Prog Neuropsychopharmacol Biol Psychiatry
Dr. Harpreet S. Duggal, MD
- Medicare services, 2024
- 513
- Medicare patients, 2024
- 35
- Part D claims, 2024
- 274
- Publications
- 65
- Industry payments
- $15
- Practice address
- 39650 Liberty St Suite 140 Suite 140, Fremont, CA 94538-2225
- Practice phone
- Call (510) 498-3900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Palo Alto Medial Foundation
Multi-specialty group site · Fremont, California
Find Dr. Duggal'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. Harpreet S. Duggal is a psychiatrist in Fremont, California
Dr. Duggal practices at Palo Alto Medial Foundation in Fremont, California.
Dr. Duggal's NPI, 1194776021, was assigned on May 15, 2006. Dr. Duggal graduated from Mahatma Gandhi Institute of Medical Science in 1997. Dr. Duggal holds California license A91798.
- NPI
- 1194776021NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648202770
- NPI enumeration date
- May 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 498-3900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Harpreet S. Duggal practices at Palo Alto Medial Foundation in Fremont, California
Dr. Duggal's primary practice is Palo Alto Medial Foundation, at 39650 Liberty St Suite 140 Suite 140, Fremont, CA 94538-2225. The practice phone is (510) 498-3900.
- Palo Alto Medial Foundation39650 Liberty St Suite 140 Suite 140, Fremont, CA 94538-2225Phone(510) 498-3900
Source: Dmand AI Affiliation Data
Dr. Harpreet S. Duggal is affiliated with 2 sites of care and 2 medical groups
Dr. Duggal's primary practice is Palo Alto Medial Foundation in Fremont, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Duggal to 1 more group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Harpreet S. Duggal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duggal practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Palo Alto Medial Foundation | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Harpreet S. Duggal is one of 6,803 psychiatrists in California
Psychiatry is Dr. Duggal's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Duggal is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Duggal's licenses on file in 3 states: California, Michigan and Pennsylvania.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Michigan license
- Pennsylvania license
Clinical focus
Dmand AI lists anxiety, bipolar disorder, depression, insomnia, intellectual and developmental disabilities and schizophrenia among the conditions Dr. Duggal treats.
Psychiatrists near Dr. Duggal
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. Harpreet S. Duggal billed Medicare for 513 services in 2024
CMS data shows 513 Medicare services from Dr. Duggal across 2 procedure codes in 2024, for 35 Medicare patients. Medicare paid $46,547 for them. Every service was in an office.
Dr. Duggal's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2612024: 2776%
- Tests and treatments
- 2023: 2162024: 2369%
Dr. Duggal compared with the California median for psychiatrists, 2024
- Dr. Duggal
- California median
- Medicare services
- 513vs 1194.3 times
- Medicare patients
- 35vs 4115% below
- Part D claims
- 151vs 144Close to median
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Duggal's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duggal and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Harpreet S. Duggal treated 35 Medicare patients in 2024, average age 67
CMS counts 35 Medicare patients who saw Dr. Duggal in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have anxiety, and 75% have depression. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Duggal's median patient age at 40, with 59% women.
Dr. Duggal's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Duggal's Medicare patients, 2024
- Anxiety75%
- Depression75%
- High cholesterol75%
- Mood disorders75%
- Arthritis43%
- High blood pressure40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duggal's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women59%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Harpreet S. Duggal wrote 274 Medicare Part D claims in 2024
In 2024, Dr. Duggal wrote 274 Medicare Part D claims for 25 patients. 100% of them were for generic drugs. CMS names the drug for 151 of them, across 8 drugs with 11 or more claims each, at $3,040 in total drug cost. In 2023, CMS named 266 claims across 14 drugs.
Dr. Duggal'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. Duggal's Part D claims, 2024
- Antipsychotics, patients 65 and over17%46 of 274 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: 2662024: 15143%
Drugs named by CMS: 8 in 2024, 14 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
Dr. Harpreet S. Duggal offers telehealth to Medicare patients
Dr. Duggal accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Duggal as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Harpreet S. Duggal has 65 publications on record
Dmand AI links 65 papers to Dr. Duggal, published from 2007 to 2008. The most frequent topics are Antipsychotic Agents, Schizophrenia and Benzodiazepines. Dr. Duggal has published most often in Indian J Psychiatry. Dr. Duggal's most frequent co-authors are Gaurav Gandotra, MD and Daniel Lee Ouyang, MD.
Topics Dr. Duggal writes about most
- Antipsychotic Agents
- Schizophrenia
- Benzodiazepines
- Bipolar Disorder
- Brain
- Psychotic Disorders
- Risperidone
- Drug Therapy, Combination
Dr. Duggal's most frequent co-authors
Recent publications by Dr. Duggal
Prog Neuropsychopharmacol Biol Psychiatry
See who Dr. Duggal researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Duggal works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Harpreet S. Duggal received $15 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Duggal from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $15.
Companies that paid Dr. Duggal the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Harpreet S. Duggal graduated from Mahatma Gandhi Institute of Medical Science
Dr. Duggal graduated from Mahatma Gandhi Institute of Medical Science in 1997. Dr. Duggal is a member of APA.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Harpreet S. Duggal accepts plans from 3 insurance carriers
Dr. Duggal is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- CMS Medicare
Plan types Dr. Duggal accepts, by number of carriers
- HMO2
- Medicare2
- POS2
- PPO2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Harpreet S. Duggal'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 Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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. Harpreet S. Duggal
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. Harpreet S. Duggal's NPI number?
Dr. Harpreet S. Duggal's NPI number is 1194776021. It was assigned on May 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Harpreet S. Duggal?
Dr. Harpreet S. Duggal is a psychiatrist in Fremont, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Harpreet S. Duggal practice?
Dr. Duggal practices at 39650 Liberty St Suite 140 Suite 140, Fremont, CA 94538-2225. Dr. Duggal's primary practice is Palo Alto Medial Foundation in Fremont, California. Dmand AI also links Dr. Duggal to 1 group practice or clinic and 1 medical group.
What is Dr. Harpreet S. Duggal's office phone number?
The practice phone on file for Dr. Duggal is (510) 498-3900.
What is Dr. Harpreet S. Duggal's medical license number?
Dr. Duggal holds California license A91798, one of the licenses on file in 3 states.
Which states has Dr. Harpreet S. Duggal been licensed in?
Dmand AI has state licenses on file for Dr. Duggal in California (2005 to 2026), Michigan (2005 to 2012) and Pennsylvania (2001 to 2006).
What medical group is Dr. Harpreet S. Duggal part of?
Dr. Duggal is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Duggal to 1 more medical group.
Does Dr. Harpreet S. Duggal accept Medicare?
Yes. CMS data shows Dr. Duggal billed Medicare for 513 services in 2024, and Dr. Duggal accepts Medicare assignment.
Does Dr. Harpreet S. Duggal offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Duggal as offering telehealth services.
How many Medicare patients does Dr. Harpreet S. Duggal see?
CMS counts 35 Medicare patients who saw Dr. Duggal in 2024, with an average age of 67.
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Is Dr. Harpreet S. Duggal board certified?
Yes. Dr. Duggal is board certified in psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Harpreet S. Duggal bill to Medicare?
In 2024, Dr. Duggal's most billed Medicare services were office visit, established patient (99214) and psychiatric service (90833).
Where did Dr. Harpreet S. Duggal go to medical school?
Dr. Duggal graduated from Mahatma Gandhi Institute of Medical Science in 1997.
What drugs does Dr. Harpreet S. Duggal prescribe most?
In 2024 Medicare Part D data, Dr. Duggal's most prescribed drugs by claims were Risperidone, Duloxetine HCl and Bupropion XL.
Has Dr. Harpreet S. Duggal received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Duggal from 1 company from 2017 to 2017. The largest total came from Gilead Sciences, Inc.
How long has Dr. Harpreet S. Duggal been practicing?
Dr. Duggal graduated from medical school in 1997, 29 years ago.
Does Dr. Harpreet S. Duggal do research?
Dmand AI links 65 publications to Dr. Duggal, published from 2007 to 2008.
Who does Dr. Harpreet S. Duggal publish with?
Dr. Duggal's most frequent co-authors are Gaurav Gandotra, MD (2 shared papers) and Daniel Lee Ouyang, MD (1 shared paper).
What insurance does Dr. Harpreet S. Duggal accept?
Dr. Duggal is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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