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DR. MELISSA ROSE NYENDAK MD
NPI 1851506299
Internal Medicine - Infectious Disease in Portland, OR

Active since May 11, 2007PECOS EnrolledAccepts Medicare Assignment
OREGON HEALTH AND SCIENCE UNIVERSITY, 3181 SW SAM JACKSON PARK ROAD L457, PORTLAND, OR 97239(503) 494-9000 Get Directions Write a Review

NPPES record last updated: August 7, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Melissa Rose Nyendak Md NPPES

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

DR. MELISSA ROSE NYENDAK MD (NPI 1851506299) is an individual infectious disease provider in Portland, Oregon, licensed in Oregon (MD25919) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1851506299
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. MELISSA ROSE NYENDAKCredential: MD
Location AddressOREGON HEALTH AND SCIENCE UNIVERSITY, 3181 SW SAM JACKSON PARK ROAD L457Portland, OR 97239
Mailing Address3181 Sw Sam Jackson Park Rd # L457Portland, OR 97239-3011 · (503) 494-9000
Phone(503) 494-9000
Sole ProprietorYes
Medical School CMSOtherGraduated 2002
Enumeration DateMay 11, 2007
Last NPPES UpdateAugust 7, 2007
✔ NPI 1851506299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in OR · MD25919
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
OREGON HEALTH AND SCIENCE UNIVERSITY, Portland, OR 97239
Open in Google Maps ↗

Other Identifiers 1

OtherMD25919OR · State Licensing Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, PacificSource Health Plans, Regence BlueCross BlueShield of Oregon.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

Dr. Melissa Rose Nyendak 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 ID3678582814
PECOS Enrollment IDI20060417000135
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.

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

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

JACLYN THIESSEN
Radiology (Diagnostic Radiology)
OREGON HEALTH AND SCIENCE UNIVERSITY, 3181 SAM JACKSON PK RD., L340
PORTLAND, OR 97239
Multnomah County (503) 494-9000

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 Melissa Nyendak's NPI number?

The NPI number for Melissa Nyendak is 1851506299. It was assigned to this individual provider in the NPPES registry on May 11, 2007.

Where is Melissa Nyendak located?

Melissa Nyendak practices at Oregon Health And Science University 3181 SW Sam Jackson Park Road L457, Portland, OR 97239. The listed phone number is (503) 494-9000.

What is Melissa Nyendak's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Melissa Nyendak enrolled in Medicare?

Yes. Melissa Nyendak 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 Melissa Nyendak accept?

Health plans from BridgeSpan Health Company, PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Melissa Nyendak 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.

When was this NPI record last updated?

The NPPES record for Melissa Nyendak was last updated on August 7, 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.