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DR. MATTHEW AARON GUESS MD
NPI 1194107169
Emergency Medicine in Pittsburgh, PA

Active since June 25, 2015PECOS Enrolled
3550 TERRACE ST., ALAN MAGEE SCAIFE HALL, SUITE 600, PITTSBURGH, PA 15213(530) 368-6113 Get Directions Write a Review

NPPES record last updated: February 12, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Matthew Aaron Guess Md NPPES

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

DR. MATTHEW AARON GUESS MD (NPI 1194107169) is an individual emergency medicine provider in Pittsburgh, Pennsylvania, licensed in California (A144547) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS and maintains a secondary practice location in Torrance.

NPPES Registry Identity

NPI1194107169
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MATTHEW AARON GUESSCredential: MD
Location Address3550 TERRACE ST., ALAN MAGEE SCAIFE HALL, SUITE 600Pittsburgh, PA 15213
Mailing Address3600 Forbes Ave, Forbes Tower - Plaza Level Suite 140Pittsburgh, PA 15213 · (530) 368-6113
Phone(530) 368-6113
Sole ProprietorNo
Enumeration DateJune 25, 2015
Last NPPES UpdateFebruary 12, 2024
NPPES CertifiedMay 5, 2020
✔ NPI 1194107169 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A144547
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.
3550 TERRACE ST., Pittsburgh, PA 15213
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Secondary Practice Location 1

Location 11000 W Carson StTorrance, CA 90502-2004 · Phone (310) 222-3501 · Fax (310) 782-1763

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Matthew Aaron Guess 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.

Medicare Billing Reassignments

3

Medicare enrollment records show Matthew Guess reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Pittsburgh Physicians
Same address
Nephrology
3550 TERRACE STREET SCAIFE HALL SUITE A919
Pittsburgh, PA 15261
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 7,114 clinicians in this Medicare group
NPI 1326058553 (412) 641-3118
Upmc Community Medicine Inc
Same address
Family Medicine
200 LOTHROP ST, SUITE 9055 FORBES TOWER
Pittsburgh, PA 15213
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,182 clinicians in this Medicare group
NPI 1306972724 (412) 647-0943
Newport Critical Care Physicians Medical Group Inc
2,134 mi
Critical Care Medicine
ONE HOAG DRIVE, 3 NORTH INTENSIVIST OFFICE
Newport Beach, CA 92663
  • Reassigned Medicare billing, California enrollment
  • 21 clinicians in this Medicare group
NPI 1740220482 (949) 764-6875

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 5

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.
36 services33 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.
30 services26 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.
20 services16 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.
20 services20 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15213 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TURKY ABDULLAH ALSUBAHI M.D
Student in an Organized Health Care Education/Training Program
3550 TERRACE ST., SCAIFE HALL, ROOM 651
PITTSBURGH, PA 15213
Allegheny County (571) 645-6340
SHAYAN MOHAMMAD SARRAMI MD
Student in an Organized Health Care Education/Training Program
3550 TERRACE ST., 6B SCIAFE HALL
PITTSBURGH, PA 15213
Allegheny County (877) 639-9688

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 Matthew Guess's NPI number?

The NPI number for Matthew Guess is 1194107169. It was assigned to this individual provider in the NPPES registry on June 25, 2015.

Where is Matthew Guess located?

Matthew Guess practices at 3550 Terrace St. Alan Magee Scaife Hall, Suite 600, Pittsburgh, PA 15213. The listed phone number is (530) 368-6113.

What is Matthew Guess's specialty?

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

Is Matthew Guess enrolled in Medicare?

Yes. Matthew Guess is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Matthew Guess's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Guess reassigns Medicare benefits to 3 organizations: University Of Pittsburgh Physicians (Pittsburgh, PA), Upmc Community Medicine Inc (Pittsburgh, PA) and Newport Critical Care Physicians Medical Group Inc (Newport Beach, CA). 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 Matthew Guess's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Matthew Guess was last updated on February 12, 2024. 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.