Doctor profile · Federal record

Dr. Robert Mullen, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Portland, OR

  • NPI 1003905217
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
2226 Ne 31St Ave
Portland, OR 972125101
(503) 975-0344
Additional location
2801 N Gantenbein Ave
Portland, OR 972271623
(503) 413-2200
Additional location
5050 Ne Hoyt St Ste 203
Portland, OR 972132956

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
August 12, 2025
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Oregon #MD13715

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003905217. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
463
Distinct HCPCS
1
Medicare allowed
$3,834
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 463 355 $8

In context: peer comparison

Among 209 peers in Portland Internal Medicine Physician, average services per provider: 60. This provider delivers 7.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Mullen's medical specialty?
Dr. Robert Mullen practices Internal Medicine Physician in Portland, OR.
Where does Dr. Robert Mullen practice?
Dr. Robert Mullen practices at 2226 Ne 31St Ave, Portland, OR 972125101. Office phone: 5039750344.
What is Dr. Robert Mullen's NPI?
Dr. Robert Mullen's National Provider Identifier (NPI) is 1003905217, issued by NPPES.
Does Dr. Robert Mullen accept Medicare assignment?
Yes. Dr. Robert Mullen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Mullen commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.