DR. GRANT PETER SIMONSON MD
NPI 1942996525
Internal Medicine in Saint Paul, MN

Active since April 17, 2023PECOS Enrolled
640 JACKSON ST, SAINT PAUL, MN 55101(952) 388-8601 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Grant Peter Simonson Md NPPES

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

DR. GRANT PETER SIMONSON MD (NPI 1942996525) is an individual internal medicine provider in Saint Paul, Minnesota, licensed in Minnesota (81951) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS and is a graduate of University Of Minnesota Medical School (2023).

NPPES Registry Identity

NPI1942996525
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. GRANT PETER SIMONSONCredential: MD
Location Address640 JACKSON STSaint Paul, MN 55101-2595
Mailing Address420 Delaware St Se # 284Minneapolis, MN 55455-0341 · (612) 626-5454
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2023
Enumeration DateApril 17, 2023
Last NPPES UpdateJuly 1, 2026
NPPES CertifiedJuly 1, 2026
NPI 1942996525 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MN · 81951
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.
640 JACKSON ST, Saint Paul, MN 55101

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Grant Peter Simonson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID941668941
PECOS Enrollment IDI20260527002167
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55101 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.

Internal Medicine
640 JACKSON ST
SAINT PAUL, MN 55101
Internal Medicine
640 JACKSON ST
SAINT PAUL, MN 55101
Nurse Anesthetist, Certified Registered
640 JACKSON ST
SAINT PAUL, MN 55101
Internal Medicine
640 JACKSON ST
SAINT PAUL, MN 55101
Nurse Anesthetist, Certified Registered
640 JACKSON ST
SAINT PAUL, MN 55101
Orthopaedic Surgery
640 JACKSON ST
SAINT PAUL, MN 55101
Nurse Anesthetist, Certified Registered
640 JACKSON ST, MAIL STOP 11503P
ST PAUL, MN 55101
Pathology (Anatomic Pathology & Clinical Pathology)
640 JACKSON ST, MC 11103E
ST PAUL, MN 55101

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 Grant Simonson's NPI number?

The NPI number for Grant Simonson is 1942996525. It was assigned to this individual provider in the NPPES registry on April 17, 2023.

Where is Grant Simonson located?

Grant Simonson practices at 640 Jackson St, Saint Paul, MN 55101. The listed phone number is (952) 388-8601.

What is Grant Simonson's specialty?

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

Is Grant Simonson enrolled in Medicare?

Yes. Grant Simonson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Grant Simonson was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.