ROSALYN ISAM MARAR MD
NPI 1750907622
Internal Medicine in Rochester, MN

Active since June 17, 2020PECOS EnrolledAccepts Medicare Assignment
200 1ST STREET SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: October 25, 2023. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Oct 25, 2023, Jun 17, 2020 (2 updates tracked since 2020).

About Rosalyn Isam Marar Md NPPES

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

ROSALYN ISAM MARAR MD (NPI 1750907622) is an individual internal medicine provider in Rochester, Minnesota, licensed in Nebraska (8842) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains a secondary practice location in Omaha.

NPPES Registry Identity

NPI1750907622
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameROSALYN ISAM MARARCredential: MD
Location Address200 1ST STREET SWRochester, MN 55905-0001
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2020
Enumeration DateJune 17, 2020
Last NPPES UpdateOctober 25, 20232 updates tracked since enumeration
NPPES CertifiedOctober 25, 2023
NPI 1750907622 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 NE · 8842
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 ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License 73491 (MN)
200 1ST STREET SW, Rochester, MN 55905

Secondary Practice Location 1

Location 1982055 Nebraska Medical CtrOmaha, NE 68198-2055 · Phone (402) 559-7738 · Fax (402) 559-9385

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

Rosalyn Isam Marar 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 ID5991123382
PECOS Enrollment IDI20230523001330
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 4

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
65 services36 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.
36 services22 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
30 services13 patients
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.
25 services25 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
$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.

Dentist (Orthodontics and Dentofacial Orthopedics)
200 1ST STREET SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST STREET SW
ROCHESTER, MN 55905
Internal Medicine (Interventional Cardiology)
200 1ST STREET SW
ROCHESTER, MN 55905
Surgery
200 1ST STREET SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST STREET SW
ROCHESTER, MN 55905
Physician Assistant
200 1ST STREET SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST STREET SW
ROCHESTER, MN 55905
Anesthesiology
200 1ST STREET SW, MAYO CLINIC, DEPARTMENT OF ANESTHESIOLOGY
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 Rosalyn Marar's NPI number?

The NPI number for Rosalyn Marar is 1750907622. It was assigned to this individual provider in the NPPES registry on June 17, 2020.

Where is Rosalyn Marar located?

Rosalyn Marar practices at 200 1st Street SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is Rosalyn Marar's specialty?

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

Is Rosalyn Marar enrolled in Medicare?

Yes. Rosalyn Marar 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.

Is Rosalyn Marar affiliated with any hospitals?

According to CMS data, Rosalyn Marar is affiliated with Mayo Clinic Hospital Rochester.

When was this NPI record last updated?

The NPPES record for Rosalyn Marar was last updated on October 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.