DR. FRANK MANLEY WARREN III M.D.
NPI 1780637363
Otolaryngology - Otology & Neurotology in Portland, OR

Active since May 18, 2006PECOS EnrolledAccepts Medicare Assignment
1815 SW MARLOW AVE STE 100, PORTLAND, OR 97225(503) 935-8100(503) 935-8110 Get Directions Write a Review

NPPES record last updated: October 14, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 22, 2023, Nov 24, 2021 (2 updates tracked since 2021).

About Dr. Frank Manley Warren Iii M.d. NPPES

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

DR. FRANK MANLEY WARREN III M.D. (NPI 1780637363) is an individual otology & neurotology provider in Portland, Oregon, licensed in Oregon (MD28998) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and is a graduate of Oregon Health Sciences University School Of Medicine (1999).

NPPES Registry Identity

NPI1780637363
Entity TypeIndividualMale
Primary Taxonomy207YX0901X
Provider Legal NameDR. FRANK MANLEY WARREN IIICredential: M.D.
Location Address1815 SW MARLOW AVE STE 100Portland, OR 97225-5185
Mailing Address541 Ne 20th Ave Ste 225Portland, OR 97232-2895 · (503) 963-2801 · Fax (503) 963-2825
Fax(503) 935-8110
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 1999
Enumeration DateMay 18, 2006
Last NPPES UpdateOctober 14, 20252 updates tracked since enumeration
NPPES CertifiedOctober 14, 2025
NPI 1780637363 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOtolaryngology · Otology & NeurotologyAllopathic & Osteopathic Physicians
Taxonomy Code207YX0901X
License Licensed in OR · MD28998
Definition
An otolaryngologist who treats diseases of the ear and temporal bone, including disorders of hearing and balance. The additional training in otology and neurotology emphasizes the study of embryology, anatomy, physiology, epidemiology, pathophysiology, pathology, genetics, immunology, microbiology and the etiology of diseases of the ear and temporal bone.
1815 SW MARLOW AVE STE 100, Portland, OR 97225

Other Identifiers 2

Medicaid1780637363WA
Medicaid500621266OR

Accepted 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. Frank Manley Warren Iii 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.

PECOS PAC ID2961405105
PECOS Enrollment IDI20100520000698
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.

Areas of Expertise CMS Part B claims 8

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
178 services108 patients
Simple removal of skin debris and drainage of mastoid cavity 69220
This procedure involves clearing out skin debris and draining fluid from the mastoid cavity, an air-filled space in the skull behind the ear. It's done to relieve discomfort, improve hearing, and prevent complications related to ear infections or other conditions.
39 services17 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
36 services32 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
30 services30 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
27 services27 patients
Exam of ear using a microscope 92504
An exam of the ear using a microscope allows a detailed view of the ear structures. This non-invasive procedure helps identify issues such as infections, blockages, or ear damage. It's a safe, quick, and painless way to evaluate ear health.
21 services21 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence St Vincent Medical Center

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380004
Location9205 SW Barnes RoadPortland, OR 97225 · Washington County
Emergency services Birthing friendly

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Legacy Good Samaritan Medical Center

Acute Care Hospitals · Portland, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380017
Location1015 NW 22nd Avenue, W121Portland, OR 97210 · Multnomah County
Emergency services Birthing friendly

Providence Portland Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380061
Location4805 NE Glisan StreetPortland, OR 97213 · Multnomah County
Emergency services Birthing friendly

Providence Hood River Memorial Hospital

Critical Access Hospitals · Hood River, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number381318
Location810 12th StreetHood River, OR 97031 · Hood River County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
1815 SW MARLOW AVE STE 100
PORTLAND, OR 97225
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
1815 SW MARLOW AVE STE 100
PORTLAND, OR 97225
Nurse Practitioner (Family)
1815 SW MARLOW AVE STE 100
PORTLAND, OR 97225
Otolaryngology
1815 SW MARLOW AVE STE 100
PORTLAND, OR 97225
Otolaryngology
1815 SW MARLOW AVE STE 100
PORTLAND, OR 97225
Audiologist
1815 SW MARLOW AVE STE 100
PORTLAND, OR 97225
Audiologist
1815 SW MARLOW AVE STE 100
PORTLAND, OR 97225
Audiologist
1815 SW MARLOW AVE STE 100
PORTLAND, OR 97225

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 Frank Warren's NPI number?

The NPI number for Frank Warren is 1780637363. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Frank Warren located?

Frank Warren practices at 1815 SW Marlow Ave Ste 100, Portland, OR 97225. The listed phone number is (503) 935-8100.

What is Frank Warren's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otology & Neurotology, with taxonomy code 207YX0901X.

Is Frank Warren enrolled in Medicare?

Yes. Frank Warren 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 Frank Warren accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Frank Warren 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 Frank Warren affiliated with any hospitals?

According to CMS data, Frank Warren is affiliated with Providence St Vincent Medical Center, Ohsu Hospital And Clinics, Legacy Good Samaritan Medical Center, Providence Portland Medical Center and Providence Hood River Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Frank Warren was last updated on October 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.