1. Home
  2. Directory
  3. Oregon
  4. Portland
  5. Internal Medicine
  6. NPI Profile

CARL ANTHONY RIDDICK M.D.
NPI 1093751372
Internal Medicine - Pulmonary Disease in Portland, OR

Active since June 22, 2006PECOS Enrolled
9427 SW BARNES RD STE 296, PORTLAND, OR 97225(503) 297-3778(503) 297-7853 Get Directions Write a Review

NPPES record last updated: November 23, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 23, 2021, Feb 11, 2019, Mar 24, 2016 (3 updates tracked since 2016).

About Carl Anthony Riddick M.d. NPPES

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

CARL ANTHONY RIDDICK M.D. (NPI 1093751372) is an individual pulmonary disease provider in Portland, Oregon, licensed in Oregon (MD20646) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1093751372
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameCARL ANTHONY RIDDICKCredential: M.D.
Location Address9427 SW BARNES RD STE 296Portland, OR 97225-6667
Mailing Address847 Ne 19th Ave, Suite 300Portland, OR 97232-2684 · (503) 963-2801 · Fax (503) 963-2825
Phone(503) 297-3778
Fax(503) 297-7853
Sole ProprietorNo
Enumeration DateJune 22, 2006
Last NPPES UpdateNovember 23, 20213 updates tracked since enumeration
NPPES CertifiedNovember 23, 2021
✔ NPI 1093751372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in OR · MD20646
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License MD20646 (OR)
9427 SW BARNES RD STE 296, Portland, OR 97225
Open in Google Maps ↗

Secondary Practice Locations 3

Location 116770 SW Edy Rd Ste 216Sherwood, OR 97140-9679 · Phone (503) 297-3778 · Fax (503) 297-7853
Location 2879 Providence DrNewberg, OR 97132-7563 · Phone (503) 297-3778 · Fax (503) 297-7853
Location 319250 SW 65th Ave Ste 135Tualatin, OR 97062-7745 · Phone (503) 692-8560 · Fax (503) 692-8562

Other Identifiers 2

Medicaid150111OR
Medicaid2017144WA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carl Anthony Riddick M.d. 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.

Medicare Billing Reassignments

5

Medicare enrollment records show Carl Riddick reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Health & Services - Oregon
0.1 mi
General Acute Care Hospital
9205 SW BARNES RD
Portland, OR 97225
  • Reassigned Medicare billing, Oregon enrollment
  • 753 clinicians in this Medicare group
NPI 1114015971 (503) 451-3000
Legacy Meridian Park Hospital
9.2 mi
Hospitalist
19300 SW 65TH AVE
Tualatin, OR 97062
  • Reassigned Medicare billing, Oregon enrollment
  • 218 clinicians in this Medicare group
NPI 1023305034 (503) 692-1212
Providence Health & Services - Oregon
16 mi
Clinical Pathology
1001 PROVIDENCE DR
Newberg, OR 97132
  • Reassigned Medicare billing, Oregon enrollment
  • 198 clinicians in this Medicare group
NPI 1174074868 (503) 537-1555
Providence Health & Services - Oregon
219 mi
Clinic/Center
1111 CRATER LAKE AVE
Medford, OR 97504
  • Reassigned Medicare billing, Oregon enrollment
  • 311 clinicians in this Medicare group
NPI 1093976243 (541) 732-5250
Sound Physicians Intensivists Of Washington PLLC
295 mi
Critical Care Medicine
101 W 8TH AVE
Spokane, WA 99204
  • Reassigned Medicare billing, Oregon enrollment
  • 82 clinicians in this Medicare group
NPI 1528582699 (507) 474-3131

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 11

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

JULIETTE LOUISE WAIT MD
Internal Medicine (Pulmonary Disease)
9427 SW BARNES RD STE 296
PORTLAND, OR 97225
Washington County (503) 297-3778
CANDACE NICOLE MEINEN D.O
Internal Medicine (Sleep Medicine)
9427 SW BARNES RD STE 296
PORTLAND, OR 97225
Washington County (503) 297-3778
ASHA NARASIMHAN CHESNUTT MD
Internal Medicine (Pulmonary Disease)
9427 SW BARNES RD STE 296
PORTLAND, OR 97225
Washington County (503) 297-3778
STEPHEN TENG-YIP YAU M.D.
Internal Medicine (Pulmonary Disease)
9427 SW BARNES RD STE 296
PORTLAND, OR 97225
Washington County (503) 297-3778
OREGON CLINIC PC
Durable Medical Equipment & Medical Supplies
9427 SW BARNES RD STE 296
PORTLAND, OR 97225
Washington County (503) 297-3778
JANIS LEIGH DENNING PAC
Physician Assistant
9427 SW BARNES RD STE 296
PORTLAND, OR 97225
Washington County (503) 297-3778
CRYSTAL ANN DURAN MD
Internal Medicine (Pulmonary Disease)
9427 SW BARNES RD STE 296
PORTLAND, OR 97225
Washington County (503) 297-3778
GREGORY ROBERT FLICK M.D.
Internal Medicine (Pulmonary Disease)
9427 SW BARNES RD STE 296
PORTLAND, OR 97225
Washington County (503) 297-3778

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 Carl Riddick's NPI number?

The NPI number for Carl Riddick is 1093751372. It was assigned to this individual provider in the NPPES registry on June 22, 2006.

Where is Carl Riddick located?

Carl Riddick practices at 9427 SW Barnes Rd Ste 296, Portland, OR 97225. The listed phone number is (503) 297-3778.

What is Carl Riddick's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Carl Riddick enrolled in Medicare?

Yes. Carl Riddick is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Carl Riddick's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carl Riddick reassigns Medicare benefits to 5 organizations: Providence Health & Services - Oregon (Portland, OR), Legacy Meridian Park Hospital (Tualatin, OR), Providence Health & Services - Oregon (Newberg, OR), Providence Health & Services - Oregon (Medford, OR) and Sound Physicians Intensivists Of Washington PLLC (Spokane, WA). 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 Carl Riddick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Carl Riddick was last updated on November 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.