Dr. Alok Bhattacharya, MD

  • Fremont, CA
  • Neurologist
NPI1528092996PAC ID4981760543
Medicare services, 2024
145
Medicare patients, 2024
28
Part D claims, 2024
98
Publications
6
Industry payments
$4,190
Practice address
3755 Beacon Ave, Fremont, CA 94538
Practice phone
Call (510) 791-2442
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

A K Bhattacharyya M D Inc

Fremont, California

See all 2 affiliations

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Dr. Alok Bhattacharya is a neurologist in Fremont, California

Dr. Bhattacharya practices at A K Bhattacharyya M D Inc in Fremont, California.

Dr. Bhattacharya's NPI, 1528092996, was assigned on July 10, 2006. Dr. Bhattacharya graduated from NRS Medical College Calcutta in 1974. Dr. Bhattacharya's California license number on file is 0A42257.

NPI and contact details
Medicare PAC ID
4981760543
NPI enumeration date
July 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 791-2442
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
72
Medical school graduation
1974

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

Dr. Alok Bhattacharya practices at A K Bhattacharyya M D Inc in Fremont, California

Dr. Bhattacharya's primary practice is A K Bhattacharyya M D Inc, at 3755 Beacon Ave, Fremont, CA 94538 in Alameda County. The practice phone is (510) 791-2442.

  • A K Bhattacharyya M D Inc
    3755 Beacon Ave, Fremont, CA 94538 · Alameda CountyPhone(510) 791-2442

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Alok Bhattacharya is affiliated with 2 sites of care

Dr. Bhattacharya's primary practice is A K Bhattacharyya M D Inc in Fremont, California. Dmand AI also links Dr. Bhattacharya to 1 physician office, named with a free account.

A K Bhattacharyya M D IncFremont, CaliforniaPrimary
1 physician officeName with a free account
See all 2 affiliations for Dr. Bhattacharya

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Alok Bhattacharya's practice

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

EHR by site
SiteEHR vendor and product
A K Bhattacharyya M D IncAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Alok Bhattacharya is one of 2,207 neurologists in California

Neurology is Dr. Bhattacharya's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Bhattacharya is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Bhattacharya's licenses on file in 5 states: California, Virginia, West Virginia, Georgia and Maryland.

Specialties and state licenses

  • Neurology, CaliforniaPrimaryLicense 0A42257 · 1985 to 2025 · taxonomy 2084N0400X
  • Virginia license1982 to 2000
  • West Virginia license1985 to 2000
  • Georgia license1982 to 1997
  • Maryland license1982 to 1994

Clinical focus

Dmand AI lists acute mini-stroke (TIA), cerebrovascular disease, epilepsy, essential tremor, fibromyalgia and chronic pain and nerve damage among the conditions Dr. Bhattacharya treats.

Neurologists near Dr. Bhattacharya

Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.

2,207neurologists in California
9neurologists in Fremont

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Alok Bhattacharya billed Medicare for 145 services in 2024

CMS data shows 145 Medicare services from Dr. Bhattacharya across 4 procedure codes in 2024, for 28 Medicare patients. Medicare paid $22,434 for them. Every service was in an office.

Medicare services, 2024145
Medicare patients28
Paid by Medicare$22,434
Procedure codes4

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

  • 2023
  • 2024
Tests and treatments
2023: 7912024: 12185%
Office and hospital visits
2023: 2792024: 2491%

Dr. Bhattacharya compared with the California median for neurologists, 2024

  • Dr. Bhattacharya
  • California median
Medicare services
145vs 40464% below
Medicare patients
28vs 19085% below
Part D claims
53vs 32484% below

Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.

Dr. Bhattacharya'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. Bhattacharya

Need commercial claims for Dr. Bhattacharya?

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

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

Dr. Alok Bhattacharya treated 28 Medicare patients in 2024, average age 74

CMS counts 28 Medicare patients who saw Dr. Bhattacharya in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.20, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Bhattacharya's median patient age at 56, with 61% women.

Medicare patients, 202428
Average age74
Average risk score1.20

Dr. Bhattacharya's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Bhattacharya's Medicare patients by sex, 2024

  • Women1761%
  • Men1139%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis71%
  4. Diabetes57%
  5. Stroke or TIA46%

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

Dr. Bhattacharya's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women61%
  • Men37%

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

Dr. Alok Bhattacharya wrote 98 Medicare Part D claims in 2024

In 2024, Dr. Bhattacharya wrote 98 Medicare Part D claims for 38 patients. 99% of them were for generic drugs. CMS names the drug for 53 of them, across 3 drugs with 11 or more claims each, at $1,361 in total drug cost. In 2023, CMS named 316 claims across 11 drugs.

Part D claims, 202498
Drugs named by CMS3
Total drug cost$1,361
Part D patients38

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

  • Generic97 claims99%
  • Brand-name and other1 claims1%

Dr. Bhattacharya'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3162024: 5383%

Drugs named by CMS: 3 in 2024, 11 in 2023.

See all prescribing by Dr. Bhattacharya

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. Alok Bhattacharya takes part in Medicare

Dr. Bhattacharya 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. Alok Bhattacharya has 6 publications on record

Dmand AI links 6 papers to Dr. Bhattacharya, published from 2007 to 2011. The most frequent topics are Cell Line and Entamoeba histolytica. Dr. Bhattacharya's most frequent co-author is Chhavi Agarwal, MD.

Papers6
Years published2007 to 2011

Topics Dr. Bhattacharya writes about most

  • Cell Line
  • Entamoeba histolytica

Dr. Bhattacharya's most frequent co-authors

Recent publications by Dr. Bhattacharya

See all 6 publications and co-authors

See who Dr. Bhattacharya researches with

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

How network discovery works

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

Dr. Alok Bhattacharya received $4,190 in industry payments from 2016 to 2025

CMS Open Payments shows 207 general payments to Dr. Bhattacharya from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Eisai Inc. paid the most, $1,034.

General payments to Dr. Bhattacharya by program year, 2016 to 2025

Companies that paid Dr. Bhattacharya the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Bhattacharya

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Alok Bhattacharya graduated from NRS Medical College Calcutta

Dr. Bhattacharya graduated from NRS Medical College Calcutta in 1974.

  1. Medical schoolNRS Medical College Calcutta
  2. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Alok Bhattacharya accepts plans from 13 insurance carriers

Dr. Bhattacharya is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +5 more carriersWith a free account

Plan types Dr. Bhattacharya accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO7
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Alok Bhattacharya'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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. Alok Bhattacharya

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. Alok Bhattacharya's NPI number?

Dr. Alok Bhattacharya's NPI number is 1528092996. It was assigned on July 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Alok Bhattacharya?

Dr. Alok Bhattacharya is a neurologist in Fremont, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Alok Bhattacharya practice?

Dr. Bhattacharya practices at 3755 Beacon Ave, Fremont, CA 94538. Dr. Bhattacharya's primary practice is A K Bhattacharyya M D Inc in Fremont, California. Dmand AI also links Dr. Bhattacharya to 1 physician office.

What is Dr. Alok Bhattacharya's office phone number?

The practice phone on file for Dr. Bhattacharya is (510) 791-2442.

What is Dr. Alok Bhattacharya's medical license number?

Dr. Bhattacharya's California license number on file is 0A42257, one of the licenses on file in 5 states.

Which states has Dr. Alok Bhattacharya been licensed in?

Dmand AI has state licenses on file for Dr. Bhattacharya in California (1985 to 2025), Virginia (1982 to 2000), West Virginia (1985 to 2000), Georgia (1982 to 1997) and Maryland (1982 to 1994).

Does Dr. Alok Bhattacharya accept Medicare?

Yes. CMS data shows Dr. Bhattacharya billed Medicare for 145 services in 2024, and Dr. Bhattacharya accepts Medicare assignment.

How many Medicare patients does Dr. Alok Bhattacharya see?

CMS counts 28 Medicare patients who saw Dr. Bhattacharya in 2024, with an average age of 74.

Is Dr. Alok Bhattacharya board certified?

Yes. Dr. Bhattacharya is board certified in neurology by the American Board of Psychiatry and Neurology.

What services does Dr. Alok Bhattacharya bill to Medicare?

In 2024, Dr. Bhattacharya's most billed Medicare services were nerve and brain test (95886), nerve and brain test (95816) and office visit, new patient (99204).

Show 7 more questionsShow fewer questions

Where did Dr. Alok Bhattacharya go to medical school?

Dr. Bhattacharya graduated from NRS Medical College Calcutta in 1974.

What drugs does Dr. Alok Bhattacharya prescribe most?

In 2024 Medicare Part D data, Dr. Bhattacharya's most prescribed drugs by claims were Levetiracetam, Carbidopa-Levodopa and Phenytoin Sodium Extended.

Has Dr. Alok Bhattacharya received payments from drug or device companies?

CMS Open Payments shows $4,190 in general payments to Dr. Bhattacharya from 25 companies from 2016 to 2025. The largest total came from Eisai Inc.

How long has Dr. Alok Bhattacharya been practicing?

Dr. Bhattacharya graduated from medical school in 1974, 52 years ago.

Does Dr. Alok Bhattacharya do research?

Dmand AI links 6 publications to Dr. Bhattacharya, published from 2007 to 2011.

Who does Dr. Alok Bhattacharya publish with?

Dr. Bhattacharya's most frequent co-authors are Chhavi Agarwal, MD (1 shared paper).

What insurance does Dr. Alok Bhattacharya accept?

Dr. Bhattacharya is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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