NPPES file of Aug 9, 2026

Grant Niskanen, MD

Family Medicine Physician · Klamath Falls, OR

Grant Niskanen, MD is a family medicine physician with a practice address in Klamath Falls, Oregon, and NPI 1801898358, issued on Aug 15, 2005. Check the license (Oregon MD18831, 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
1801898358
Name
Grant Niskanen
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD18831 OR
9782 NH
Self-reported in NPPES; status is on the state search
Practice location
2865 Daggett Ave., Klamath Falls, OR 97601
Phone
(541) 882-6311
Enumerated
Aug 15, 2005
Record last updated
Mar 7, 2023
Fax
(541) 882-6311
Medicaid IDs
006600 OR
30009720 NH
Medicare enrollment
Enrolled (PECOS I20080212000273); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 1992
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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Verify Grant Niskanen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD18831
    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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80% fewer Medicare Part D claims than the average family medicine physician in 2024

693 Medicare Part D claims for 178 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Grant Niskanen693
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium45 claims
  2. Losartan Potassium32 claims
  3. Omeprazole31 claims
  4. Levothyroxine Sodium24 claims
  5. Potassium Chloride23 claims
  6. Metformin Hcl17 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.

Bills Medicare through one group practice

  1. Sky Lakes Medical Center IncKlamath Falls, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Grant Niskanen among 2,847 family medicine physician records in Oregon

Grant Niskanen, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1992 · median 2009 among the 1,671 with a school on file
  • Record last updated2023 · 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 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

69 family medicine physician records list a practice address in Klamath Falls

They are 69 of the 1,946 NPPES records with a practice address in Klamath Falls, and 2,847 family medicine physician records in Oregon.

The 8 family medicine physician records with the nearest ZIP codes

  1. Kathleen Bakke, M.D.Klamath Falls, OR 976011306891189
  2. Carl Barbee, MDKlamath Falls, OR 976011790723658
  3. Charles Bury, MDKlamath Falls, OR 976011174511810
  4. James Calvert, MDKlamath Falls, OR 976011477578961
  5. Ralph Eccles, D.OKlamath Falls, OR 976011659304459
  6. Alden Glidden, M.D.Klamath Falls, OR 976011386691897
  7. Joyce Hollander-Rodriguez, MDKlamath Falls, OR 976011649219882
  8. Robert Jackman, MDKlamath Falls, OR 976011922047612

Common questions

What is Grant Niskanen, MD's NPI number?

Grant Niskanen, MD's National Provider Identifier (NPI) is 1801898358, issued on Aug 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Grant Niskanen, MD located?

The NPPES record lists a practice address at 2865 Daggett Ave., Klamath Falls, OR, 97601. Phone: (541) 882-6311. Providers update this record themselves, so call before visiting.

How can I verify Grant Niskanen, MD's license?

NPPES lists Oregon license number MD18831, 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 Grant Niskanen, MD prescribe under Medicare Part D?

In 2024, Grant Niskanen, MD had 693 Medicare Part D claims for 178 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.