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DR. DAVID CHARLES MERZ MD, PHD
NPI 1598725640
Internal Medicine - Infectious Disease in Portland, OR

Active since March 24, 2006PECOS Enrolled
10201 SE MAIN ST STE 29, PORTLAND, OR 97216(503) 261-6028(503) 261-6725 Get Directions Write a Review

NPPES record last updated: September 14, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. David Charles Merz Md, Phd NPPES

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

DR. DAVID CHARLES MERZ MD, PHD (NPI 1598725640) is an individual infectious disease provider in Portland, Oregon, licensed in Oregon (MD205805) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Marquette.

NPPES Registry Identity

NPI1598725640
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. DAVID CHARLES MERZCredential: MD, PHD
Location Address10201 SE MAIN ST STE 29Portland, OR 97216-2937
Mailing Address5003 S Miami BlvdDurham, NC 27703-8588 · (954) 837-2361
Phone(503) 261-6028
Fax(503) 261-6725
Sole ProprietorNo
Enumeration DateMarch 24, 2006
Last NPPES UpdateSeptember 14, 2021
NPPES CertifiedSeptember 14, 2021
✔ NPI 1598725640 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses✔ Licensed in OR · MD205805✔ Licensed in SC · 29529✔ Licensed in IN · 01039122✔ Licensed in MI · 4301049222
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.

10201 SE MAIN ST STE 29, Portland, OR 97216
Open in Google Maps ↗

Secondary Practice Location 1

Location 11414 W Fair Ave, Suite 344Marquette, MI 49855-2675 · Phone (906) 225-3910 · Fax (906) 225-7498

Other Identifiers 2

Medicaid295291SC
Medicaid100361910IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. David Charles Merz Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 97216 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 7

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

MRS. VALERIE WARNER LANHAM LICSW
Social Worker (Clinical)
10201 SE MAIN ST STE 29
PORTLAND, OR 97216
Multnomah County (503) 261-4475
STEPHANIE A DEWES PA-C
Physician Assistant
10201 SE MAIN ST STE 29
PORTLAND, OR 97216
Multnomah County (503) 261-4475
LUCAS EBERHARDT DE MASTER, PSYD, LLC
Psychologist (Clinical)
10201 SE MAIN ST STE 29
PORTLAND, OR 97216
Multnomah County (971) 220-5993
CHLOE BRANDOW MANCHESTER D.O.
Internal Medicine (Sleep Medicine)
10201 SE MAIN ST STE 29
PORTLAND, OR 97216
Multnomah County (503) 261-4475
DR. LUCAS EBERHARDT DE MASTER PSY.D.
Psychologist (Clinical)
10201 SE MAIN ST STE 29
PORTLAND, OR 97216
Multnomah County (503) 740-1971
THERESA M BUCKLEY M.D.
Psychiatry & Neurology (Sleep Medicine)
10201 SE MAIN ST STE 29
PORTLAND, OR 97216
Multnomah County (503) 261-4475
DR. CHAD CAMERON HAGEN M.D.
Psychiatry & Neurology (Sleep Medicine)
10201 SE MAIN ST STE 29
PORTLAND, OR 97216
Multnomah County (503) 261-4475

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 David Merz's NPI number?

The NPI number for David Merz is 1598725640. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is David Merz located?

David Merz practices at 10201 SE Main St Ste 29, Portland, OR 97216. The listed phone number is (503) 261-6028.

What is David Merz's specialty?

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

Is David Merz enrolled in Medicare?

Yes. David Merz is registered in the Medicare PECOS enrollment system.

What insurance does David Merz accept?

Health plans from Medica list David Merz 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 David Merz was last updated on September 14, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.