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GREGORY OBST MD
NPI 1629139548
Emergency Medicine in Wausau, WI

Active since December 13, 2006PECOS Enrolled
83.72/100
CMS Quality Rating
333 PINE RIDGE BLVD, WAUSAU, WI 54401(715) 847-2304 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Gregory Obst Md NPPES

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

GREGORY OBST MD (NPI 1629139548) is an individual emergency medicine provider in Wausau, Wisconsin, licensed in Wisconsin (35317) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629139548
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameGREGORY OBSTCredential: MD
Location Address333 PINE RIDGE BLVDWausau, WI 54401-4120
Mailing AddressPo Box 1008Wausau, WI 54402-1008
Phone(715) 847-2304
Sole ProprietorNo
Enumeration DateDecember 13, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1629139548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in WI · 35317
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.
333 PINE RIDGE BLVD, Wausau, WI 54401
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Other Identifiers 2

Medicare UPING13056WI
Medicaid32176500WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Obst Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 6

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.
311 services295 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.
187 services167 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.
104 services103 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.
87 services85 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
41 services41 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
17 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54401 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

83.72/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.54
Promoting Interoperability100
Improvement Activities40
Cost58.37

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.

ASPIRUS MEDICAL GROUP, INC.
Clinic/Center
333 PINE RIDGE BLVD, SUITE 185
WAUSAU, WI 54401
Marathon County (715) 847-0477
STEWART MICHAEL WENTE MD
Emergency Medicine
333 PINE RIDGE BLVD
WAUSAU, WI 54401
Marathon County (715) 847-2121
KERRY MULLEN
Physical Therapist
333 PINE RIDGE BLVD
WAUSAU, WI 54401
Marathon County (715) 847-2846
MRS. DANIELLE RUNNOE PA
Physician Assistant
333 PINE RIDGE BLVD
WAUSAU, WI 54401
Marathon County (715) 817-2160
DR. SAMANTHA MARIE MORACHE DPT
Physical Therapist
333 PINE RIDGE BLVD
WAUSAU, WI 54401
Marathon County (800) 283-2881
MRS. KIRSTEN SCHWARTZ M.A./ CCC-SLP
Speech-Language Pathologist
333 PINE RIDGE BLVD
WAUSAU, WI 54401
Marathon County (715) 847-2121
DR. JACOB JOSEPH DIRKMAN DO
Emergency Medicine (Emergency Medical Services)
333 PINE RIDGE BLVD
WAUSAU, WI 54401
Marathon County (800) 283-2881
DR. DERRICK ROBSON SIEBERT M.D.
Radiology (Diagnostic Radiology)
333 PINE RIDGE BLVD
WAUSAU, WI 54401
Marathon County (715) 847-2283

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 Obst's NPI number?

The NPI number for Gregory Obst is 1629139548. It was assigned to this individual provider in the NPPES registry on December 13, 2006.

Where is Gregory Obst located?

Gregory Obst practices at 333 Pine Ridge Blvd, Wausau, WI 54401. The listed phone number is (715) 847-2304.

What is Gregory Obst's specialty?

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

Is Gregory Obst enrolled in Medicare?

Yes. Gregory Obst is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Obst was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.