Deepa Dharshani Nanayakkara

  • Duarte, CA
  • Infectious disease specialist
NPI1629337076PAC ID0042575250
Medicare services, 2024
440
Medicare patients, 2024
132
Part D claims, 2024
139
Publications
15
MIPS score, 2024
93
Practice address
1500 Duarte Rd, Duarte, CA 91010
Practice phone
Call (800) 826-4673
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

City of Hope Comprehensive Cancer Center - Duarte

Duarte, California

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Deepa Dharshani Nanayakkara is an infectious disease specialist in Duarte, California

Deepa Nanayakkara practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.

Deepa Nanayakkara's NPI, 1629337076, was assigned on May 4, 2012. Deepa Nanayakkara graduated from UNR Med in 2012. Deepa Nanayakkara holds California license A130091.

NPI and contact details
Medicare PAC ID
0042575250
NPI enumeration date
May 4, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(800) 826-4673
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
40
Medical school graduation
2012

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

Deepa Dharshani Nanayakkara practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California

Deepa Nanayakkara's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.

  • City of Hope Comprehensive Cancer Center - Duarte
    1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673

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

Deepa Dharshani Nanayakkara is affiliated with 2 sites of care and 2 medical groups

Deepa Nanayakkara's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Deepa Nanayakkara to 1 more other site and 1 medical group, each named with a free account.

See all 4 affiliations for Deepa Nanayakkara

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

Dmand AI tracks the EHR system at Deepa Dharshani Nanayakkara's practice

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

EHR by site
SiteEHR vendor and product
City of Hope Comprehensive Cancer Center - DuarteAvailable 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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Deepa Dharshani Nanayakkara is one of 1,054 infectious disease specialists in California

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

Specialties and state licenses

  • Infectious disease, CaliforniaPrimaryLicense A130091 · 2014 to 2026 · taxonomy 207RI0200X

Clinical focus

Dmand AI lists cold sores or genital herpes, hiv/aids and pneumonia among the conditions Deepa Nanayakkara treats.

Infectious disease specialists near Deepa Nanayakkara

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

1,054infectious disease specialists in California
9infectious disease specialists in Duarte

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

Deepa Dharshani Nanayakkara billed Medicare for 440 services in 2024

CMS data shows 440 Medicare services from Deepa Nanayakkara across 8 procedure codes in 2024, for 132 Medicare patients. Medicare paid $42,551 for them.

Medicare services, 2024440
Medicare patients132
Paid by Medicare$42,551
Procedure codes8

Deepa Nanayakkara's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3952024: 3853%
Other services
2023: 362024: 5553%

Where Deepa Nanayakkara's Medicare services took place, 2024

  • In an office225%
  • In a facility41895%

Deepa Nanayakkara compared with the California median for infectious disease specialists, 2024

  • Deepa Nanayakkara
  • California median
Medicare services
440vs 429Close to median
Medicare patients
132vs 18027% below
Part D claims
74vs 11938% below

Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.

Deepa Nanayakkara'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 Deepa Nanayakkara

Need commercial claims for Deepa Nanayakkara?

Medicare shows one payer. Book a meeting to get commercial claims data for Deepa Nanayakkara 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

Deepa Dharshani Nanayakkara treated 132 Medicare patients in 2024, average age 71

CMS counts 132 Medicare patients who saw Deepa Nanayakkara in 2024. The largest group is 65 to 74, with 71 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 37% are also on Medicaid. Their average risk score is 4.00, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Deepa Nanayakkara's median patient age at 65, with 44% women.

Medicare patients, 2024132
Average age71
Average risk score4.00
Also on Medicaid37%

Deepa Nanayakkara's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Deepa Nanayakkara's Medicare patients by sex, 2024

  • Women6650%
  • Men6650%

Chronic conditions among Deepa Nanayakkara's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol72%
  3. Arthritis52%
  4. Diabetes42%
  5. Ischemic heart disease41%
  6. Chronic kidney disease40%
  7. Heart failure36%
  8. COPD34%

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

Deepa Nanayakkara's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women44%
  • Men55%

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

Deepa Dharshani Nanayakkara wrote 139 Medicare Part D claims in 2024

In 2024, Deepa Nanayakkara wrote 139 Medicare Part D claims for 23 patients. 75% of them were for generic drugs. CMS names the drug for 74 of them, across 5 drugs with 11 or more claims each, at $56,963 in total drug cost. In 2023, CMS named 83 claims across 6 drugs.

Part D claims, 2024139
Drugs named by CMS5
Total drug cost$56,963
Part D patients23

Deepa Nanayakkara's Part D claims by kind of drug, 2024

  • Generic104 claims75%
  • Brand-name35 claims25%

Deepa Nanayakkara'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 Deepa Nanayakkara's Part D claims, 2024

  • Antibiotics27%38 of 139 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: 832024: 7411%

Drugs named by CMS: 5 in 2024, 6 in 2023.

See all prescribing by Deepa Nanayakkara

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

Deepa Dharshani Nanayakkara scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Deepa Nanayakkara for performance year 2024, reported as part of a group. Deepa Nanayakkara accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Deepa Nanayakkara as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Deepa Nanayakkara's MIPS scores, performance year 2024

  • 93of 100Final score
  • 78.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 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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Deepa Dharshani Nanayakkara has 15 publications on record

Dmand AI links 15 papers to Deepa Nanayakkara, published from 2019 to 2024. 2024 was the busiest year, with 3. The most frequent topics are Organ Transplantation, Antibodies, Viral and COVID-19. Deepa Nanayakkara has published most often in Curr Opin Organ Transplant. Deepa Nanayakkara's most frequent co-authors are Sanjeet Singh Dadwal, MD, Randy Allison Taplitz, MD and Alfredo Gonzalo Puing, MD.

Papers15
Years published2019 to 2024

Deepa Nanayakkara's papers by year, 2019 to 2024

Topics Deepa Nanayakkara writes about most

  • Organ Transplantation
  • Antibodies, Viral
  • COVID-19
  • HIV Infections
  • SARS-CoV-2
  • Transplant Recipients

Deepa Nanayakkara's most frequent co-authors

Recent publications by Deepa Nanayakkara

See all 15 publications and co-authors

See who Deepa Nanayakkara researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Deepa Nanayakkara 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

Deepa Dharshani Nanayakkara received $386 in industry payments from 2017 to 2025

CMS Open Payments shows 4 general payments to Deepa Nanayakkara from 3 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 64% of the total. Astellas Pharma US Inc paid the most, $139.

General payments to Deepa Nanayakkara by program year, 2017 to 2025

General payments to Deepa Nanayakkara by kind, 2017 to 2025

$386in total
  • Food and beverage$24764%
  • Education$13936%

Companies that paid Deepa Nanayakkara the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Deepa Nanayakkara

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

Deepa Dharshani Nanayakkara graduated from UNR Med

Deepa Nanayakkara graduated from UNR Med in 2012.

  1. Medical schoolUNR Med
  2. Board certified in infectious diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Deepa Dharshani Nanayakkara accepts plans from 10 insurance carriers

Deepa Nanayakkara is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +2 more carriersWith a free account

Plan types Deepa Nanayakkara accepts, by number of carriers

  1. Medicare8
  2. PPO7
  3. HMO4
  4. EPO3
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Deepa Dharshani Nanayakkara'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 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)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)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
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 Deepa Dharshani Nanayakkara

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Deepa Dharshani Nanayakkara's NPI number?

Deepa Dharshani Nanayakkara's NPI number is 1629337076. It was assigned on May 4, 2012, and it is active in the NPI Registry.

What does Deepa Dharshani Nanayakkara specialize in?

Deepa Dharshani Nanayakkara is an infectious disease specialist in Duarte, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Deepa Dharshani Nanayakkara practice?

Deepa Nanayakkara practices at 1500 Duarte Rd, Duarte, CA 91010. Deepa Nanayakkara's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Deepa Nanayakkara to 1 other site and 1 medical group.

What is Deepa Dharshani Nanayakkara's office phone number?

The practice phone on file for Deepa Nanayakkara is (800) 826-4673.

What is Deepa Dharshani Nanayakkara's medical license number?

Deepa Nanayakkara holds California license A130091.

What medical group is Deepa Dharshani Nanayakkara part of?

Deepa Nanayakkara is linked to City of Hope. Dmand AI links Deepa Nanayakkara to 1 more medical group.

Does Deepa Dharshani Nanayakkara accept Medicare?

Yes. CMS data shows Deepa Nanayakkara billed Medicare for 440 services in 2024, and Deepa Nanayakkara accepts Medicare assignment.

Does Deepa Dharshani Nanayakkara offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Deepa Nanayakkara as offering telehealth services.

What is Deepa Dharshani Nanayakkara's MIPS score?

Deepa Nanayakkara's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

How many Medicare patients does Deepa Dharshani Nanayakkara see?

CMS counts 132 Medicare patients who saw Deepa Nanayakkara in 2024, with an average age of 71.

Show 9 more questionsShow fewer questions

Is Deepa Dharshani Nanayakkara board certified?

Yes. Deepa Nanayakkara is board certified in infectious disease by the American Board of Internal Medicine.

What services does Deepa Dharshani Nanayakkara bill to Medicare?

In 2024, Deepa Nanayakkara's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and office visit, established patient (99215).

Where did Deepa Dharshani Nanayakkara go to medical school?

Deepa Nanayakkara graduated from UNR Med in 2012.

What drugs does Deepa Dharshani Nanayakkara prescribe most?

In 2024 Medicare Part D data, Deepa Nanayakkara's most prescribed drugs by claims were Ethambutol HCl, Amoxicillin-Clavulanate Potass and Azithromycin.

Has Deepa Dharshani Nanayakkara received payments from drug or device companies?

CMS Open Payments shows $386 in general payments to Deepa Nanayakkara from 3 companies from 2017 to 2025. The largest total came from Astellas Pharma US Inc.

How long has Deepa Dharshani Nanayakkara been practicing?

Deepa Nanayakkara graduated from medical school in 2012, 14 years ago.

Does Deepa Dharshani Nanayakkara do research?

Dmand AI links 15 publications to Deepa Nanayakkara, published from 2019 to 2024.

Who does Deepa Dharshani Nanayakkara publish with?

Deepa Nanayakkara's most frequent co-authors are Sanjeet Singh Dadwal, MD (10 shared papers), Randy Allison Taplitz, MD (8 shared papers) and Alfredo Gonzalo Puing, MD (7 shared papers).

What insurance does Deepa Dharshani Nanayakkara accept?

Deepa Nanayakkara is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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