Dr. Christopher Lakshman Gunasekera, MD
- Medicare services, 2019
- 28
- Part D claims, 2024
- 599
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 2400 Moorpark Ave, Suites 100-118-204-212-220, San Jose, CA 95128
- Practice phone
- Call (408) 885-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Valley Health Center Moorpark
FQHC - Main Site · San Jose, California
Find Dr. Gunasekera's professional email, personal email and mobile number
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Dr. Christopher Lakshman Gunasekera is an internist in San Jose, California
Dr. Gunasekera practices at Valley Health Center Moorpark in San Jose, California.
Dr. Gunasekera's NPI, 1275597452, was assigned on April 14, 2006. Dr. Gunasekera graduated from University of Colombo Faculty of Medicine in 1978. Dr. Gunasekera holds California license A41868.
- NPI
- 1275597452NPI Registry (opens in a new tab)
- NPI enumeration date
- April 14, 2006
- NPI status
- Active
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Christopher Lakshman Gunasekera practices at Valley Health Center Moorpark in San Jose, California
Dr. Gunasekera's primary practice is Valley Health Center Moorpark, at 2400 Moorpark Ave, Suites 100-118-204-212-220, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.
- Valley Health Center Moorpark2400 Moorpark Ave, Suites 100-118-204-212-220, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000
Source: Dmand AI Affiliation Data
Dr. Christopher Lakshman Gunasekera is affiliated with 2 sites of care and 1 medical group
Dr. Gunasekera's primary practice is Valley Health Center Moorpark in San Jose, California. Dr. Gunasekera is also affiliated with Santa Clara Valley Medical Center. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dr. Gunasekera's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher Lakshman Gunasekera's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gunasekera practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valley Health Center Moorpark | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Lakshman Gunasekera is one of 16,751 internists in California
Internal medicine is Dr. Gunasekera's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gunasekera is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Gunasekera's licenses on file in 3 states: California, Illinois and Texas.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Illinois license
- Texas license
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, asthma, bronchitis, chronic hypertension, conjunctivitis, ear infection and eyelid inflammation among the conditions Dr. Gunasekera treats.
Internists near Dr. Gunasekera
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. Christopher Lakshman Gunasekera billed Medicare for 28 services in 2019
CMS data shows 28 Medicare services from Dr. Gunasekera across 2 procedure codes in 2019. Medicare paid $2,080 for them. Every service was in an office.
Dr. Gunasekera's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Imaging
- 2018: 252019: 2812%
Dr. Gunasekera compared with the California median for internists, 2019
- Dr. Gunasekera
- California median
- Medicare services
- 28vs 36192% below
- Part D claims
- 285vs 42132% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Gunasekera's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gunasekera and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Lakshman Gunasekera's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Gunasekera's median patient age at 64, with 57% women.
Dr. Gunasekera's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Christopher Lakshman Gunasekera wrote 599 Medicare Part D claims in 2024
In 2024, Dr. Gunasekera wrote 599 Medicare Part D claims for 296 patients. 73% of them were for generic drugs. CMS names the drug for 285 of them, across 13 drugs with 11 or more claims each, at $6,882 in total drug cost. In 2023, CMS named 391 claims across 18 drugs.
Dr. Gunasekera's Part D claims by kind of drug, 2024
- Generic438 claims73%
- Brand-name116 claims19%
- Other45 claims8%
Dr. Gunasekera'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. Gunasekera's Part D claims, 2024
- Antibiotics13%80 of 599 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: 3912024: 28527%
Drugs named by CMS: 13 in 2024, 18 in 2023.
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
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Dr. Christopher Lakshman Gunasekera graduated from University of Colombo Faculty of Medicine
Dr. Gunasekera graduated from University of Colombo Faculty of Medicine in 1978. Dr. Gunasekera is a member of AAIM and ACP.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Christopher Lakshman Gunasekera accepts plans from 1 insurance carrier
Dr. Gunasekera is in network with 1 carrier, including Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
Plan types Dr. Gunasekera accepts, by number of carriers
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Christopher Lakshman Gunasekera's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Christopher Lakshman Gunasekera
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. Christopher Lakshman Gunasekera's NPI number?
Dr. Christopher Lakshman Gunasekera's NPI number is 1275597452. It was assigned on April 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Lakshman Gunasekera?
Dr. Christopher Lakshman Gunasekera is an internist in San Jose, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Christopher Lakshman Gunasekera practice?
Dr. Gunasekera practices at 2400 Moorpark Ave, Suites 100-118-204-212-220, San Jose, CA 95128. Dr. Gunasekera's primary practice is Valley Health Center Moorpark in San Jose, California.
What is Dr. Christopher Lakshman Gunasekera's office phone number?
The practice phone on file for Dr. Gunasekera is (408) 885-5000.
What is Dr. Christopher Lakshman Gunasekera's medical license number?
Dr. Gunasekera holds California license A41868, one of the licenses on file in 3 states.
Which states has Dr. Christopher Lakshman Gunasekera been licensed in?
Dmand AI has state licenses on file for Dr. Gunasekera in California (1985 to 2026), Illinois (1982 to 1987) and Texas (1981 to 1987).
Which hospitals is Dr. Christopher Lakshman Gunasekera affiliated with?
Dr. Gunasekera is affiliated with Santa Clara Valley Medical Center.
What medical group is Dr. Christopher Lakshman Gunasekera part of?
Dr. Gunasekera is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.
Does Dr. Christopher Lakshman Gunasekera accept Medicare?
Yes. CMS data shows Dr. Gunasekera billed Medicare for 28 services in 2019.
Is Dr. Christopher Lakshman Gunasekera board certified?
Yes. Dr. Gunasekera is board certified in internal medicine by the American Board of Internal Medicine.
Show 5 more questionsShow fewer questions
What services does Dr. Christopher Lakshman Gunasekera bill to Medicare?
In 2019, Dr. Gunasekera's most billed Medicare services were diagnostic imaging (71046) and radiation oncology (77067).
Where did Dr. Christopher Lakshman Gunasekera go to medical school?
Dr. Gunasekera graduated from University of Colombo Faculty of Medicine in 1978.
What drugs does Dr. Christopher Lakshman Gunasekera prescribe most?
In 2024 Medicare Part D data, Dr. Gunasekera's most prescribed drugs by claims were Paxlovid, Atorvastatin Calcium and Amlodipine Besylate.
How long has Dr. Christopher Lakshman Gunasekera been practicing?
Dr. Gunasekera graduated from medical school in 1978, 48 years ago.
What insurance does Dr. Christopher Lakshman Gunasekera accept?
Dr. Gunasekera is in network with 1 carrier, including Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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