DR. ANDREW JOHN MILLS M.D.
NPI 1710187489
Hospitalist in Portland, OR
About Dr. Andrew John Mills M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW JOHN MILLS M.D. (NPI 1710187489) is an individual hospitalist provider in Portland, Oregon, licensed in Oregon (MD28842) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Providence Portland Medical Center, and is a graduate of Oregon Health Sciences University School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Andrew John Mills 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.
Medicare Billing Reassignments
3Medicare enrollment records show Andrew Mills reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 1,501 clinicians in this Medicare group
Mt Hood, OR 97041
- Reassigned Medicare billing, Oregon enrollment
- Medicare enrollment name: Providence Health & Services Oregon
- 267 clinicians in this Medicare group
Cannon Beach, OR 97110
- Reassigned Medicare billing, Oregon enrollment
- 301 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence Portland Medical Center
Acute Care Hospitals · Portland, ORProvidence Milwaukie Hospital
Acute Care Hospitals · Milwaukie, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
PORTLAND, OR 97213
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 Andrew Mills's NPI number?
The NPI number for Andrew Mills is 1710187489. It was assigned to this individual provider in the NPPES registry on July 20, 2007.
Where is Andrew Mills located?
Andrew Mills practices at 4805 NE Glisan St Bg05, Portland, OR 97213. The listed phone number is (503) 215-2392.
What is Andrew Mills's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Andrew Mills enrolled in Medicare?
Yes. Andrew Mills 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.
Which organizations bill Medicare for Andrew Mills's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Mills reassigns Medicare benefits to 3 organizations: Providence Health & Services - Oregon (Portland, OR), Providence Hood River Memorial Hospital (Mt Hood, OR) and Providence Health & Services Oregon (Cannon Beach, OR). 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 Andrew Mills's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Andrew Mills affiliated with any hospitals?
According to CMS data, Andrew Mills is affiliated with Providence Portland Medical Center and Providence Milwaukie Hospital.
When was this NPI record last updated?
The NPPES record for Andrew Mills was last updated on March 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Andrew John Mills, M.D. · NPI 1710187489
Hospitalist physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since July 20, 2007.
## Identity
- **NPI:** 1710187489 (Entity type: Individual)
- **Enumerated:** July 20, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** MD28842 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 4805 NE GLISAN ST, BG05, Portland, OR 97213-2933
- **Phone:** (503) 215-2392 · **Fax:** (503) 215-6918
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Providence Health & Services - Oregon (NPI 1316197692, Portland, OR); Providence Hood River Memorial Hospital (NPI 1437355955, Mt Hood, OR); Providence Health & Services Oregon (NPI 1841756764, Cannon Beach, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** March 22, 2021
- **Other identifiers:** Medicaid 500605352 (OR); Other P00726510
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Source: [NPI Profile](https://npiprofile.com/npi/1710187489) · Data from the CMS NPPES public registry.