Dr. Gagan Virk Nijjar, MD
- Part D claims, 2024
- 423
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2011
- Practice address
- 2238 Geary Blvd, San Francisco, CA 94115
- Practice phone
- Call (415) 833-3700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Francisco Medical Center - Mammography
Mammography / Breast Imaging Center · San Francisco, California
Find Dr. Nijjar'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. Gagan Virk Nijjar is a psychiatrist in San Francisco, California
Dr. Nijjar practices at San Francisco Medical Center - Mammography in San Francisco, California.
Dr. Nijjar's NPI, 1750674727, was assigned on May 24, 2011. Dr. Nijjar holds California license A113271.
- NPI
- 1750674727NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052585767
- NPI enumeration date
- May 24, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 833-3700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gagan Virk Nijjar practices at San Francisco Medical Center - Mammography in San Francisco, California
Dr. Nijjar's primary practice is San Francisco Medical Center - Mammography, at 2238 Geary Blvd, San Francisco, CA 94115. The practice phone is (415) 833-3700.
- San Francisco Medical Center - Mammography2238 Geary Blvd, San Francisco, CA 94115Phone(415) 833-3700
Source: Dmand AI Affiliation Data
Dr. Gagan Virk Nijjar is affiliated with 2 sites of care and 1 medical group
Dr. Nijjar's primary practice is San Francisco Medical Center - Mammography in San Francisco, California. Dr. Nijjar is also affiliated with Saint Elizabeths Hospital. The medical group on file is The Permanente Medical Group, Inc. Dr. Nijjar's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gagan Virk Nijjar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nijjar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Francisco Medical Center - Mammography | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gagan Virk Nijjar is one of 6,803 psychiatrists in California
Psychiatry is Dr. Nijjar's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Nijjar is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Nijjar
Counts of psychiatrists 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. Gagan Virk Nijjar's patients have a median age of 35
Across all payers, Dmand AI patient panel data puts Dr. Nijjar's median patient age at 35, with 61% women.
Dr. Nijjar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women61%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Gagan Virk Nijjar wrote 423 Medicare Part D claims in 2024
In 2024, Dr. Nijjar wrote 423 Medicare Part D claims for 59 patients. 97% of them were for generic drugs. CMS names the drug for 341 of them, across 16 drugs with 11 or more claims each, at $34,585 in total drug cost. In 2023, CMS named 335 claims across 13 drugs.
Dr. Nijjar's Part D claims by kind of drug, 2024
- Generic410 claims97%
- Brand-name13 claims3%
Dr. Nijjar's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Nijjar's Part D claims, 2024
- Antipsychotics, patients 65 and over9%37 of 423 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3352024: 3412%
Drugs named by CMS: 16 in 2024, 13 in 2023.
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. Gagan Virk Nijjar takes part in Medicare
Dr. Nijjar 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)
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Sources for Dr. Gagan Virk Nijjar'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) |
| 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. Gagan Virk Nijjar
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What is Dr. Gagan Virk Nijjar's NPI number?
Dr. Gagan Virk Nijjar's NPI number is 1750674727. It was assigned on May 24, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Gagan Virk Nijjar?
Dr. Gagan Virk Nijjar is a psychiatrist in San Francisco, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Gagan Virk Nijjar practice?
Dr. Nijjar practices at 2238 Geary Blvd, San Francisco, CA 94115. Dr. Nijjar's primary practice is San Francisco Medical Center - Mammography in San Francisco, California.
What is Dr. Gagan Virk Nijjar's office phone number?
The practice phone on file for Dr. Nijjar is (415) 833-3700.
What is Dr. Gagan Virk Nijjar's medical license number?
Dr. Nijjar holds California license A113271.
Which hospitals is Dr. Gagan Virk Nijjar affiliated with?
Dr. Nijjar is affiliated with Saint Elizabeths Hospital.
What medical group is Dr. Gagan Virk Nijjar part of?
Dr. Nijjar is linked to The Permanente Medical Group, Inc.
Does Dr. Gagan Virk Nijjar accept Medicare?
Yes. CMS lists Dr. Nijjar as accepting Medicare assignment.
What drugs does Dr. Gagan Virk Nijjar prescribe most?
In 2024 Medicare Part D data, Dr. Nijjar's most prescribed drugs by claims were Venlafaxine HCl ER, Lorazepam and Gabapentin.
How long has Dr. Gagan Virk Nijjar been practicing?
Dr. Nijjar graduated from medical school in 2005, 21 years ago.
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