Linnea I. Chap, M.D.
Hematology & Oncology Physician · Beverly Hills, CA
Linnea I. Chap, M.D. is a hematology & oncology physician with a practice address in Beverly Hills, California, and NPI 1700839362, issued on May 17, 2006. Check the license (California G73680, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Linnea I. Chap
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- G73680 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8900 Wilshire Blvd, Beverly Hills, CA 90211
- Phone
- (310) 432-8900
- Enumerated
- May 17, 2006
- Record last updated
- Mar 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (310) 432-8901
- Medicare enrollment
- Enrolled (PECOS I20050114000697); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1988
- 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 8900 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Afshin Gabayan, M.D.Hematology & Oncology Physician1659412757
- Arash Gabayan, M.D.Radiation Oncology Physician1497867717
- Patricia Gordon, MDRadiation Oncology Physician1740320811
- Keith Klein, M.D.,Nephrology Physician1982688040
- Jennifer Lang, M.D.Obstetrics & Gynecology Physician1669509436
- Becky Natali, PHARMD, MS, BCPSPharmacotherapy Pharmacist1548762941
Verify Linnea I. Chap in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73680Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,011 Medicare Part D claims for 134 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 17 claims were for opioids.
Most prescribed
- Letrozole167 claims
- Alendronate Sodium118 claims
- Anastrozole95 claims
- Exemestane89 claims
- Gabapentin52 claims
- Kisqali39 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): 76.4 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).
Industry payments in 2024: $160,887.10
224 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Beverly Hills Oncology Medical Group IncBeverly Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Linnea I. Chap among 1,583 hematology & oncology physician records in California
Linnea I. Chap, M.D. 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
- Graduated1988 · median 2003 among the 1,124 with a school on file
- Record last updated2014 · 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 Beverly Hills → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Robert Decker, M.D.Beverly Hills, CA 902111023014164
- Julie Dunhill, M.D.Beverly Hills, CA 902111083610570
- Afshin Gabayan, M.D.Beverly Hills, CA 902111659412757
- Leland Green, M.D.Beverly Hills, CA 902111730185877
- David Hoffman, M.D.Beverly Hills, CA 902111538165675
- Emily Kaymen, M.D.Beverly Hills, CA 902111649706532
- Jeremy Lorber, MDBeverly Hills, CA 902111689940652
- Philomena McAndrew, M.D.Beverly Hills, CA 902111104822600
Common questions
What is Linnea I. Chap, M.D.'s NPI number?
Linnea I. Chap, M.D.'s National Provider Identifier (NPI) is 1700839362, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Linnea I. Chap, M.D. located?
The NPPES record lists a practice address at 8900 Wilshire Blvd, Beverly Hills, CA, 90211. Phone: (310) 432-8900. Providers update this record themselves, so call before visiting.
How can I verify Linnea I. Chap, M.D.'s license?
NPPES lists California license number G73680, 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 Linnea I. Chap, M.D. prescribe under Medicare Part D?
In 2024, Linnea I. Chap, M.D. had 1,011 Medicare Part D claims for 134 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Linnea I. Chap, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.4 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.