Sarah Ann Mullen Keffer, MD
Dermatology Physician · Portland, OR
Sarah Ann Mullen Keffer, MD is a dermatology physician with a practice address in Portland, Oregon, and NPI 1891547634, issued on Apr 4, 2024. Check the license (Oregon PG225988, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sarah Ann Mullen Keffer
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- PG225988 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3303 S Bond Ave, Portland, OR 97239
- Phone
- (503) 418-3376
- Enumerated
- Apr 4, 2024
- Record last updated
- Mar 8, 2026
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 209 in Oregon → Look up another NPI →
Also registered at 3303 S Bond Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sarah Ann Mullen Keffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license PG225988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average dermatology physician in 2024
18 Medicare Part D claims for 14 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
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.
Sarah Ann Mullen Keffer among 209 dermatology physician records in Oregon
Sarah Ann Mullen Keffer, MD is one of 209 dermatology physician records with a practice address in Oregon. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than over 99% of them.
- NPI issued2024 · over 99% of these records are older, under 1% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Oregon
There are 209 dermatology physician records in Oregon.
All 209 in Oregon → Every provider in Portland → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Samuel Bremmer, M.D.Portland, OR 972391053553321
- Nicole Fett, MDPortland, OR 972391184682437
- Tracy Funk, MDPortland, OR 972391053536268
- Teri Greiling, MD, PHDPortland, OR 972391609168913
- Jon Hanifin, MDPortland, OR 972391336157882
- Rajan Kulkarni, M.D.Portland, OR 972391902040777
- Sabra Leitenberger, M.D.Portland, OR 972391528250727
- Lynne Morrison, MDPortland, OR 972391174538664
Common questions
What is Sarah Ann Mullen Keffer, MD's NPI number?
Sarah Ann Mullen Keffer, MD's National Provider Identifier (NPI) is 1891547634, issued on Apr 4, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Ann Mullen Keffer, MD located?
The NPPES record lists a practice address at 3303 S Bond Ave, Portland, OR, 97239. Phone: (503) 418-3376. Providers update this record themselves, so call before visiting.
How can I verify Sarah Ann Mullen Keffer, MD's license?
NPPES lists Oregon license number PG225988, 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 Sarah Ann Mullen Keffer, MD prescribe under Medicare Part D?
In 2024, Sarah Ann Mullen Keffer, MD had 18 Medicare Part D claims for 14 beneficiaries; the average among dermatology physician prescribers was 797. 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.