Doctor profile · Federal record

Dr. Frank Warren, M.D.

Otology & Neurotology Physician (CMS: Otolaryngology) · Portland, OR

  • NPI 1780637363
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1815 Sw Marlow Ave Ste 100
Portland, OR 972255185
(503) 935-8100
fax (503) 935-8110
Additional location
5920 Ne Ray Cir Ste 220
Hillsboro, OR 971246313
Mailing address
541 Ne 20Th Ave Ste 225
Portland, OR 972322895

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
October 14, 2025
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207YX0901X — NUCC code
State license (1)
Oregon #MD28998
Medicaid (2)
WA #1780637363 · OR #500621266

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780637363. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
315
Distinct HCPCS
8
Medicare allowed
$46,195
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 131 86 $92
99214 Established patient office or other outpatient visit, 30-39 minutes 69 62 $129
69220 Simple removal of skin debris and drainage of mastoid cavity 41 19 $91
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $169
99212 Established patient office or other outpatient visit, 10-19 minutes 16 13 $58
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $114
69930 Insertion of cochlear device 14 14 $1,119
92504 Exam of ear using a microscope 12 12 $31

In context: peer comparison

Among 3 peers in Portland Otology & Neurotology Physician, average services per provider: 52. This provider delivers 6.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$127
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Cochlear Americas 1 $126.88

By nature of payment

Food and Beverage
$127

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
373
Patients
206
Total drug cost
$4,259
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 70 64 $883
Amoxicillin Generic 56 53 $147
Triamterene-Hydrochlorothiazid (Triamterene/Hydrochlorothiazid) Brand 31 12 $321
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 30 29 $239
Potassium Chloride Generic 30 0 $422
Fluticasone Propionate Generic 25 0 $433
Prednisone Generic 25 14 $193
Oxycodone Hcl Generic 22 22 $112
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 19 12 $454
Hydrochlorothiazide Generic 14 0 $63

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Frank Warren's medical specialty?
Dr. Frank Warren practices Otology & Neurotology Physician in Portland, OR.
Where does Dr. Frank Warren practice?
Dr. Frank Warren practices at 1815 Sw Marlow Ave Ste 100, Portland, OR 972255185. Office phone: 5039358100.
What is Dr. Frank Warren's NPI?
Dr. Frank Warren's National Provider Identifier (NPI) is 1780637363, issued by NPPES.
Does Dr. Frank Warren accept Medicare assignment?
Yes. Dr. Frank Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Frank Warren commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Simple removal of skin debris and drainage of mastoid cavity (HCPCS 69220). Source: CMS Medicare Physician & Other Practitioners file.