57105
Radiology (Radiation Oncology)
1000 E 23RD ST, STE 100
SIOUX FALLS, SD 57105
Family Medicine
1000 E 23RD ST, STE. 140
SIOUX FALLS, SD 57105
Nurse Practitioner
1000 E 23RD ST
SIOUX FALLS, SD 57105
Physical Therapist
1000 E 23RD ST
SIOUX FALLS, SD 57105
Clinic/Center (Medical Specialty)
1000 E 23RD ST, SUITE 330
SIOUX FALLS, SD 57105
Genetic Counselor, MS
1000 E 23RD ST
SIOUX FALLS, SD 57105
Genetic Counselor, MS
1000 E 23RD ST
SIOUX FALLS, SD 57105
Genetic Counselor, MS
1000 E 23RD ST
SIOUX FALLS, SD 57105
Pharmacist
1000 E 23RD ST
SIOUX FALLS, SD 57105
Pharmacist (Oncology)
1000 E 23RD ST
SIOUX FALLS, SD 57105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1467548727, enumerated as an "individual" on October 05, 2006.

The provider is located at 1000 E 23RD ST STE 360 SIOUX FALLS, SD 57105 and the phone number is (605) 322-3950.

Surgery with taxonomy code 208600000X.

The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter from. Please consult your insurance carrier or call the provider to verify.

Tricia Merrigan is affiliated with: AVERA MARSHALL REGIONAL MEDICAL CTR, AVERA ST LUKES, AVERA ST MARY'S HOSPITAL, AVERA MCKENNAN HOSPITAL & UNIVERSITY HEALTH CENTER and AVERA QUEEN OF PEACE.