DR. GREGORY OLUTOSIN OGUNNOWO MD
NPI 1881044972
Internal Medicine - Cardiovascular Disease in Saint Paul, MN

Active since June 20, 2016PECOS EnrolledAccepts Medicare Assignment
225 SMITH AVE N STE 400, SAINT PAUL, MN 55102(651) 290-0133(651) 241-2910 Get Directions Write a Review

NPPES record last updated: October 13, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 13, 2025, Jun 3, 2020, Jul 2, 2019 and 1 more (4 updates tracked since 2016).

About Dr. Gregory Olutosin Ogunnowo Md NPPES

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

DR. GREGORY OLUTOSIN OGUNNOWO MD (NPI 1881044972) is an individual cardiovascular disease provider in Saint Paul, Minnesota, licensed in Minnesota (80576) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Allina United Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1881044972
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. GREGORY OLUTOSIN OGUNNOWOCredential: MD
Location Address225 SMITH AVE N STE 400Saint Paul, MN 55102-2568
Mailing Address2925 Chicago AveMinneapolis, MN 55407-1321 · (612) 262-5000
Fax(651) 241-2910
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 2016
Enumeration DateJune 20, 2016
Last NPPES UpdateOctober 13, 20254 updates tracked since enumeration
NPPES CertifiedOctober 13, 2025
NPI 1881044972 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses Licensed in MN · 80576 Licensed in WI · 86087-20
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 2019004690 (MO), 82004 (CT)
Also ListedHospitalistTaxonomy 208M00000X · License 2019004690 (MO)
225 SMITH AVE N STE 400, Saint Paul, MN 55102

Secondary Practice Locations 2

Location 164 Black Rock AveBridgeport, CT 06605-1200 · Phone (203) 579-5000
Location 21629 E Division StRiver Falls, WI 54022-1571 · Phone (715) 307-6000 · Fax (715) 426-4660

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. Gregory Olutosin Ogunnowo 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 ID7618243601
PECOS Enrollment IDI20250828001776, I20250828002083
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 2

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

Allina United Hospital

Acute Care Hospitals · Saint Paul, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240038
Location333 North Smith AvenueSaint Paul, MN 55102 · Ramsey County
Emergency services Birthing friendly

St Croix Regional Medical Center

Critical Access Hospitals · Saint Croix Falls, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number521337
Location235 E State StreetSaint Croix Falls, WI 54024 · Polk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55102 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
225 SMITH AVE N STE 400
SAINT PAUL, MN 55102
Nurse Practitioner (Adult Health)
225 SMITH AVE N STE 400
SAINT PAUL, MN 55102
Nurse Practitioner
225 SMITH AVE N STE 400
SAINT PAUL, MN 55102
Internal Medicine
225 SMITH AVE N STE 400
SAINT PAUL, MN 55102
Nurse Practitioner
225 SMITH AVE N STE 400
SAINT PAUL, MN 55102
Internal Medicine (Cardiovascular Disease)
225 SMITH AVE N STE 400
SAINT PAUL, MN 55102
Internal Medicine (Cardiovascular Disease)
225 SMITH AVE N STE 400
SAINT PAUL, MN 55102
Internal Medicine (Interventional Cardiology)
225 SMITH AVE N STE 400
SAINT PAUL, MN 55102

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 Gregory Ogunnowo's NPI number?

The NPI number for Gregory Ogunnowo is 1881044972. It was assigned to this individual provider in the NPPES registry on June 20, 2016.

Where is Gregory Ogunnowo located?

Gregory Ogunnowo practices at 225 Smith Ave N Ste 400, Saint Paul, MN 55102. The listed phone number is (651) 290-0133.

What is Gregory Ogunnowo's specialty?

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

Is Gregory Ogunnowo enrolled in Medicare?

Yes. Gregory Ogunnowo 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 Gregory Ogunnowo accept?

Health plans from HealthPartners list Gregory Ogunnowo 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 Gregory Ogunnowo affiliated with any hospitals?

According to CMS data, Gregory Ogunnowo is affiliated with Allina United Hospital and St Croix Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Ogunnowo was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.