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MICHAEL J KNAPP MD
NPI 1598409724
Internal Medicine in Portland, OR

Active since April 25, 2022PECOS EnrolledAccepts Medicare Assignment
9205 SW BARNES RD, PORTLAND, OR 97225(503) 216-2906 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 10, 2025, Apr 25, 2022 (2 updates tracked since 2022).

About Michael J Knapp Md NPPES

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

MICHAEL J KNAPP MD (NPI 1598409724) is an individual internal medicine provider in Portland, Oregon, licensed in Oregon (MD225242) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and is a graduate of Oregon Health Sciences University School Of Medicine (2022).

NPPES Registry Identity

NPI1598409724
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL J KNAPPCredential: MD
Location Address9205 SW BARNES RDPortland, OR 97225-6603
Mailing AddressPo Box 3158Portland, OR 97208-3158 · (503) 215-6494
Phone(503) 216-2906
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2022
Enumeration DateApril 25, 2022
Last NPPES UpdateSeptember 10, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2025
✔ NPI 1598409724 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OR · MD225242
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.
9205 SW BARNES RD, Portland, OR 97225
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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

Michael J Knapp 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 ID5799164695
PECOS Enrollment IDI20250908003049
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.

Hospital Affiliations CMS Care Compare

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

Providence St Vincent Medical Center

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380004
Location9205 SW Barnes RoadPortland, OR 97225 · Washington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97225 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.

DR. VICTOR NGUYEN PHAM M.D.
Hospitalist
9205 SW BARNES RD
PORTLAND, OR 97225
Washington County (503) 216-2906
YEVGENY BULOCHNIK PHARMD
Pharmacist
9205 SW BARNES RD
PORTLAND, OR 97225
Washington County (503) 216-3299
MR. DANIEL PAUL ADDY C.R.N.A.
Nurse Anesthetist, Certified Registered
9205 SW BARNES RD
PORTLAND, OR 97225
Washington County (503) 216-1234
MR. JONATHAN DAVID CAULLEY PT
Physical Therapist
9205 SW BARNES RD
PORTLAND, OR 97225
Washington County (503) 216-2610
EMILY ECHTENKAMP LCSW, CADC III, MAC
Counselor (Mental Health)
9205 SW BARNES RD
PORTLAND, OR 97225
Washington County (503) 216-1234
BRIAN J KEARNS MD
Hospitalist
9205 SW BARNES RD
PORTLAND, OR 97225
Washington County (503) 216-2906
DR. JAMES S PUTNAM MD
Radiology (Vascular & Interventional Radiology)
9205 SW BARNES RD
PORTLAND, OR 97225
Washington County (503) 216-4830
MATTHEW CARSTENS FRANK M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
9205 SW BARNES RD
PORTLAND, OR 97225
Washington County (303) 859-4275

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 Michael Knapp's NPI number?

The NPI number for Michael Knapp is 1598409724. It was assigned to this individual provider in the NPPES registry on April 25, 2022.

Where is Michael Knapp located?

Michael Knapp practices at 9205 SW Barnes Rd, Portland, OR 97225. The listed phone number is (503) 216-2906.

What is Michael Knapp's specialty?

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

Is Michael Knapp enrolled in Medicare?

Yes. Michael Knapp 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.

Is Michael Knapp affiliated with any hospitals?

According to CMS data, Michael Knapp is affiliated with Providence St Vincent Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Knapp was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.