NPPES file of Aug 9, 2026

Douglas Reed Grossnickle, MD

Geriatric Medicine (Internal Medicine) Physician · Portland, OR

Douglas Reed Grossnickle, MD is a geriatric medicine (internal medicine) physician with a practice address in Portland, Oregon, and NPI 1669418810, issued on Jun 22, 2006. Check the license (Oregon MD13084, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669418810
Name
Douglas Reed Grossnickle
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
MD13084 OR
Self-reported in NPPES; status is on the state search
Practice location
10373 NE Hancock, Portland, OR 97220
Phone
(503) 775-7407
Enumerated
Jun 22, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(503) 775-1547
Medicaid ID
264119 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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Verify Douglas Reed Grossnickle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD13084
    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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99% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

56 Medicare Part D claims, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.

  1. Douglas Grossnickle56
  2. Specialty average4,246

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 86 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score77.8
  2. Costout of 100 · 30%74.2
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Douglas Reed Grossnickle among 67 geriatric medicine (internal medicine) physician records in Oregon

Douglas Reed Grossnickle, MD is one of 67 geriatric medicine (internal medicine) physician records with a practice address in Oregon. 61% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 40% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 36% of these records are
  • Record last updated2007 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Oregon

There are 67 geriatric medicine (internal medicine) physician records in Oregon.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Thomas Harburg, M.D.Portland, OR 972201659384022
  2. Hiromi ComerPortland, OR 972231598534877
  3. Kathleen Farrell, D.O.Portland, OR 972151720051998
  4. Bj Scott, M.D.Portland, OR 972251407892185
  5. Maureen Bruns, MDPortland, OR 972131588045702
  6. Margaret George, M.D.Portland, OR 972271679687149
  7. Marian Hodges, MDPortland, OR 972131265515456
  8. Paul Gowen, MDPortland, OR 972121609892736

Common questions

What is Douglas Reed Grossnickle, MD's NPI number?

Douglas Reed Grossnickle, MD's National Provider Identifier (NPI) is 1669418810, issued on Jun 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Douglas Reed Grossnickle, MD located?

The NPPES record lists a practice address at 10373 NE Hancock, Portland, OR, 97220. Phone: (503) 775-7407. Providers update this record themselves, so call before visiting.

How can I verify Douglas Reed Grossnickle, MD's license?

NPPES lists Oregon license number MD13084, 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 Douglas Reed Grossnickle, MD prescribe under Medicare Part D?

In 2024, Douglas Reed Grossnickle, MD had 56 Medicare Part D claims; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.

What is Douglas Reed Grossnickle, MD's MIPS final score?

The 2023 MIPS final score is 86 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.