Dr. Debika Bhattacharya, MD

  • Los Angeles, CA
  • Infectious disease specialist
NPI1316937014PAC ID9133127178
Medicare services, 2024
16
Medicare patients, 2024
15
Part D claims, 2023
13
Publications
5
Clinical trials
3
Practice address
757 Westwood Plaza, Los Angeles, CA 90095
Practice phone
Call (310) 825-6301
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Ronald Reagan UCLA Medical Center

Hospital · Los Angeles, California

See all 3 affiliations

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Dr. Debika Bhattacharya is an infectious disease specialist in Los Angeles, California

Dr. Bhattacharya practices at Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health.

Dr. Bhattacharya's NPI, 1316937014, was assigned on October 24, 2005. Dr. Bhattacharya graduated from Boston University School Of Medicine in 1997. Dr. Bhattacharya holds California license A73524.

NPI and contact details
Medicare PAC ID
9133127178
NPI enumeration date
October 24, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(310) 825-6301
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
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. Debika Bhattacharya practices at Ronald Reagan UCLA Medical Center in Los Angeles, California

Dr. Bhattacharya's primary practice is Ronald Reagan UCLA Medical Center, at 757 Westwood Plaza, Los Angeles, CA 90095 in Los Angeles County. The practice phone is (310) 825-6301.

Source: Dmand AI Affiliation Data

Dr. Debika Bhattacharya is affiliated with 2 sites of care and 1 medical group

Dr. Bhattacharya's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. The medical group on file is UCLA Medical Group. Dmand AI also links Dr. Bhattacharya to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Bhattacharya

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

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

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

EHR by site
SiteEHR vendor and product
Ronald Reagan UCLA 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. Debika Bhattacharya is one of 1,054 infectious disease specialists in California

Infectious disease is Dr. Bhattacharya's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Bhattacharya is board certified in infectious disease by the American Board of Internal Medicine. Dr. Bhattacharya is licensed in California.

Specialties and state licenses

  • Infectious disease, CaliforniaPrimaryLicense A73524 · 2000 to 2026 · taxonomy 207RI0200X

Infectious disease specialists near Dr. Bhattacharya

Counts of infectious disease specialists 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. Debika Bhattacharya billed Medicare for 16 services in 2024

CMS data shows 16 Medicare services from Dr. Bhattacharya across 1 procedure code in 2024, for 15 Medicare patients. Medicare paid $1,566 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202416
Medicare patients15
Paid by Medicare$1,566
Procedure codes1

Dr. Bhattacharya's Medicare services by type, 2020 to 2024

  • 2020
  • 2024
Office and hospital visits
2020: 582024: 1672%
Other services
2020: 112024: 0100%

Dr. Bhattacharya compared with the California median for infectious disease specialists, 2024

  • Dr. Bhattacharya
  • California median
Medicare services
16vs 42996% below
Medicare patients
15vs 18092% below
Part D claims
13vs 11989% below

Medians across 930 infectious disease specialists 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 infectious disease specialists in California.

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

Dr. Debika Bhattacharya treated 15 Medicare patients in 2024, average age 75

CMS counts 15 Medicare patients who saw Dr. Bhattacharya in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.93, 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. Bhattacharya's median patient age at 68, with 0% women.

Medicare patients, 202415
Average age75
Average risk score2.93

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis73%

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 68

Patient panel by sex, all payers

  • Women0%
  • Men100%

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

Dr. Debika Bhattacharya wrote 13 Medicare Part D claims in 2023

In 2023, Dr. Bhattacharya wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $618 in total drug cost. In 2021, CMS named 12 claims across 1 drug.

Part D claims, 202313
Drugs named by CMS1
Total drug cost$618

Dr. Bhattacharya's most prescribed drugs by claims, 2023

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, 2021 to 2023

  • 2021
  • 2023
Claims for drugs CMS names
2021: 122023: 138%

Drugs named by CMS: 1 in 2023, 1 in 2021.

See all prescribing by Dr. Bhattacharya

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Debika Bhattacharya scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Bhattacharya for performance year 2024, reported as part of a group. Dr. Bhattacharya accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Bhattacharya's MIPS scores, performance year 2024

  • 88of 100Final score
  • 79.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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Dr. Debika Bhattacharya has 5 publications on record

Dmand AI links 5 papers to Dr. Bhattacharya, published from 2020 to 2025. Dr. Bhattacharya's most frequent co-authors are Elizabeth Stanton Teter Aby, MD, Jihane Nejma Benhammou, BS and Aileen Bui, MD.

Papers5
Years published2020 to 2025

Dr. Bhattacharya's papers by year, 2020 to 2025

Dr. Bhattacharya's most frequent co-authors

Recent publications by Dr. Bhattacharya

See all 5 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 infectious disease specialists.

How network discovery works

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

Dr. Debika Bhattacharya has worked on 3 clinical trials

Dmand AI links Dr. Bhattacharya to 3 clinical trials. Conditions studied include Hepatitis B, Chronic, Hepatitis C and Flaviviridae Infections.

Clinical trials with Dr. Bhattacharya by phase

  1. NonePhase 1: no trials
  2. 1Phase 1/2: 1 trial
  3. 1Phase 2: 1 trial
  4. NonePhase 3: no trials
  5. NonePhase 4: no trials

Conditions in Dr. Bhattacharya's trials

  • Hepatitis B, Chronic
  • Hepatitis C
  • Flaviviridae Infections
  • Hepadnaviridae Infections

Investigators on the most trials with Dr. Bhattacharya

Recent clinical trials with Dr. Bhattacharya

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Debika Bhattacharya received $500 in industry payments from 2016 to 2017

CMS Open Payments shows 2 general payments to Dr. Bhattacharya from 1 drug or device company from 2016 to 2017. Speaker and faculty fees make up the largest share, 50% of the total. Janssen Pharmaceuticals, Inc paid the most, $500.

General payments to Dr. Bhattacharya by program year, 2016 to 2017

General payments to Dr. Bhattacharya by kind, 2016 to 2017

$500in total
  • Speaker and faculty fees$25050%
  • Consulting fees$25050%

Companies that paid Dr. Bhattacharya the most, 2016 to 2017

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. Debika Bhattacharya graduated from Boston University School Of Medicine

Dr. Bhattacharya graduated from Boston University School Of Medicine in 1997.

  1. Medical schoolBoston University School Of Medicine
  2. Board certified in infectious diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Debika Bhattacharya accepts plans from 15 insurance carriers

Dr. Bhattacharya is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Bhattacharya accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO7
  4. EPO4
  5. POS3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Debika 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 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 and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. Debika 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. Debika Bhattacharya's NPI number?

Dr. Debika Bhattacharya's NPI number is 1316937014. It was assigned on October 24, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Debika Bhattacharya?

Dr. Debika Bhattacharya is an infectious disease specialist in Los Angeles, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Debika Bhattacharya practice?

Dr. Bhattacharya practices at 757 Westwood Plaza, Los Angeles, CA 90095. Dr. Bhattacharya's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. Dmand AI also links Dr. Bhattacharya to 1 group practice or clinic.

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

The practice phone on file for Dr. Bhattacharya is (310) 825-6301.

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

Dr. Bhattacharya holds California license A73524.

Which hospitals is Dr. Debika Bhattacharya affiliated with?

Dr. Bhattacharya practices at Ronald Reagan UCLA Medical Center in Los Angeles, California.

What medical group is Dr. Debika Bhattacharya part of?

Dr. Bhattacharya is linked to UCLA Medical Group.

Does Dr. Debika Bhattacharya accept Medicare?

Yes. CMS data shows Dr. Bhattacharya billed Medicare for 16 services in 2024, and Dr. Bhattacharya accepts Medicare assignment.

What is Dr. Debika Bhattacharya's MIPS score?

Dr. Bhattacharya's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does Dr. Debika Bhattacharya see?

CMS counts 15 Medicare patients who saw Dr. Bhattacharya in 2024, with an average age of 75.

Show 9 more questionsShow fewer questions

Is Dr. Debika Bhattacharya board certified?

Yes. Dr. Bhattacharya is board certified in infectious disease by the American Board of Internal Medicine.

What services does Dr. Debika Bhattacharya bill to Medicare?

In 2024, Dr. Bhattacharya's most billed Medicare services were hospital inpatient care (99233).

Where did Dr. Debika Bhattacharya go to medical school?

Dr. Bhattacharya graduated from Boston University School Of Medicine in 1997.

What drugs does Dr. Debika Bhattacharya prescribe most?

In 2023 Medicare Part D data, Dr. Bhattacharya's most prescribed drugs by claims were Entecavir.

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

CMS Open Payments shows $500 in general payments to Dr. Bhattacharya from 1 company from 2016 to 2017. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Debika Bhattacharya been practicing?

Dr. Bhattacharya graduated from medical school in 1997, 29 years ago.

Does Dr. Debika Bhattacharya do research?

Dmand AI links 5 publications to Dr. Bhattacharya, published from 2020 to 2025. Dr. Bhattacharya has worked on 3 clinical trials.

Who does Dr. Debika Bhattacharya publish with?

Dr. Bhattacharya's most frequent co-authors are Elizabeth Stanton Teter Aby, MD (1 shared paper), Jihane Nejma Benhammou, BS (1 shared paper) and Aileen Bui, MD (1 shared paper).

What insurance does Dr. Debika Bhattacharya accept?

Dr. Bhattacharya is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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