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RICHARD THOMAS MAZIARZ MD
NPI 1275548760
Internal Medicine - Hematology & Oncology in Portland, OR

Active since July 31, 2006PECOS EnrolledAccepts Medicare Assignment
97.83/100
CMS Quality Rating
3181 SW SAM JACKSON PARK RD, MAIL CODE UHN73C, PORTLAND, OR 97239(503) 494-4606(503) 494-1552 Get Directions Write a Review

NPPES record last updated: August 15, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Richard Thomas Maziarz Md NPPES

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

RICHARD THOMAS MAZIARZ MD (NPI 1275548760) is an individual hematology & oncology provider in Portland, Oregon, licensed in Oregon (MD17664) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Harvard Medical School (1979).

NPPES Registry Identity

NPI1275548760
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameRICHARD THOMAS MAZIARZCredential: MD
Location Address3181 SW SAM JACKSON PARK RD, MAIL CODE UHN73CPortland, OR 97239-3011
Mailing Address415 Ne Laurelhurst PlPortland, OR 97232-3339
Phone(503) 494-4606
Fax(503) 494-1552
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1979
Enumeration DateJuly 31, 2006
Last NPPES UpdateAugust 15, 2007
✔ NPI 1275548760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in OR · MD17664
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
3181 SW SAM JACKSON PARK RD, Portland, OR 97239
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINA59094
Medicaid045190OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans.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

Richard Thomas Maziarz 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 ID2668368192
PECOS Enrollment IDI20040305000243
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 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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
172 services38 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
95 services39 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
21 services17 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
18 services18 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
15 services12 patients

Hospital Affiliations CMS Care Compare

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

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97239 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
$176.88 typical visit price
range $58.99 – $176.88
Typical copayment $44.22 (range $14.74 – $44.22)
Most-billed visit code 99205
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
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.

97.83/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.97
Promoting Interoperability100
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.

DONALD RICHARD SULLIVAN MD
Internal Medicine (Pulmonary Disease)
3181 SW SAM JACKSON PARK RD, UHN67
PORTLAND, OR 97239
Multnomah County (503) 494-6949
MRS. ANJALEE NIX ROWE NP
Nurse Practitioner (Acute Care)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-3988
REEM HASAN MD
Internal Medicine
3181 SW SAM JACKSON PARK RD, PPV 350
PORTLAND, OR 97239
Multnomah County (503) 494-8562
DR. AMANDA D BALL PSY.D
Psychologist (Clinical)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-6176
SUNSHINE WELSCH LMT
Massage Therapist
3181 SW SAM JACKSON PARK RD, 7D19
PORTLAND, OR 97239
Multnomah County (503) 494-8349
DR. ROBERT GENE MEALER M.D., PH.D.
Psychiatry & Neurology (Psychiatry)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-6176
GREGORY HALL MD
Radiology (Diagnostic Radiology)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 418-0990
DR. BURHAN AHMED MIAN MD
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-8311

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 Richard Maziarz's NPI number?

The NPI number for Richard Maziarz is 1275548760. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Where is Richard Maziarz located?

Richard Maziarz practices at 3181 SW Sam Jackson Park Rd Mail Code Uhn73c, Portland, OR 97239. The listed phone number is (503) 494-4606.

What is Richard Maziarz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Richard Maziarz enrolled in Medicare?

Yes. Richard Maziarz 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 Richard Maziarz accept?

Health plans from PacificSource Health Plans list Richard Maziarz 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 Richard Maziarz affiliated with any hospitals?

According to CMS data, Richard Maziarz is affiliated with Ohsu Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Richard Maziarz was last updated on August 15, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.