MARCELA RIVEROS ANGEL MD
NPI 1679798441
Pathology - Anatomic Pathology in Portland, OR

Q: What is Marcela Riveros Angel's NPI number?

The NPI number for Marcela Riveros Angel is 1679798441. It was assigned to this individual provider in the NPPES registry on April 16, 2007.

Q: What is Marcela Riveros Angel's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Active since April 16, 2007PECOS EnrolledAccepts Medicare Assignment

3181 SW SAM JACKSON PARK RD, PORTLAND, OR 97239(503) 494-8276(503) 494-2025 Get Directions Write a Review

NPPES record last updated: June 20, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Marcela Riveros Angel Md NPPES

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

MARCELA RIVEROS ANGEL MD (NPI 1679798441) is an individual anatomic pathology provider in Portland, Oregon, licensed in Oregon (MD203346) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains a secondary practice location in Worcester.

NPPES Registry Identity

NPI1679798441

Entity TypeIndividualFemale

Primary Taxonomy207ZP0101X

Provider Legal NameMARCELA RIVEROS ANGELCredential: MD

Location Address3181 SW SAM JACKSON PARK RDPortland, OR 97239-3011

Mailing Address1400 Sw 5th Ave Ste 500Portland, OR 97201-5537 · (866) 617-6855 · Fax (503) 346-8015

Phone(503) 494-8276

Fax(503) 494-2025

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateApril 16, 2007

Last NPPES UpdateJune 20, 2024

NPPES CertifiedJune 20, 2024

✔ NPI 1679798441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0101X

Licenses✔ Licensed in OR · MD203346✔ Licensed in MA · 248332

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

3181 SW SAM JACKSON PARK RD, Portland, OR 97239

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Secondary Practice Location 1

Location 155 Lake Ave N, Department of PathologyWorcester, MA 01655-0002 · Phone (508) 793-6100 · Fax (508) 793-6110

Other Identifiers 1

Medicaid110089746AMA

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

Marcela Riveros Angel 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 ID2961673298

PECOS Enrollment IDI20240412002235

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 Reassignment

Medicare enrollment records show Marcela Riveros Angel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Professional Services

Same address

General Practice

3181 SW SAM JACKSON PARK RD
Portland, OR 97239

Reassigned Medicare billing, Oregon enrollment
2,212 clinicians in this Medicare group

NPI 1376709535 (503) 494-8311

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 12

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

87 services59 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

81 services29 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

66 services64 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

52 services47 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

47 services30 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

36 services20 patients

Molecular pathology procedure; physician interpretation and report G0452

A molecular pathology procedure involves analyzing your body's cells at a molecular level to identify any abnormalities. This can help detect diseases early. A physician will interpret the results and provide a detailed report, explaining the findings clearly.

27 services27 patients

Evaluation of fine needle aspirate 88172

Evaluation of fine needle aspirate is a diagnostic procedure where a thin needle is used to collect cells from a lump or mass. This sample is then examined under a microscope to determine the nature of the lump, whether it's benign (non-cancerous) or malignant (cancerous).

22 services14 patients

Preparation of specimen, manual 88381

The preparation of a specimen manually is a procedure where a sample from your body is collected by a healthcare professional. This could be blood, urine, or tissue. The sample is then prepared in a lab for further analysis to help diagnose or monitor your health condition.

20 services20 patients

Surgical pathology consultation and report on referred slides prepared elsewhere 88321

A surgical pathology consultation involves reviewing slides prepared at a different lab to confirm or clarify a diagnosis. It's a second opinion to ensure accuracy. A report with findings and interpretations is then provided for your doctor's reference.

16 services16 patients

Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method G0416

This procedure involves taking a small tissue sample from your gland located beneath your bladder. The sample is then examined under a microscope by a pathologist to check for any abnormalities or diseases. This is a standard method to ensure your well-being.

15 services15 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

12 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Good Samaritan Regional Medical Center

Acute Care Hospitals · Corvallis, OR

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380014

Location3600 NW Samaritan DriveCorvallis, OR 97330 · Benton County

Emergency services Birthing friendly

Legacy Good Samaritan Medical Center

Acute Care Hospitals · Portland, OR

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380017

Location1015 NW 22nd Avenue, W121Portland, OR 97210 · Multnomah County

Emergency services Birthing friendly

Salem Hospital

Acute Care Hospitals · Salem, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number380051

Location890 Oak Street, SESalem, OR 97301 · Marion County

Emergency services Birthing friendly

Adventist Health Portland

Acute Care Hospitals · Portland, OR

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number380060

Location10123 SE Market StreetPortland, OR 97216 · 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

$134.16 typical visit price

range $58.99 – $176.88

Typical copayment $33.54 (range $14.74 – $44.22)

Most-billed visit code 99204

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.

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

KARINA RAE ESPANA MD

Psychiatry & Neurology (Psychiatry)

3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

Multnomah County (503) 494-8311

CLAIRE SAHLBERG RUGGERI MD

Pediatrics

3181 SW SAM JACKSON PARK RD, OHSU
PORTLAND, OR 97239

Multnomah County (503) 494-8220

KIMBERLY LAUREN IMBESI MD

Emergency Medicine

3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

Multnomah County (503) 494-8211

ANN PERRIN

Student in an Organized Health Care Education/Training Program

3181 SW SAM JACKSON PARK RD, OHSU
PORTLAND, OR 97239

Multnomah County (503) 494-8211

KRIS KUMAR

Internal Medicine (Interventional Cardiology)

3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

Multnomah County (503) 494-8311

SARAH POWER LCSW

Social Worker (Clinical)

3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

Multnomah County (503) 494-0849

SHAHRZAD SHARAFI MD

Radiology (Diagnostic Radiology)

3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

Multnomah County (503) 418-0990

JULIE MARIE MARTIN

Dietitian, Registered

3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

Multnomah County (503) 494-5466

DR. SONYA FABRICANT MD

Obstetrics & Gynecology

3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

Multnomah County (503) 418-4500

BRENDA BONILLA

Social Worker (Clinical)

3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

Multnomah County (503) 494-2273

KAYLEE PURPURA

Otolaryngology

3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

Multnomah County (503) 494-8510

MOLLY ANDERSON PA-C

Physician Assistant (Medical)

3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

Multnomah County (503) 494-4910

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 Marcela Riveros Angel's NPI number?

The NPI number for Marcela Riveros Angel is 1679798441. It was assigned to this individual provider in the NPPES registry on April 16, 2007.

Where is Marcela Riveros Angel located?

Marcela Riveros Angel practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-8276.

What is Marcela Riveros Angel's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Is Marcela Riveros Angel enrolled in Medicare?

Yes. Marcela Riveros Angel 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 organization bills Medicare for Marcela Riveros Angel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marcela Riveros Angel reassigns Medicare benefits to University Professional Services (Portland, OR). The 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 Marcela Riveros Angel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Marcela Riveros Angel affiliated with any hospitals?

According to CMS data, Marcela Riveros Angel is affiliated with Ohsu Hospital And Clinics, Good Samaritan Regional Medical Center, Legacy Good Samaritan Medical Center, Salem Hospital and Adventist Health Portland.

When was this NPI record last updated?

The NPPES record for Marcela Riveros Angel was last updated on June 20, 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.