Ashim Arora, M.D.
Internal Medicine Physician · Simi Valley, CA
Ashim Arora, M.D. is an internal medicine physician with a practice address in Simi Valley, California, and NPI 1639161581, issued on Aug 17, 2005. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ashim Arora
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 158 Macaw LN, Simi Valley, CA 93065
- Phone
- (805) 584-1930
- Enumerated
- Aug 17, 2005
- Entity
- Type 1 · individual
Also registered at 158 Macaw LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brandi Ford, FNP-CFamily Nurse Practitioner1134836133
- Heather Hirsh, PAPhysician Assistant1245402130
- Kelly Schlatter, PA-CPhysician Assistant1538569710
Verify Ashim Arora in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.7 times the Medicare Part D claims of the average internal medicine physician in 2024
7,385 Medicare Part D claims for 736 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims. 31 claims were for opioids.
Most prescribed
- Trelegy Ellipta467 claims
- Montelukast Sodium407 claims
- Albuterol Sulfate Hfa297 claims
- Levothyroxine Sodium249 claims
- Atorvastatin Calcium248 claims
- Prednisone243 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.
One hospital or facility affiliation
- Ashim Arora A Medical CorporationSimi Valley, 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.
26 internal medicine physician records list a Simi Valley practice address
They are 26 of the 1,397 NPPES records with a Simi Valley practice address, and 20,403 internal medicine physician records in California.
All 26 in Simi Valley → All 20,403 in California → Every provider in Simi Valley →
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 Ashim Arora, M.D.'s NPI number?
Ashim Arora, M.D.'s National Provider Identifier (NPI) is 1639161581, issued on Aug 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ashim Arora, M.D. located?
The NPPES record lists a practice address at 158 Macaw LN, Simi Valley, CA, 93065. Phone: (805) 584-1930. Providers update this record themselves, so call before visiting.
How can I verify Ashim Arora, M.D.'s license?
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 Ashim Arora, M.D. prescribe under Medicare Part D?
In 2024, Ashim Arora, M.D. had 7,385 Medicare Part D claims for 736 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.