DR. MARISSA COPAS WEAVER
NPI 1760059703
Internal Medicine in Rapid City, SD

Active since June 08, 2021PECOS EnrolledAccepts Medicare Assignment
640 FLORMANN ST, RAPID CITY, SD 57701(605) 755-3300 Get Directions Write a Review

NPPES record last updated: April 3, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Apr 3, 2026, Jun 8, 2021 (2 updates tracked since 2021).

About Dr. Marissa Copas Weaver NPPES

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

DR. MARISSA COPAS WEAVER (NPI 1760059703) is an individual internal medicine provider in Rapid City, South Dakota, licensed in South Dakota (17712) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, is affiliated with Monument Health Rapid City Hospital, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2021).

NPPES Registry Identity

NPI1760059703
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARISSA COPAS WEAVER
Location Address640 FLORMANN STRapid City, SD 57701-4679
Mailing Address640 Flormann StRapid City, SD 57701-4679 · (605) 755-3300
Sole ProprietorNo
Medical School CMSUniversity Of Kansas School Of Med (kc/wich/sal)Graduated 2021
Enumeration DateJune 8, 2021
Last NPPES UpdateApril 3, 20262 updates tracked since enumeration
NPPES CertifiedApril 3, 2026
NPI 1760059703 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in SD · 17712
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 17712 (SD)
640 FLORMANN ST, Rapid City, SD 57701

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. Marissa Copas Weaver 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 ID7214331909
PECOS Enrollment IDI20251106002032
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.

Hospital Affiliations CMS Care Compare

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

Monument Health Rapid City Hospital

Acute Care Hospitals · Rapid City, SD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430077
Location353 Fairmont BlvdRapid City, SD 57701 · Pennington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57701 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
$126.78 typical visit price
range $55.52 – $167.23
Typical copayment $31.69 (range $13.88 – $41.80)
Most-billed visit code 99204
Established Patient
$97.88 typical visit price
range $18.08 – $137.08
Typical copayment $24.47 (range $4.52 – $34.27)
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.

Nurse Practitioner (Family)
640 FLORMANN ST
RAPID CITY, SD 57701
Family Medicine
640 FLORMANN ST
RAPID CITY, SD 57701
Internal Medicine
640 FLORMANN ST
RAPID CITY, SD 57701
640 FLORMANN ST
RAPID CITY, SD 57701
Physician Assistant
640 FLORMANN ST
RAPID CITY, SD 57701
Nurse Practitioner
640 FLORMANN ST
RAPID CITY, SD 57701
Family Medicine
640 FLORMANN ST
RAPID CITY, SD 57701
Internal Medicine (Endocrinology, Diabetes & Metabolism)
640 FLORMANN ST
RAPID CITY, SD 57701

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 Marissa Copas Weaver's NPI number?

The NPI number for Marissa Copas Weaver is 1760059703. It was assigned to this individual provider in the NPPES registry on June 8, 2021.

Where is Marissa Copas Weaver located?

Marissa Copas Weaver practices at 640 Flormann St, Rapid City, SD 57701. The listed phone number is (605) 755-3300.

What is Marissa Copas Weaver's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Marissa Copas Weaver enrolled in Medicare?

Yes. Marissa Copas Weaver 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 Marissa Copas Weaver accept?

Health plans from Sanford Health Plan list Marissa Copas Weaver 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 Marissa Copas Weaver affiliated with any hospitals?

According to CMS data, Marissa Copas Weaver is affiliated with Monument Health Rapid City Hospital.

When was this NPI record last updated?

The NPPES record for Marissa Copas Weaver was last updated on April 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.