MARYSIA S TWEET MD
NPI 1821254939
Internal Medicine - Cardiovascular Disease in Rochester, MN

Active since July 29, 2008PECOS EnrolledAccepts Medicare Assignment
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: August 21, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 21, 2020, May 6, 2019 (2 updates tracked since 2019).

About Marysia S Tweet Md NPPES

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

MARYSIA S TWEET MD (NPI 1821254939) is an individual cardiovascular disease provider in Rochester, Minnesota, licensed in Minnesota (52107) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and is a graduate of University Of Minnesota Medical School (2008).

NPPES Registry Identity

NPI1821254939
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameMARYSIA S TWEETCredential: MD
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2008
Enumeration DateJuly 29, 2008
Last NPPES UpdateAugust 21, 20202 updates tracked since enumeration
NPPES CertifiedAugust 21, 2020
NPI 1821254939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in MN · 52107
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 52107 (MN)
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

Marysia S Tweet Md 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 ID4082751615
PECOS Enrollment IDI20091029000703
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 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
30 services15 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
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.
11 services11 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
Most-billed visit code 99213
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 Marysia Tweet's NPI number?

The NPI number for Marysia Tweet is 1821254939. It was assigned to this individual provider in the NPPES registry on July 29, 2008.

Where is Marysia Tweet located?

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

What is Marysia Tweet's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Marysia Tweet enrolled in Medicare?

Yes. Marysia Tweet 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 Marysia Tweet accept?

Health plans from Medica and Sanford Health Plan list Marysia Tweet 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 Marysia Tweet affiliated with any hospitals?

According to CMS data, Marysia Tweet is affiliated with Mayo Clinic Hospital Rochester.

When was this NPI record last updated?

The NPPES record for Marysia Tweet was last updated on August 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.