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DR. CHARLES RALPH MUELLER M.D.
NPI 1952349177
Surgery in Portland, OR

Active since June 02, 2006PECOS EnrolledAccepts Medicare Assignment
501 N GRAHAM ST STE 555, PORTLAND, OR 97227(503) 288-7535(503) 288-7538 Get Directions Write a Review

NPPES record last updated: December 5, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 5, 2023, Nov 29, 2021 (2 updates tracked since 2021).

About Dr. Charles Ralph Mueller M.d. NPPES

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

DR. CHARLES RALPH MUELLER M.D. (NPI 1952349177) is an individual surgery provider in Portland, Oregon, licensed in Oregon (MD15681) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Legacy Emanuel Medical Center, and is a graduate of University Of California, Irvine, California College Of Medicine (1987).

NPPES Registry Identity

NPI1952349177
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. CHARLES RALPH MUELLERCredential: M.D.
Location Address501 N GRAHAM ST STE 555Portland, OR 97227-2007
Mailing Address541 Ne 20th Ave Ste 225Portland, OR 97232-2895 · (503) 963-2801 · Fax (503) 963-2825
Phone(503) 288-7535
Fax(503) 288-7538
Sole ProprietorNo
Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 1987
Enumeration DateJune 2, 2006
Last NPPES UpdateDecember 5, 20232 updates tracked since enumeration
NPPES CertifiedDecember 5, 2023
✔ NPI 1952349177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in OR · MD15681
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
501 N GRAHAM ST STE 555, Portland, OR 97227
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Other Identifiers 2

Medicaid500667564OR
Medicaid1952349177WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., 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. Charles Ralph Mueller 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 ID7012948706
PECOS Enrollment IDI20140507002278
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.

Areas of Expertise CMS Part B claims

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 straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
56 services19 patients

Hospital Affiliations CMS Care Compare

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

Legacy Emanuel Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380007
Location2801 N Gantenbein AvenuePortland, OR 97227 · Multnomah County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97227 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
$90.51 typical visit price
range $58.99 – $176.88
Typical copayment $22.62 (range $14.74 – $44.22)
Most-billed visit code 99203
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
Most-billed visit code 99213
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 5

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

THERESA MCSHERRY FNP
Nurse Practitioner (Family)
501 N GRAHAM ST STE 555
PORTLAND, OR 97227
Multnomah County (503) 288-7535
JAMES TIMOTHY ELLIS DO
Surgery
501 N GRAHAM ST STE 555
PORTLAND, OR 97227
Multnomah County (503) 288-7535
SHELBY DAVIS
Physician Assistant
501 N GRAHAM ST STE 555
PORTLAND, OR 97227
Multnomah County (503) 288-7535
NIKNAM NMI ESHRAGHI M.D.
Surgery
501 N GRAHAM ST STE 555
PORTLAND, OR 97227
Multnomah County (503) 288-7535
MARK THOMAS MD
Surgery
501 N GRAHAM ST STE 555
PORTLAND, OR 97227
Multnomah County (503) 288-7535

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 Charles Mueller's NPI number?

The NPI number for Charles Mueller is 1952349177. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Charles Mueller located?

Charles Mueller practices at 501 N Graham St Ste 555, Portland, OR 97227. The listed phone number is (503) 288-7535.

What is Charles Mueller's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Charles Mueller enrolled in Medicare?

Yes. Charles Mueller 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 Charles Mueller accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc. and Regence BlueCross BlueShield of Oregon list Charles Mueller 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 Charles Mueller affiliated with any hospitals?

According to CMS data, Charles Mueller is affiliated with Legacy Emanuel Medical Center.

When was this NPI record last updated?

The NPPES record for Charles Mueller was last updated on December 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.