NPPES file of Aug 9, 2026

Deborah L. Frost, MD

Internal Medicine Physician · Milwaukie, OR

Deborah L. Frost, MD is an internal medicine physician with a practice address in Milwaukie, Oregon, and NPI 1427003888, issued on May 24, 2006. Check the license (Oregon MD26605, 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
1427003888
Name
Deborah L. Frost
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD26605 OR
Self-reported in NPPES; status is on the state search
Practice location
10330 SE 32ND Ave Ste 110, Milwaukie, OR 97222
Phone
(503) 513-1300
Enumerated
May 24, 2006
Record last updated
Oct 25, 2024
Medicaid ID
028243 OR
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 10330 SE 32ND Ave Ste 110

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

  1. Rhonda Brown, MDInternal Medicine Physician1083935787
  2. Ashley Chan, FNPFamily Nurse Practitioner1235692484
  3. Tia Delphina, RNRegistered Nurse1104503903
  4. Sara Hodel, BSN, RNRegistered Nurse1609544766
  5. Alexander Kollie, LPNLicensed Practical Nurse1073979712
  6. Christian Logerstedt, LCSWClinical Social Worker1356917249

Verify Deborah L. Frost in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD26605
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.2 times the Medicare Part D claims of the average internal medicine physician in 2024

10,294 Medicare Part D claims for 250 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 694 claims were for opioids.

  1. Deborah Frost10,294
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium387 claims
  2. Oxycodone Hcl356 claims
  3. Atorvastatin Calcium340 claims
  4. Omeprazole335 claims
  5. Gabapentin312 claims
  6. Memantine Hcl274 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.

Deborah L. Frost among 2,116 internal medicine physician records in Oregon

Deborah L. Frost, MD is one of 2,116 internal medicine 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 54% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

22 internal medicine physician records list a practice address in Milwaukie

They are 22 of the 1,998 NPPES records with a practice address in Milwaukie, and 2,116 internal medicine physician records in Oregon.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Rhonda Brown, MDMilwaukie, OR 972221083935787
  2. Gregory Camp, MDMilwaukie, OR 972221912122698
  3. Stacie Carney, MDMilwaukie, OR 972221154527042
  4. Swapna Chennareddygari, MBBSMilwaukie, OR 972221558565150
  5. Lisa Joyner, M.D.Milwaukie, OR 972221821216508
  6. David Maslen, MDMilwaukie, OR 972221033192521
  7. Dennis Mayer, MDMilwaukie, OR 972221235112723
  8. Petra Niemann, MDMilwaukie, OR 972221538115613

Common questions

What is Deborah L. Frost, MD's NPI number?

Deborah L. Frost, MD's National Provider Identifier (NPI) is 1427003888, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Deborah L. Frost, MD located?

The NPPES record lists a practice address at 10330 SE 32ND Ave Ste 110, Milwaukie, OR, 97222. Phone: (503) 513-1300. Providers update this record themselves, so call before visiting.

How can I verify Deborah L. Frost, MD's license?

NPPES lists Oregon license number MD26605, 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 Deborah L. Frost, MD prescribe under Medicare Part D?

In 2024, Deborah L. Frost, MD had 10,294 Medicare Part D claims for 250 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.