Dr. Aditya Narayan Gangopadhyay, MD

  • Oakland, CA
  • Internist
NPI1588714406PAC ID2163518648
Medicare services, 2024
42
Medicare patients, 2024
36
Part D claims, 2024
15
Publications
2
Hospital affiliations
1
Practice address
380 West MacArthur Boulevard, Oakland, CA 94609
Practice phone
Call (510) 251-0121
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Addiction Medicine & Recovery Services at Oakland Medical Center

Outpatient Addiction Treatment · Oakland, California

See all 3 affiliations

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Dr. Aditya Narayan Gangopadhyay is an internist in Oakland, California

Dr. Gangopadhyay practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.

Dr. Gangopadhyay's NPI, 1588714406, was assigned on January 11, 2007. Dr. Gangopadhyay graduated from Vanderbilt University School Of Medicine in 2004. Dr. Gangopadhyay holds California license A94759.

NPI and contact details
Medicare PAC ID
2163518648
NPI enumeration date
January 11, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 251-0121
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
48
Medical school graduation
2004

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Aditya Narayan Gangopadhyay practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California

Dr. Gangopadhyay's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center, at 380 West MacArthur Boulevard, Oakland, CA 94609. The practice phone is (510) 251-0121.

  • Addiction Medicine & Recovery Services at Oakland Medical Center
    380 West MacArthur Boulevard, Oakland, CA 94609Phone(510) 251-0121

Source: Dmand AI Affiliation Data

Dr. Aditya Narayan Gangopadhyay is affiliated with 2 sites of care and 1 medical group

Dr. Gangopadhyay's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Dr. Gangopadhyay is also affiliated with Oakland Medical Center. The medical group on file is The Permanente Medical Group, Inc.

Addiction Medicine & Recovery Services at Oakland Medical CenterOutpatient Addiction Treatment · Oakland, CaliforniaPrimary
Oakland Medical CenterAcute care hospital, Oakland, CAThe Permanente Medical Group, Inc.Primary care group, Pleasanton, CAParent health systemName with a free account
See all 3 affiliations for Dr. Gangopadhyay

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Aditya Narayan Gangopadhyay's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gangopadhyay practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Addiction Medicine & Recovery Services at Oakland Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Aditya Narayan Gangopadhyay is one of 16,751 internists in California

Internal medicine is Dr. Gangopadhyay's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gangopadhyay is board certified in internal medicine by the American Board of Internal Medicine. Dr. Gangopadhyay is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A94759 · 2006 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute diabetes, congestive heart failure, dementia, gastrointestinal inflammation, pneumonia and respiratory infection, seizures, sepsis and urinary tract infection among the conditions Dr. Gangopadhyay treats.

Internists near Dr. Gangopadhyay

Counts of internists 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. Aditya Narayan Gangopadhyay billed Medicare for 42 services in 2024

CMS data shows 42 Medicare services from Dr. Gangopadhyay across 1 procedure code in 2024, for 36 Medicare patients. Medicare paid $2,921 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202442
Medicare patients36
Paid by Medicare$2,921
Procedure codes1

Dr. Gangopadhyay's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 562024: 4225%

Dr. Gangopadhyay compared with the California median for internists, 2024

  • Dr. Gangopadhyay
  • California median
Medicare services
42vs 36188% below
Medicare patients
36vs 15176% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Gangopadhyay'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. Gangopadhyay

Need commercial claims for Dr. Gangopadhyay?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gangopadhyay and other internists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Aditya Narayan Gangopadhyay treated 36 Medicare patients in 2024, average age 72

CMS counts 36 Medicare patients who saw Dr. Gangopadhyay in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.04, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Gangopadhyay's median patient age at 73, with 51% women.

Medicare patients, 202436
Average age72
Average risk score3.04

Dr. Gangopadhyay's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Gangopadhyay's Medicare patients by sex, 2024

  • Women1747%
  • Men1953%

Chronic conditions among Dr. Gangopadhyay's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes58%
  4. Ischemic heart disease56%
  5. Heart failure53%
  6. Arthritis50%
  7. Chronic kidney disease50%
  8. COPD42%

Share of Medicare patients with each condition. A patient can have several.

Dr. Gangopadhyay's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women51%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Aditya Narayan Gangopadhyay wrote 15 Medicare Part D claims in 2024

In 2024, Dr. Gangopadhyay wrote 15 Medicare Part D claims for 11 patients. 93% of them were for generic drugs.

Part D claims, 202415
Part D patients11

Dr. Gangopadhyay's Part D claims by kind of drug, 2024

  • Generic14 claims93%
  • Brand-name and other1 claims7%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Aditya Narayan Gangopadhyay takes part in Medicare

Dr. Gangopadhyay 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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Dr. Aditya Narayan Gangopadhyay has 2 publications on record

Dmand AI links 2 papers to Dr. Gangopadhyay, published from 2001 to 2020. Dr. Gangopadhyay's most frequent co-author is Alan M. Fogelman, MD.

Papers2
Years published2001 to 2020

Dr. Gangopadhyay's most frequent co-authors

Recent publications by Dr. Gangopadhyay

See all 2 publications and co-authors

See who Dr. Gangopadhyay researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gangopadhyay works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Aditya Narayan Gangopadhyay graduated from Vanderbilt University School Of Medicine

Dr. Gangopadhyay graduated from Vanderbilt University School Of Medicine in 2004.

  1. Medical schoolVanderbilt University School Of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Aditya Narayan Gangopadhyay accepts plans from 2 insurance carriers

Dr. Gangopadhyay 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. Gangopadhyay accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Aditya Narayan Gangopadhyay'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 DataDmand AI Org Hierarchy 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 (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
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. Aditya Narayan Gangopadhyay

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. Aditya Narayan Gangopadhyay's NPI number?

Dr. Aditya Narayan Gangopadhyay's NPI number is 1588714406. It was assigned on January 11, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Aditya Narayan Gangopadhyay?

Dr. Aditya Narayan Gangopadhyay is an internist in Oakland, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Aditya Narayan Gangopadhyay practice?

Dr. Gangopadhyay practices at 380 West MacArthur Boulevard, Oakland, CA 94609. Dr. Gangopadhyay's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.

What is Dr. Aditya Narayan Gangopadhyay's office phone number?

The practice phone on file for Dr. Gangopadhyay is (510) 251-0121.

What is Dr. Aditya Narayan Gangopadhyay's medical license number?

Dr. Gangopadhyay holds California license A94759.

Which hospitals is Dr. Aditya Narayan Gangopadhyay affiliated with?

Dr. Gangopadhyay is affiliated with Oakland Medical Center.

What medical group is Dr. Aditya Narayan Gangopadhyay part of?

Dr. Gangopadhyay is linked to The Permanente Medical Group, Inc.

Does Dr. Aditya Narayan Gangopadhyay accept Medicare?

Yes. CMS data shows Dr. Gangopadhyay billed Medicare for 42 services in 2024, and Dr. Gangopadhyay accepts Medicare assignment.

How many Medicare patients does Dr. Aditya Narayan Gangopadhyay see?

CMS counts 36 Medicare patients who saw Dr. Gangopadhyay in 2024, with an average age of 72.

Is Dr. Aditya Narayan Gangopadhyay board certified?

Yes. Dr. Gangopadhyay is board certified in internal medicine by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Aditya Narayan Gangopadhyay bill to Medicare?

In 2024, Dr. Gangopadhyay's most billed Medicare services were hospital inpatient care (99232).

Where did Dr. Aditya Narayan Gangopadhyay go to medical school?

Dr. Gangopadhyay graduated from Vanderbilt University School Of Medicine in 2004.

How long has Dr. Aditya Narayan Gangopadhyay been practicing?

Dr. Gangopadhyay graduated from medical school in 2004, 22 years ago.

Does Dr. Aditya Narayan Gangopadhyay do research?

Dmand AI links 2 publications to Dr. Gangopadhyay, published from 2001 to 2020.

Who does Dr. Aditya Narayan Gangopadhyay publish with?

Dr. Gangopadhyay's most frequent co-authors are Alan M. Fogelman, MD (1 shared paper).

What insurance does Dr. Aditya Narayan Gangopadhyay accept?

Dr. Gangopadhyay 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.

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