Himani Singh, MD
Hematology & Oncology Physician · Oceanside, CA
Himani Singh, MD is a hematology & oncology physician with a practice address in Oceanside, California, and NPI 1558546192, issued on Jan 2, 2008. Check the license (California A143620, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Himani Singh
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A143620 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3617 Vista Way, Oceanside, CA 92056
- Phone
- (760) 758-5770
- Enumerated
- Jan 2, 2008
- Record last updated
- Mar 7, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (760) 721-8597
- Medicaid ID
- 03367755 NY
- Medicare enrollment
- Enrolled (PECOS I20170328001512); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 3617 Vista Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela AnsonOncology Pharmacist1528993961
- Catherine Quinn, M.D.Hematology & Oncology Physician1427403641
- Nayyar Siddique, MDHematology & Oncology Physician1497890610
- Danielle WattsPhysician Assistant1609608967
Verify Himani Singh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A143620Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
753 Medicare Part D claims for 142 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims. 16 claims were for opioids.
Most prescribed
- Anastrozole126 claims
- Hydroxyurea55 claims
- Xtandi41 claims
- Dexamethasone40 claims
- Lenalidomide35 claims
- Procrit30 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: $1,038.23
32 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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
- North County Oncology Medical Clinic IncOceanside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
Other hematology & oncology physician records in California
- Mark Abate, M.D.Santa Barbara, CA1588778674
- Iman Abdalla, MDLos Angeles, CA1730248311
- Haifaa Abdulhaq, MDFresno, CA1508024647
- Nihal Abdulla, MDLos Alamitos, CA1750585345
- Mehrad Abedi, M.D.Sacramento, CA1467459222
- Oyewale Abidoye, M.D.La Jolla, CA1790841815
- Mohammed Abu Zaanona, MDSanta Barbara, CA1922591197
- Mohamad Adada, M.D., PHDRoseville, CA1528590734
- Jesse Adams, MDSacramento, CA1851479554
- Thompson Adams, MDSanta Monica, CA1407880891
Common questions
What is Himani Singh, MD's NPI number?
Himani Singh, MD's National Provider Identifier (NPI) is 1558546192, issued on Jan 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Himani Singh, MD located?
The NPPES record lists a practice address at 3617 Vista Way, Oceanside, CA, 92056. Phone: (760) 758-5770. Providers update this record themselves, so call before visiting.
How can I verify Himani Singh, MD's license?
NPPES lists California license number A143620, 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 Himani Singh, MD prescribe under Medicare Part D?
In 2024, Himani Singh, MD had 753 Medicare Part D claims for 142 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.