Shayla Fowler Kasel, M.D.
Family Medicine Physician · Simi Valley, CA
Shayla Fowler Kasel, M.D. is a family medicine physician with a practice address in Simi Valley, California, and NPI 1649241837, issued on Jan 27, 2006. Check the license (California G78249, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shayla Fowler Kasel
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G78249 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1070 Country Club Dr. West, Simi Valley, CA 93065
- Phone
- (805) 306-0222
- Enumerated
- Jan 27, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (805) 583-2048
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Shayla Fowler Kasel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
338 Medicare Part D claims for 35 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Rosuvastatin Calcium39 claims
- Synthroid27 claims
- Amlodipine Besylate24 claims
- Losartan Potassium18 claims
- Olmesartan Medoxomil17 claims
- Ozempic13 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 MIPS final score for 2023 (Medicare payment program): 97.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Shayla Fowler Kasel among 17,133 family medicine physician records in California
Shayla Fowler Kasel, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2023 · 58% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
60 family medicine physician records list a practice address in Simi Valley
They are 60 of the 1,397 NPPES records with a practice address in Simi Valley, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Simi Valley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ingrid Antall, MDSimi Valley, CA 930651629061700
- George Carbone, M.D.Simi Valley, CA 930651437124849
- Jerry Davidson, M.D.Simi Valley, CA 930651922073998
- Donald Downs, MD.Simi Valley, CA 930651568451979
- Harry Drummond, MDSimi Valley, CA 930651164416517
- Daniel Ghiyam, MDSimi Valley, CA 930651750378188
- Jonathan Kurohara, M.DSimi Valley, CA 930651427023407
- Masahiro Kushigemachi, M.D.Simi Valley, CA 930651386617058
Common questions
What is Shayla Fowler Kasel, M.D.'s NPI number?
Shayla Fowler Kasel, M.D.'s National Provider Identifier (NPI) is 1649241837, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shayla Fowler Kasel, M.D. located?
The NPPES record lists a practice address at 1070 Country Club Dr. West, Simi Valley, CA, 93065. Phone: (805) 306-0222. Providers update this record themselves, so call before visiting.
How can I verify Shayla Fowler Kasel, M.D.'s license?
NPPES lists California license number G78249, 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 Shayla Fowler Kasel, M.D. prescribe under Medicare Part D?
In 2024, Shayla Fowler Kasel, M.D. had 338 Medicare Part D claims for 35 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Shayla Fowler Kasel, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.1 of 100. 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.