Frank Manley Warren, M.D.
Otology & Neurotology Physician · Portland, OR
Frank Manley Warren, M.D. is an otology & neurotology physician with a practice address in Portland, Oregon, and NPI 1780637363, issued on May 18, 2006. Check the license (Oregon MD28998, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Frank Manley Warren
- Credential
- M.D.
- Primary taxonomy
- Otology & Neurotology Physician 207YX0901X
- License number
- MD28998 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1815 SW Marlow Ave Ste 100, Portland, OR 97225
- Phone
- (503) 935-8100
- Enumerated
- May 18, 2006
- Record last updated
- Oct 14, 2025
- Fax
- (503) 935-8110
- Medicaid IDs
- 1780637363 WA
500621266 OR - Medicare enrollment
- Enrolled (PECOS I20100520000698); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
5 nearest otology & neurotology physician records → All 6 in Oregon → Look up another NPI →
Also registered at 1815 SW Marlow Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Neila Bell, AUDAudiologist1578456067
- Jennifer Brannon, AUDIOLOGISTAudiologist1104054238
- Jerae Bryant, AU.D.Audiologist1114751278
- Abigayle Callender, AU.D.Audiologist1477727667
- Kayla Eversole, PA-CPhysician Assistant1003420795
- Zipei Feng, MD, PHDOtolaryngology/Facial Plastic Surgery Physician1023368503
Verify Frank Manley Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD28998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average otology & neurotology physician in 2024
818 Medicare Part D claims for 204 beneficiaries, against an average of 409 among the 340 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 64 claims were for opioids.
Most prescribed
- Ondansetron Odt79 claims
- Triamterene-Hydrochlorothiazid64 claims
- Amoxicillin50 claims
- Hydrocodone-Acetaminophen47 claims
- Nortriptyline Hcl45 claims
- Prednisone37 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $126.88
1 payment: food and beverage; the largest payer was Cochlear Americas. The 283 providers of this specialty with any payment received $2,757.03 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Oregon Clinic, PCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Otology & Neurotology Physician providers in Oregon
There are 6 otology & neurotology physician records in Oregon.
All 6 in Oregon → Every provider in Portland → Otology & Neurotology Physician nationwide →
The 5 otology & neurotology physician records with the nearest ZIP codes
- Jay Gantz, M.D./PH.D.Portland, OR 972391629459300
- R Hodgson, MDPortland, OR 972101932109733
- Hyon Soo Harold Kim, MDPortland, OR 972101700924719
- Franklin Black, MDPortland, OR 972081700916509
- Maureen Mulcahy, M.D.Lake Oswego, OR 970351275539561
Common questions
What is Frank Manley Warren, M.D.'s NPI number?
Frank Manley Warren, M.D.'s National Provider Identifier (NPI) is 1780637363, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frank Manley Warren, M.D. located?
The NPPES record lists a practice address at 1815 SW Marlow Ave Ste 100, Portland, OR, 97225. Phone: (503) 935-8100. Providers update this record themselves, so call before visiting.
How can I verify Frank Manley Warren, M.D.'s license?
NPPES lists Oregon license number MD28998, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Frank Manley Warren, M.D. prescribe under Medicare Part D?
In 2024, Frank Manley Warren, M.D. had 818 Medicare Part D claims for 204 beneficiaries; the average among otology & neurotology physician prescribers was 409. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.