Frederic Charles Kass, MD
Hematology & Oncology Physician · Santa Barbara, CA
Frederic Charles Kass, MD is a hematology & oncology physician with a practice address in Santa Barbara, California, and NPI 1538181110, issued on Jul 24, 2006. Check the license (California G68274, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Frederic Charles Kass
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- G68274 CA
Self-reported in NPPES; status is on the state search - Practice location
- 309 W Quinto St, Santa Barbara, CA 93105
- Phone
- (805) 563-0041
- Enumerated
- Jul 24, 2006
- Record last updated
- Sep 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G682740 CA
- Medicare enrollment
- Enrolled (PECOS I20060826000023); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 309 W Quinto St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julian Davis, MDHematology & Oncology Physician1801159967
- Daniel Greenwald, M.D.Medical Oncology Physician1235240987
- Juliet Penn, M.D.Medical Oncology Physician1215175070
- Amanda Sweet, P.A.Physician Assistant1811186018
Verify Frederic Charles Kass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G68274Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
287 Medicare Part D claims for 63 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Anastrozole34 claims
- Tamoxifen Citrate31 claims
- Verzenio29 claims
- Ibrance20 claims
- Alprazolam15 claims
- Imvexxy14 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.
Industry payments in 2024: $70.19
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaSanta Barbara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frederic Charles Kass among 1,583 hematology & oncology physician records in California
Frederic Charles Kass, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1984 · median 2003 among the 1,124 with a school on file
- Record last updated2021 · 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 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Santa Barbara → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mark Abate, M.D.Santa Barbara, CA 931051588778674
- Asma Anwar, MDSanta Barbara, CA 931051972773539
- Maira Campos, M.D.Santa Barbara, CA 931051497020861
- Julian Davis, MDSanta Barbara, CA 931051801159967
- Chad Guenther, MDSanta Barbara, CA 931051063874758
- Ryan Kendle, M.D.Santa Barbara, CA 931051861719551
- Yurhee Lee, M.D.Santa Barbara, CA 931051457887606
- Gregg Newman, M.D.Santa Barbara, CA 931051275645053
Common questions
What is Frederic Charles Kass, MD's NPI number?
Frederic Charles Kass, MD's National Provider Identifier (NPI) is 1538181110, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frederic Charles Kass, MD located?
The NPPES record lists a practice address at 309 W Quinto St, Santa Barbara, CA, 93105. Phone: (805) 563-0041. Providers update this record themselves, so call before visiting.
How can I verify Frederic Charles Kass, MD's license?
NPPES lists California license number G68274, 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 Frederic Charles Kass, MD prescribe under Medicare Part D?
In 2024, Frederic Charles Kass, MD had 287 Medicare Part D claims for 63 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.