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DR. OLIVER GARRISON M.D.
NPI 1780035279
Emergency Medicine in Maplewood, MN

Active since June 26, 2016PECOS EnrolledAccepts Medicare Assignment
90.6/100
CMS Quality Rating
1575 BEAM AVE, MAPLEWOOD, MN 55109(651) 232-7348 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 2, 2026, Aug 16, 2019, Jun 26, 2016 (3 updates tracked since 2016).

About Dr. Oliver Garrison M.d. NPPES

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

DR. OLIVER GARRISON M.D. (NPI 1780035279) is an individual emergency medicine provider in Maplewood, Minnesota, licensed in Minnesota (65309) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Owatonna Hospital, and maintains 8 additional practice locations.

NPPES Registry Identity

NPI1780035279
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. OLIVER GARRISONCredential: M.D.
Location Address1575 BEAM AVEMaplewood, MN 55109-1126
Mailing Address2829 University Ave Se Ste 730Minneapolis, MN 55414-3279 · (612) 439-1868
Phone(651) 232-7348
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2016
Enumeration DateJune 26, 2016
Last NPPES UpdateJune 2, 20263 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
✔ NPI 1780035279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in MN · 65309✔ Licensed in WI · 76132-20
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1575 BEAM AVE, Maplewood, MN 55109
Open in Google Maps ↗

Secondary Practice Locations 8

Location 1200 State AveFaribault, MN 55021-6339 · Phone (507) 334-8333
Location 2800 E 28th StMinneapolis, MN 55407-3723 · Phone (612) 863-4233
Location 31175 Nininger RdHastings, MN 55033-1056 · Phone (651) 404-1261
Location 4333 Smith Ave NSaint Paul, MN 55102-2344 · Phone (651) 241-8755
Location 5235 E State StSaint Croix Falls, WI 54024-4117 · Phone (715) 483-0555
Location 62855 Campus DrPlymouth, MN 55441-2649 · Phone (763) 577-7160
Location 72250 NW 26th StOwatonna, MN 55060-5503 · Phone (507) 451-3850
Location 81925 Woodwinds DrWoodbury, MN 55125-4445 · Phone (651) 232-0348

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Oliver Garrison M.d. 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 ID1254628274
PECOS Enrollment IDI20210210000498
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Oliver Garrison reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Fairview Express Care
0.2 mi
Neurology
1650 BEAM AVE STE 200
Maplewood, MN 55109
  • Reassigned Medicare billing, Minnesota enrollment
  • 3,633 clinicians in this Medicare group
NPI 1902311210 (651) 221-9051
Allina Health System
3.6 mi
Family Medicine
1155 COUNTY ROAD E E, SUITE 100
Vadnais Heights, MN 55110
  • Reassigned Medicare billing, Minnesota enrollment
  • 3,733 clinicians in this Medicare group
NPI 1861798654 (651) 241-9200
Emergency Care Consultants, PA
9.7 mi
Emergency Medicine
2829 UNIVERSITY AVE SE STE 730
Minneapolis, MN 55414
  • Reassigned Medicare billing, Minnesota and Wisconsin enrollments
  • 218 clinicians in this Medicare group
NPI 1669422788 (612) 439-1862
Fairview Health Services
11 mi
General Acute Care Hospital
2450 RIVERSIDE AVE, OUTREACH LAB DEPARTMENT
Minneapolis, MN 55454
  • Reassigned Medicare billing, Minnesota enrollment
  • 4,038 clinicians in this Medicare group
NPI 1316008212 (612) 273-7838
Hudson Hospital, Inc.
16 mi
Critical Access
405 STAGELINE RD
Hudson, WI 54016
  • Reassigned Medicare billing, Wisconsin enrollment
  • 158 clinicians in this Medicare group
NPI 1255532875 (715) 531-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
172 services171 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
110 services104 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
63 services59 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
27 services27 patients

Hospital Affiliations CMS Care Compare 3

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

Owatonna Hospital

Acute Care Hospitals · Owatonna, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number240069
Location2250 26th Street NorthwestOwatonna, MN 55060 · Steele County
Emergency services Birthing friendly

M Health Fairview St John's Hospital

Acute Care Hospitals · Maplewood, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240210
Location1575 Beam AvenueMaplewood, MN 55109 · Ramsey County
Emergency services Birthing friendly

M Health Fairview Woodwinds Hospital

Acute Care Hospitals · Woodbury, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240213
Location1925 Woodwinds DriveWoodbury, MN 55125 · Washington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55109 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
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.6/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.32
Improvement Activities40

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.

BRIAN TOLLY M.D.
Anesthesiology
1575 BEAM AVE
MAPLEWOOD, MN 55109
Ramsey County (920) 915-9034
YONG YANG
Interpreter
1575 BEAM AVE
MAPLEWOOD, MN 55109
Ramsey County (651) 232-6177
GRETCHEN L HANSON CNNP
Nurse Practitioner (Neonatal)
1575 BEAM AVE
MAPLEWOOD, MN 55109
Ramsey County (651) 232-7000
DR. NATHAN DEAN SWENSON M.D.
Emergency Medicine
1575 BEAM AVE
MAPLEWOOD, MN 55109
Ramsey County (651) 232-7348
KRISTIN MARIE ROUSE MD
Emergency Medicine
1575 BEAM AVE
MAPLEWOOD, MN 55109
Ramsey County (651) 232-7348
NICHOLAS BASIL LOUDAS
Radiology (Radiation Oncology)
1575 BEAM AVE
MAPLEWOOD, MN 55109
Ramsey County (651) 232-7970
HTOO BWAY INTERPRETER
Interpreter
1575 BEAM AVE
SAINT PAUL, MN 55109
Ramsey County (651) 232-2917
HEALTHEAST ST. JOHN'S HOSPITAL
Pharmacy (Institutional Pharmacy)
1575 BEAM AVE
MAPLEWOOD, MN 55109
Ramsey County (651) 232-7970

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 Oliver Garrison's NPI number?

The NPI number for Oliver Garrison is 1780035279. It was assigned to this individual provider in the NPPES registry on June 26, 2016.

Where is Oliver Garrison located?

Oliver Garrison practices at 1575 Beam Ave, Maplewood, MN 55109. The listed phone number is (651) 232-7348.

What is Oliver Garrison's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Oliver Garrison enrolled in Medicare?

Yes. Oliver Garrison 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.

Which organizations bill Medicare for Oliver Garrison's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oliver Garrison reassigns Medicare benefits to 5 organizations: Fairview Express Care (Maplewood, MN), Allina Health System (Vadnais Heights, MN), Emergency Care Consultants, PA (Minneapolis, MN), Fairview Health Services (Minneapolis, MN) and Hudson Hospital, Inc. (Hudson, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Oliver Garrison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Oliver Garrison affiliated with any hospitals?

According to CMS data, Oliver Garrison is affiliated with Owatonna Hospital, M Health Fairview St John's Hospital and M Health Fairview Woodwinds Hospital.

When was this NPI record last updated?

The NPPES record for Oliver Garrison was last updated on June 2, 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.