Dr. Ashwini S. Mahajan, MD
- Part D claims, 2024
- 11
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 700 Lawrence Expressway, Santa Clara, CA 95051
- Practice phone
- Call (408) 236-6400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mahajan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ashwini S. Mahajan is a hospitalist in Santa Clara, California
Dr. Mahajan practices at Santa Clara Medical Center in Santa Clara, California, part of Kaiser Permanente.
Dr. Mahajan's NPI, 1659458503, was assigned on October 31, 2006. Dr. Mahajan graduated from B.J. Medical College - University of Pune in 1989. Dr. Mahajan's California license number on file is A63901.
- NPI
- 1659458503NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466641402
- NPI enumeration date
- October 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 236-6400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ashwini S. Mahajan practices at Santa Clara Medical Center in Santa Clara, California
Dr. Mahajan's primary practice is Santa Clara Medical Center, at 700 Lawrence Expressway, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 236-6400.
- Santa Clara Medical Center700 Lawrence Expressway, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 236-6400
Source: Dmand AI Affiliation Data
Dr. Ashwini S. Mahajan is affiliated with 2 sites of care and 1 medical group
Dr. Mahajan's primary practice is Santa Clara Medical Center in Santa Clara, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Mahajan to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ashwini S. Mahajan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahajan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ashwini S. Mahajan is one of 3,186 hospitalists in California
Hospitalist is Dr. Mahajan's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Mahajan is board certified in hospice and palliative medicine by the American Board of Internal Medicine. Dr. Mahajan has a license on file in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Hospitalists near Dr. Mahajan
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ashwini S. Mahajan's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Mahajan's median patient age at 79, with 79% women.
Dr. Mahajan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women79%
- Men21%
Source: Dmand AI Patient Panel Data
Dr. Ashwini S. Mahajan wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Mahajan wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $261 in total drug cost. In 2017, CMS named 27 claims across 2 drugs.
Dr. Mahajan's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 272018: 1544%
Drugs named by CMS: 1 in 2018, 2 in 2017.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ashwini S. Mahajan takes part in Medicare
Dr. Mahajan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Ashwini S. Mahajan graduated from B.J. Medical College - University of Pune
Dr. Mahajan graduated from B.J. Medical College - University of Pune in 1989.
- Medical school
- Board certified in hospice and palliative medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ashwini S. Mahajan accepts plans from 2 insurance carriers
Dr. Mahajan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Mahajan accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ashwini S. Mahajan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ashwini S. Mahajan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ashwini S. Mahajan's NPI number?
Dr. Ashwini S. Mahajan's NPI number is 1659458503. It was assigned on October 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ashwini S. Mahajan?
Dr. Ashwini S. Mahajan is a hospitalist in Santa Clara, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Ashwini S. Mahajan practice?
Dr. Mahajan practices at 700 Lawrence Expressway, Santa Clara, CA 95051. Dr. Mahajan's primary practice is Santa Clara Medical Center in Santa Clara, California, part of Kaiser Permanente. Dmand AI also links Dr. Mahajan to 1 group practice or clinic.
What is Dr. Ashwini S. Mahajan's office phone number?
The practice phone on file for Dr. Mahajan is (408) 236-6400.
What is Dr. Ashwini S. Mahajan's medical license number?
Dr. Mahajan's California license number on file is A63901.
Which hospitals is Dr. Ashwini S. Mahajan affiliated with?
Dr. Mahajan practices at Santa Clara Medical Center in Santa Clara, California.
What medical group is Dr. Ashwini S. Mahajan part of?
Dr. Mahajan is linked to The Permanente Medical Group, Inc.
Does Dr. Ashwini S. Mahajan accept Medicare?
Yes. CMS lists Dr. Mahajan as accepting Medicare assignment.
Is Dr. Ashwini S. Mahajan board certified?
Yes. Dr. Mahajan is board certified in hospice and palliative medicine by the American Board of Internal Medicine.
Where did Dr. Ashwini S. Mahajan go to medical school?
Dr. Mahajan graduated from B.J. Medical College - University of Pune in 1989.
Show 3 more questionsShow fewer questions
What drugs does Dr. Ashwini S. Mahajan prescribe most?
In 2018 Medicare Part D data, Dr. Mahajan's most prescribed drugs by claims were Furosemide.
How long has Dr. Ashwini S. Mahajan been practicing?
Dr. Mahajan graduated from medical school in 1989, 37 years ago.
What insurance does Dr. Ashwini S. Mahajan accept?
Dr. Mahajan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to hospitalist practices?
See hospitalists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card