ROBERT DAVID MULLEN M.D.
NPI 1003905217
Internal Medicine in Portland, OR
About Robert David Mullen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT DAVID MULLEN M.D. (NPI 1003905217) is an individual internal medicine provider in Portland, Oregon, licensed in Oregon (MD13715) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Legacy Emanuel Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
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
Robert David Mullen 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
2Medicare enrollment records show Robert Mullen reassigns Medicare billing to 2 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
- 676 clinicians in this Medicare group
Portland, OR 97232
- Reassigned Medicare billing, Oregon enrollment
- 719 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
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Legacy Emanuel Medical Center
Acute Care Hospitals · Portland, ORLegacy Good Samaritan Medical Center
Acute Care Hospitals · Portland, ORProvidence Portland Medical Center
Acute Care Hospitals · Portland, ORColumbia Memorial Hospital
Critical Access Hospitals · Astoria, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97212 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.
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 Robert Mullen's NPI number?
The NPI number for Robert Mullen is 1003905217. It was assigned to this individual provider in the NPPES registry on October 12, 2006.
Where is Robert Mullen located?
Robert Mullen practices at 2226 NE 31st Ave, Portland, OR 97212. The listed phone number is (503) 975-0344.
What is Robert Mullen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Robert Mullen enrolled in Medicare?
Yes. Robert Mullen 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 Robert Mullen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Mullen reassigns Medicare benefits to 2 organizations: Providence Health & Services - Oregon (Portland, OR) and Legacy Emanuel Hospital & Health Center (Portland, 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 Robert Mullen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Robert Mullen affiliated with any hospitals?
According to CMS data, Robert Mullen is affiliated with Legacy Emanuel Medical Center, Legacy Good Samaritan Medical Center, Providence Portland Medical Center and Columbia Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Robert Mullen was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Robert David Mullen, M.D. · NPI 1003905217
Internal Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since October 12, 2006.
## Identity
- **NPI:** 1003905217 (Entity type: Individual)
- **Enumerated:** October 12, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD13715 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 2226 NE 31ST AVE, Portland, OR 97212-5101
- **Phone:** (503) 975-0344
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Providence Health & Services - Oregon (NPI 1003991845, Portland, OR); Legacy Emanuel Hospital & Health Center (NPI 1003367491, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** August 12, 2025
- **Other identifiers:** Other 13715 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1003905217) · Data from the CMS NPPES public registry.