DR. MARK LELAND MILLER MD
NPI 1053576215
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in Portland, OR

Q: What is Mark Miller's NPI number?

The NPI number for Mark Miller is 1053576215. It was assigned to this individual provider in the NPPES registry on July 26, 2008.

Q: What is Mark Miller's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.

Q: When was this NPI record last updated?

The NPPES record for Mark Miller was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since July 26, 2008PECOS EnrolledAccepts Medicare Assignment

3101 SW SAM JACKSON PARK RD STE 1B, PORTLAND, OR 97239(503) 221-3424(503) 221-3490 Get Directions Write a Review

NPPES record last updated: April 30, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 30, 2026, Mar 13, 2026, Apr 25, 2024 and 5 more (8 updates tracked since 2015).

On this page

About Dr. Mark Leland Miller Md NPPES

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

DR. MARK LELAND MILLER MD (NPI 1053576215) is an individual pediatric orthopaedic surgery provider in Portland, Oregon, licensed in Oregon (MD229197) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Missouri Baptist Medical Center, and is a graduate of Harvard Medical School (2008).

NPPES Registry Identity

NPI1053576215

Entity TypeIndividualMale

Primary Taxonomy207XP3100X

Provider Legal NameDR. MARK LELAND MILLERCredential: MD

Location Address3101 SW SAM JACKSON PARK RD STE 1BPortland, OR 97239-3095

Mailing Address3101 Sw Sam Jackson Park RdPortland, OR 97239-3095 · (503) 221-3424 · Fax (503) 221-3490

Phone(503) 221-3424

Fax(503) 221-3490

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 2008

Enumeration DateJuly 26, 2008

Last NPPES UpdateApril 30, 20268 updates tracked since enumeration

NPPES CertifiedApril 30, 2026

✔ NPI 1053576215 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Pediatric Orthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207XP3100X

License✔ Licensed in OR · MD229197

Definition

An orthopedic surgeon who has additional training and experience in diagnosing, treating and managing musculoskeletal problems in infants, children and adolescents. These may include limb and spine deformities (such as club foot, scoliosis); gait abnormalities (limping); bone and joint infections; broken bones.

Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License MD229197 (OR)

3101 SW SAM JACKSON PARK RD STE 1B, Portland, OR 97239

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware and more.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. Mark Leland Miller 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 ID547493546

PECOS Enrollment IDI20260406001439

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.

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260108

Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County

Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier17 claims17 services$16.64 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier18 claims18 services$86.63 avg. paid by Medicare

Standard hemi (low seat) wheelchair K0002

DME-Wheelchairs · category DD000N

1 supplier22 claims22 services$28.44 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Mark Miller's NPI number?

The NPI number for Mark Miller is 1053576215. It was assigned to this individual provider in the NPPES registry on July 26, 2008.

Where is Mark Miller located?

Mark Miller practices at 3101 SW Sam Jackson Park Rd Ste 1B, Portland, OR 97239. The listed phone number is (503) 221-3424.

What is Mark Miller's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.

Is Mark Miller enrolled in Medicare?

Yes. Mark Miller 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 Mark Miller accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Cox HealthPlans and Medica list Mark Miller 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 Mark Miller affiliated with any hospitals?

According to CMS data, Mark Miller is affiliated with Missouri Baptist Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Miller was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.