Dr. Harpreet S. Duggal, MD

  • Fremont, CA
  • Psychiatrist
NPI1194776021PAC ID0648202770
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Palo Alto Medial Foundation

Multi-specialty group site · Fremont, California

See all 4 affiliations

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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 and contact details
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
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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 Foundation
    39650 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.

See all 4 affiliations for Dr. Duggal

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.

EHR by site
SiteEHR vendor and product
Palo Alto Medial FoundationAvailable with a free account
+1 more site and 1 medical groupAvailable 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, CaliforniaPrimaryLicense A91798 · 2005 to 2026 · taxonomy 2084P0800X
  • Michigan licenseLicense 4301085093 · 2005 to 2012
  • Pennsylvania license2001 to 2006

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.

Medicare services, 2024513
Medicare patients35
Paid by Medicare$46,547
Procedure codes2

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.

See all procedures by Dr. Duggal

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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.

Medicare patients, 202435
Average age67
Average risk score1.15

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

  1. Anxiety75%
  2. Depression75%
  3. High cholesterol75%
  4. Mood disorders75%
  5. Arthritis43%
  6. 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.

Part D claims, 2024274
Drugs named by CMS8
Total drug cost$3,040
Part D patients25

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.

See all prescribing by Dr. Duggal

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.

Papers65
Years published2007 to 2008

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

See all 65 publications and co-authors

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.

How network discovery works

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.

See all payments to Dr. Duggal

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.

  1. Medical schoolMahatma Gandhi Institute of Medical Science
  2. Board certified in psychiatryAmerican Board of Psychiatry and Neurology

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

  1. HMO2
  2. Medicare2
  3. POS2
  4. PPO2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Harpreet S. Duggal's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

Show 9 more questionsShow fewer questions

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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