NPPES file of Aug 9, 2026

Kelly Ann Portnoff, M.D.

Rheumatology Physician · Portland, OR

Kelly Ann Portnoff, M.D. is a rheumatology physician with a practice address in Portland, Oregon, and NPI 1255422481, issued on Sep 26, 2006. Check the license (Oregon MD153938, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255422481
Name
Kelly Ann Portnoff
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License numbers
MD153938 OR
A067472 CA
Self-reported in NPPES; status is on the state search
Practice location
800 SW 13TH Ave, Portland, OR 97205
Phone
(503) 221-0161
Enumerated
Sep 26, 2006
Record last updated
Nov 17, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(503) 274-1697
Medicare enrollment
Enrolled (PECOS I20111004000569); accepts Medicare assignment
Medical or professional school
Northeastern Ohio University College Of Medicine, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 800 SW 13TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ronald Allen, D.O.Ophthalmology Physician1376516294
  2. Katelyn BoelPharmacist1598248072
  3. Matthew Bookwalter, DPMPodiatrist1285705038
  4. Alexander Bulochnik Shteynberg, PHARM.D., MBAAmbulatory Care Pharmacist1265936058
  5. Young Choi, M.D.Gastroenterology Physician1336122274
  6. Jeffrey Cleven, MDInternal Medicine Physician1144312323

Verify Kelly Ann Portnoff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD153938
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

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78% fewer Medicare Part D claims than the average rheumatology physician in 2024

444 Medicare Part D claims for 109 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.

  1. Kelly Portnoff444
  2. Specialty average1,978

Most prescribed

  1. Methotrexate103 claims
  2. Prednisone82 claims
  3. Alendronate Sodium56 claims
  4. Hydroxychloroquine Sulfate31 claims
  5. Allopurinol28 claims
  6. Folic Acid24 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: $81.91

4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kelly Portnoff$81.91
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Kelly Ann Portnoff among 101 rheumatology physician records in Oregon

Kelly Ann Portnoff, M.D. is one of 101 rheumatology physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 50% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1997 · median 2004 among the 65 with a school on file
  • Record last updated2020 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Oregon

There are 101 rheumatology physician records in Oregon.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Anne Vetto, MDPortland, OR 972041962532499
  2. Andre Barkhuizen, M.D.Portland, OR 972101982639480
  3. Howard Gandler, M.D.Portland, OR 972101164429130
  4. Kip Kemple, M.D.Portland, OR 972101295732261
  5. Rosario Bonafede, MDPortland, OR 972131730125667
  6. Stephen Campbell, MDPortland, OR 972131295771459
  7. Ronald Fraback, MDPortland, OR 972131639279250
  8. Sarah Lipton, M.D.Portland, OR 972131023229812

Common questions

What is Kelly Ann Portnoff, M.D.'s NPI number?

Kelly Ann Portnoff, M.D.'s National Provider Identifier (NPI) is 1255422481, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kelly Ann Portnoff, M.D. located?

The NPPES record lists a practice address at 800 SW 13TH Ave, Portland, OR, 97205. Phone: (503) 221-0161. Providers update this record themselves, so call before visiting.

How can I verify Kelly Ann Portnoff, M.D.'s license?

NPPES lists Oregon license number MD153938, 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 Kelly Ann Portnoff, M.D. prescribe under Medicare Part D?

In 2024, Kelly Ann Portnoff, M.D. had 444 Medicare Part D claims for 109 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.