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DR. SARA AYAKO MAYO M.D.
NPI 1407241037
Internal Medicine in Portland, OR

Active since March 31, 2015PECOS EnrolledAccepts Medicare Assignment
97.83/100
CMS Quality Rating
3181 SW SAM JACKSON PARK RD, MAIL CODE: PV-350, PORTLAND, OR 97239(503) 494-8562(503) 418-5505 Get Directions Write a Review

NPPES record last updated: May 31, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Sara Ayako Mayo M.d. NPPES

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

DR. SARA AYAKO MAYO M.D. (NPI 1407241037) is an individual internal medicine provider in Portland, Oregon, licensed in Oregon (MD188008) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains a secondary practice location in Salt Lake City.

NPPES Registry Identity

NPI1407241037
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. SARA AYAKO MAYOCredential: M.D.
Location Address3181 SW SAM JACKSON PARK RD, MAIL CODE: PV-350Portland, OR 97239-3011
Mailing AddressOhsu, 3181 Sw Sam Jackson Park RdPortland, OR 97239
Phone(503) 494-8562
Fax(503) 418-5505
Sole ProprietorYes
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 2015
Enumeration DateMarch 31, 2015
Last NPPES UpdateMay 31, 2018
✔ NPI 1407241037 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OR · MD188008
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3181 SW SAM JACKSON PARK RD, Portland, OR 97239
Open in Google Maps ↗

Secondary Practice Location 1

Location 1The University Of Utah School Of Medicine Dept Of, 30 N 1900 E, Room 4C104Salt Lake City, UT 84132-0001 · Phone (801) 581-7606

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., PacificSource Health Plans.Insurance ›

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. Sara Ayako Mayo 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 ID4688960735
PECOS Enrollment IDI20180517000462
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

2

Medicare enrollment records show Sara Mayo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Professional Services
0.1 mi
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
Tuality Medical Group LLC
14 mi
Neurology
364 SE 8TH AVE STE 101
Hillsboro, OR 97123
  • Reassigned Medicare billing, Oregon enrollment
  • 691 clinicians in this Medicare group
NPI 1639690704 (503) 681-1000

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 2

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.
66 services27 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.
12 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
$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.

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 Sara Mayo's NPI number?

The NPI number for Sara Mayo is 1407241037. It was assigned to this individual provider in the NPPES registry on March 31, 2015.

Where is Sara Mayo located?

Sara Mayo practices at 3181 SW Sam Jackson Park Rd Mail Code: Pv-350, Portland, OR 97239. The listed phone number is (503) 494-8562.

What is Sara Mayo's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sara Mayo enrolled in Medicare?

Yes. Sara Mayo 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 Sara Mayo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Mayo reassigns Medicare benefits to 2 organizations: University Professional Services (Portland, OR) and Tuality Medical Group LLC (Hillsboro, OR). 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 Sara Mayo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sara Mayo accept?

Health plans from Moda Health Plan, Inc. and PacificSource Health Plans list Sara Mayo 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 Sara Mayo affiliated with any hospitals?

According to CMS data, Sara Mayo is affiliated with Ohsu Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Sara Mayo was last updated on May 31, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.