Andrew L. Knapp, D.O
Undersea and Hyperbaric Medicine (Emergency Medicine) Physician · Redding, CA
Andrew L. Knapp, D.O is an undersea and hyperbaric medicine (emergency medicine) physician with a practice address in Redding, California, and NPI 1497869648, issued on Aug 17, 2006. Check the license (California 20A6460, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew L. Knapp
- Credential
- D.O
- Primary taxonomy
- Undersea and Hyperbaric Medicine (Emergency Medicine) Physician 207PE0005X
- License number
- 20A6460 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2770 Eureka Way, Suite 100, Redding, CA 96001
- Phone
- (530) 241-2151
- Enumerated
- Aug 17, 2006
- Record last updated
- Aug 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 00AX64600 CA
- Medicare enrollment
- Enrolled (PECOS I20041214001111); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest undersea and hyperbaric medicine (emergency medicine) physician records → All 11 in California → Look up another NPI →
Verify Andrew L. Knapp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A6460Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average undersea and hyperbaric medicine (emergency medicine) physician in 2024
47 Medicare Part D claims for 34 beneficiaries, against an average of 374 among the 112 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Enloe Medical CenterChico, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew L. Knapp among 11 undersea and hyperbaric medicine (emergency medicine) physician records in California
Andrew L. Knapp, D.O is one of 11 undersea and hyperbaric medicine (emergency medicine) physician records with a practice address in California. 64% 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, 55% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Record last updated2020 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Undersea and Hyperbaric Medicine (Emergency Medicine) Physician providers in California
There are 11 undersea and hyperbaric medicine (emergency medicine) physician records in California.
All 11 in California → Every provider in Redding → Undersea and Hyperbaric Medicine (Emergency Medicine) Physician nationwide →
The 8 undersea and hyperbaric medicine (emergency medicine) physician records with the nearest ZIP codes
- Jeffrey Rapp, MDUkiah, CA 954821558311597
- Russell Gray, MDFairfield, CA 945351427341015
- Samuel Miller, D.O.Santa Maria, CA 934541619066693
- John Deacon, M.D.Santa Barbara, CA 931111477567923
- John Gambol, M.D.Placentia, CA 928701255339826
- Kenneth Kelly, M.D.San Diego, CA 921551730224908
- Andrew Carpenter, MDSan Diego, CA 921031437998648
- Sandra Hayes, MDSan Diego, CA 921031740431444
Common questions
What is Andrew L. Knapp, D.O's NPI number?
Andrew L. Knapp, D.O's National Provider Identifier (NPI) is 1497869648, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew L. Knapp, D.O located?
The NPPES record lists a practice address at 2770 Eureka Way, Suite 100, Redding, CA, 96001. Phone: (530) 241-2151. Providers update this record themselves, so call before visiting.
How can I verify Andrew L. Knapp, D.O's license?
NPPES lists California license number 20A6460, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew L. Knapp, D.O prescribe under Medicare Part D?
In 2024, Andrew L. Knapp, D.O had 47 Medicare Part D claims for 34 beneficiaries; the average among undersea and hyperbaric medicine (emergency medicine) physician prescribers was 374. Part D covers Medicare prescriptions only.
What is Andrew L. Knapp, D.O's MIPS final score?
The 2023 MIPS final score is 76.7 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.