Kimberly Leticia Loo, MD
Medical Oncology Physician · Palo Alto, CA
Kimberly Leticia Loo, MD is a medical oncology physician with a practice address in Palo Alto, California, and NPI 1174150643, issued on Mar 25, 2020. Check the license (California A208813, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kimberly Leticia Loo
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- A208813 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 Blake Wilbur Dr FL 3, Palo Alto, CA 94304
- Phone
- (212) 746-2900
- Enumerated
- Mar 25, 2020
- Record last updated
- Aug 3, 2026
- Fax
- (650) 724-1445
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Also registered at 900 Blake Wilbur Dr FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa Westerfield, AGNPNurse Practitioner1427528710
Verify Kimberly Leticia Loo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A208813Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average medical oncology physician in 2024
53 Medicare Part D claims for 22 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.
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.
Kimberly Leticia Loo among 447 medical oncology physician records in California
Kimberly Leticia Loo, MD is one of 447 medical oncology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 96% of them.
- NPI issued2020 · 96% of these records are older, 1% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California.
All 447 in California → Every provider in Palo Alto → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Sean Bohen, M.D., PH.D.Palo Alto, CA 943041194869685
- Curtis Chong, MD, PHDPalo Alto, CA 943041912167420
- Alexander Colevas, MDPalo Alto, CA 943041588726558
- Steven Corsello, MDPalo Alto, CA 943041407015944
- Jennie CrewsPalo Alto, CA 943041609987874
- Millie Das, MDPalo Alto, CA 943041225182322
- Milana Dolezal, M.D.Palo Alto, CA 943041174777643
- Alice Fan, M.D.Palo Alto, CA 943041871524454
Common questions
What is Kimberly Leticia Loo, MD's NPI number?
Kimberly Leticia Loo, MD's National Provider Identifier (NPI) is 1174150643, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Kimberly Leticia Loo, MD located?
The NPPES record lists a practice address at 900 Blake Wilbur Dr FL 3, Palo Alto, CA, 94304. Phone: (212) 746-2900. Providers update this record themselves, so call before visiting.
How can I verify Kimberly Leticia Loo, MD's license?
NPPES lists California license number A208813, 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 Kimberly Leticia Loo, MD prescribe under Medicare Part D?
In 2024, Kimberly Leticia Loo, MD had 53 Medicare Part D claims for 22 beneficiaries; the average among medical oncology physician prescribers was 703. 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.