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
- Record last updated
- Sep 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20140203000874); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
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
58% 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 3,176 among the 108,855 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: food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Southern California Permanente Medical GroupRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Natasha Alexander among 17,696 internal medicine physician records in California
Natasha Alexander, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 66% of them.
- NPI issued2011 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2010 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 internal medicine physician records list a practice address in Rialto
They are 12 of the 1,044 NPPES records with a practice address in Rialto, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Rialto → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Chen, M.D.Rialto, CA 923761588689350
- Hedyeh Golshan, M.D.Rialto, CA 923761174582688
- Ikechi Obiocha, MDRialto, CA 923761467479295
- Charles Sabbah, M.D.Rialto, CA 923761467491118
- Yousuf Sadiq, MDRialto, CA 923761417067588
- Ravindranath Shahane, M.D.Rialto, CA 923761457420903
- Sun Soung, M.D.Rialto, CA 923761295893162
- Hiteshi Thakker, M.D.Rialto, CA 923761437437134
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 3,176. 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.