Gerald L. Knouf, MD
Family Medicine Physician · Lewiston, ID
Gerald L. Knouf, MD is a family medicine physician with a practice address in Lewiston, Idaho, and NPI 1609989359, issued on Aug 16, 2006. Check the license (Idaho M5074, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Gerald L. Knouf
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- M5074 ID
ME156986 FL
Self-reported in NPPES; status is on the state search - Practice location
- 415 6TH St, Lewiston, ID 83501
- Phone
- (208) 750-7300
- Enumerated
- Aug 16, 2006
- Record last updated
- Feb 22, 2024
- Fax
- (208) 746-4899
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,316 in Idaho → Look up another NPI →
Also registered at 415 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gerald L. Knouf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M5074Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average family medicine physician in 2024
939 Medicare Part D claims for 242 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium85 claims
- Albuterol Sulfate Hfa36 claims
- Losartan Potassium31 claims
- Omeprazole31 claims
- Levothyroxine Sodium30 claims
- Amlodipine Besylate29 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.
Gerald L. Knouf among 1,316 family medicine physician records in Idaho
Gerald L. Knouf, MD is one of 1,316 family medicine physician records with a practice address in Idaho. 78% 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, 57% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2024 · 49% 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 Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 family medicine physician records list a practice address in Lewiston
They are 21 of the 764 NPPES records with a practice address in Lewiston, and 1,316 family medicine physician records in Idaho.
All 1,316 in Idaho → Every provider in Lewiston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michael Baldeck, D.O.Lewiston, ID 835011669428967
- Michael Blue, DOLewiston, ID 835011558309393
- Donald Greggain, M.D.Lewiston, ID 835011154328052
- Larry Harries, MDLewiston, ID 835011033105994
- Frances Hedrick, MDLewiston, ID 835011972694438
- Christopher Iacobelli, MDLewiston, ID 835011649295866
- Glenn Jefferson, MDLewiston, ID 835011326121286
- Richard Leon, MDLewiston, ID 835011972562841
Common questions
What is Gerald L. Knouf, MD's NPI number?
Gerald L. Knouf, MD's National Provider Identifier (NPI) is 1609989359, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gerald L. Knouf, MD located?
The NPPES record lists a practice address at 415 6TH St, Lewiston, ID, 83501. Phone: (208) 750-7300. Providers update this record themselves, so call before visiting.
How can I verify Gerald L. Knouf, MD's license?
NPPES lists Idaho license number M5074, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gerald L. Knouf, MD prescribe under Medicare Part D?
In 2024, Gerald L. Knouf, MD had 939 Medicare Part D claims for 242 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.