Charles I. Knoll, M.D.
Physical Medicine & Rehabilitation Physician · Rancho Mirage, CA
Charles I. Knoll, M.D. is a physical medicine & rehabilitation physician with a practice address in Rancho Mirage, California, and NPI 1962443945, issued on Jun 9, 2006. Check the license (California A100046, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charles I. Knoll
- Credential
- M.D.
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License numbers
- A100046 CA
MD27724 OR
Self-reported in NPPES; status is on the state search - Practice location
- 39000 Bob Hope Dr, Rancho Mirage, CA 92270
- Phone
- (760) 834-7870
- Enumerated
- Jun 9, 2006
- Record last updated
- Nov 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (760) 834-7871
- Medicaid ID
- 403418000 MD
- Medicare enrollment
- Enrolled (PECOS I20081212000270); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 1,549 in California → Look up another NPI →
Also registered at 39000 Bob Hope Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benedict Abaya, FNP-BC, FNP-CFamily Nurse Practitioner1417685462
- Mehrdad Abbasi, MDInternal Medicine Physician1477646776
- Ala Abojaradeh, MDStudent in an Organized Health Care Education/Training Program1316733900
- Naeem Abu-Shehab, M.D.Hospitalist Physician1134363252
- Roux Abubakar, MDHospitalist Physician1982223822
- Mohammad Abushehab, MDStudent in an Organized Health Care Education/Training Program1457293516
Verify Charles I. Knoll in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100046Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% more Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
1,182 Medicare Part D claims for 124 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Atorvastatin Calcium101 claims
- Amlodipine Besylate76 claims
- Metoprolol Tartrate59 claims
- Pantoprazole Sodium56 claims
- Clopidogrel45 claims
- Losartan Potassium37 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
- Providence Medical FoundationEureka, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles I. Knoll among 1,549 physical medicine & rehabilitation physician records in California
Charles I. Knoll, M.D. is one of 1,549 physical medicine & rehabilitation physician records with a practice address in California. 59% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 70% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1999 · median 2008 among the 786 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in California
There are 1,549 physical medicine & rehabilitation physician records in California.
All 1,549 in California → Every provider in Rancho Mirage → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Hary Ailinani, MDRancho Mirage, CA 922701619133444
- Reza Bagherpour, M.D.Rancho Mirage, CA 922701295001493
- Oluloniyin PetersRancho Mirage, CA 922701619395969
- Kristina LowriePalm Springs, CA 922641568019339
- Anthony Blair, OTR/LPalm Springs, CA 922621235963562
- Paula Lidestri, MDPalm Springs, CA 922621053405712
- Rachel ReyesPalm Springs, CA 922621730913450
- Hanna Sanders, M.D.Palm Springs, CA 922621922026244
Common questions
What is Charles I. Knoll, M.D.'s NPI number?
Charles I. Knoll, M.D.'s National Provider Identifier (NPI) is 1962443945, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles I. Knoll, M.D. located?
The NPPES record lists a practice address at 39000 Bob Hope Dr, Rancho Mirage, CA, 92270. Phone: (760) 834-7870. Providers update this record themselves, so call before visiting.
How can I verify Charles I. Knoll, M.D.'s license?
NPPES lists California license number A100046, 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 Charles I. Knoll, M.D. prescribe under Medicare Part D?
In 2024, Charles I. Knoll, M.D. had 1,182 Medicare Part D claims for 124 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.