Sadia S. Khan, MD
Internal Medicine Physician · Montclair, CA
Sadia S. Khan, MD is an internal medicine physician with a practice address in Montclair, California, and NPI 1225271125, issued on Apr 8, 2009. Check the license (California A113528, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sadia S. Khan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A113528 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4959 Palo Verde St, Montclair, CA 91763
- Phone
- (909) 398-0497
- Enumerated
- Apr 8, 2009
- Record last updated
- May 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (909) 398-0499
- Medicare enrollment
- Enrolled (PECOS I20121010000025); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 4959 Palo Verde St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Butterly, M.F.T.Marriage & Family Therapist1962620526
- Esmeralda Casillas, OTRPediatric Occupational Therapist1598073314
- Jonathan Martinez, PACMedical Physician Assistant1750491908
- Gina MendozaHome Health Registered Nurse1629522529
- Ruth Neigut, MA CCC-SLPSpeech-Language Pathologist1821764234
- Jhujhar Singh, DOGeneral Practice Physician1730361544
Verify Sadia S. Khan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A113528Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% more Medicare Part D claims than the average internal medicine physician in 2024
5,265 Medicare Part D claims for 510 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 56 claims were for opioids.
Most prescribed
- Amlodipine Besylate367 claims
- Atorvastatin Calcium338 claims
- Rosuvastatin Calcium239 claims
- Losartan Potassium190 claims
- Levothyroxine Sodium181 claims
- Gabapentin122 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: $27.27
1 payment: food and beverage; the largest payer was Pfizer 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
- Torrance Health Association IncTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
12 internal medicine physician records list a practice address in Montclair
They are 12 of the 1,301 NPPES records with a practice address in Montclair, and 17,696 internal medicine physician records in California.
All 12 in Montclair → All 17,696 in California → Every provider in Montclair →
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 Sadia S. Khan, MD's NPI number?
Sadia S. Khan, MD's National Provider Identifier (NPI) is 1225271125, issued on Apr 8, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Sadia S. Khan, MD located?
The NPPES record lists a practice address at 4959 Palo Verde St, Montclair, CA, 91763. Phone: (909) 398-0497. Providers update this record themselves, so call before visiting.
How can I verify Sadia S. Khan, MD's license?
NPPES lists California license number A113528, 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 Sadia S. Khan, MD prescribe under Medicare Part D?
In 2024, Sadia S. Khan, MD had 5,265 Medicare Part D claims for 510 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.