Natasha Alexander, MD
Internal Medicine Physician · Rialto, CA
Natasha Alexander, MD is an internal medicine physician with a practice address in Rialto, California, and NPI 1255615530, issued on Oct 4, 2011. Check the license (California A125684, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Natasha Alexander
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A125684 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1851 N Riverside Ave, Rialto, CA 92376
- Phone
- (909) 874-2371
- Enumerated
- Oct 4, 2011
- Entity
- Type 1 · individual
Also registered at 1851 N Riverside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Olga Adan, M.D.Pediatrics Physician1447206073
- Sophia Beyene, DOFamily Medicine Physician1861454993
- Adrienne Burn, FNPFamily Nurse Practitioner1700160546
- Camille Chano, MDFamily Medicine Physician1083029425
- Linnea Chaves, RN FNPFamily Nurse Practitioner1992115018
- Paul Chen, M.D.Internal Medicine Physician1588689350
Verify Natasha Alexander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A125684Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
80% more Medicare Part D claims than the average internal medicine physician in 2024
5,013 Medicare Part D claims for 662 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 256 claims were for opioids.
Most prescribed
- Atorvastatin Calcium385 claims
- Lisinopril208 claims
- Amlodipine Besylate191 claims
- Levothyroxine Sodium189 claims
- Losartan Potassium165 claims
- Rosuvastatin Calcium160 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: $23.04
1 payment, mostly food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Southern California Permanente Medical GroupRiverside, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
11 internal medicine physician records list a Rialto practice address
They are 11 of the 1,044 NPPES records with a Rialto practice address, and 20,403 internal medicine physician records in California.
All 11 in Rialto → All 20,403 in California → Every provider in Rialto →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Natasha Alexander, MD's NPI number?
Natasha Alexander, MD's National Provider Identifier (NPI) is 1255615530, issued on Oct 4, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Natasha Alexander, MD located?
The NPPES record lists a practice address at 1851 N Riverside Ave, Rialto, CA, 92376. Phone: (909) 874-2371. Providers update this record themselves, so call before visiting.
How can I verify Natasha Alexander, MD's license?
NPPES lists California license number A125684, 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 Natasha Alexander, MD prescribe under Medicare Part D?
In 2024, Natasha Alexander, MD had 5,013 Medicare Part D claims for 662 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.