Dr. Leonard E. Ranasinghe, MD
- Medicare services, 2017
- 128
- Part D claims, 2024
- 53
- Publications
- 2
- Industry payments
- $160
- Affiliated sites
- 1
- Practice address
- 1133 W Sycamore St, Willows, CA 95988
- Practice phone
- Call (530) 934-1800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Glenn Medical Center
Willows, California
Find Dr. Ranasinghe's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Leonard E. Ranasinghe is an emergency medicine physician in Willows, California
Dr. Ranasinghe practices at Glenn Medical Center in Willows, California.
Dr. Ranasinghe's NPI, 1295813780, was assigned on November 1, 2006. Dr. Ranasinghe graduated from Loma Linda University School Of Medicine in 1981. Dr. Ranasinghe holds California license G63199.
- NPI
- 1295813780NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002918091
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 934-1800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonard E. Ranasinghe practices at Glenn Medical Center in Willows, California
Dr. Ranasinghe's primary practice is Glenn Medical Center, at 1133 W Sycamore St, Willows, CA 95988 in Glenn County. The practice phone is (530) 934-1800.
- Glenn Medical Center1133 W Sycamore St, Willows, CA 95988 · Glenn CountyPhone(530) 934-1800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leonard E. Ranasinghe is affiliated with 2 sites of care and 7 medical groups
Dr. Ranasinghe's primary practice is Glenn Medical Center in Willows, California. The medical group on file is Team Physicians of California Medical Group Inc. Dmand AI also links Dr. Ranasinghe to 6 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Leonard E. Ranasinghe's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ranasinghe practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Glenn Medical Center | Available with a free account |
| +1 more site and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leonard E. Ranasinghe is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Ranasinghe's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Ranasinghe's licenses on file in 8 states: California, Guam, Florida, Minnesota, Virginia, New Mexico, Maryland and Ohio.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Guam license
- Florida license
- Minnesota license
- Virginia license
- New Mexico license
- Maryland license
- Ohio license
Emergency medicine physicians near Dr. Ranasinghe
Counts of emergency medicine physicians 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. Leonard E. Ranasinghe billed Medicare for 128 services in 2017
CMS data shows 128 Medicare services from Dr. Ranasinghe across 3 procedure codes in 2017. Medicare paid $14,456 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ranasinghe's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 1102017: 12816%
- Tests and treatments
- 2016: 242017: 0100%
Dr. Ranasinghe compared with the California median for emergency medicine physicians, 2017
- Dr. Ranasinghe
- California median
- Medicare services
- 128vs 26552% below
- Part D claims
- 12vs 6281% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Ranasinghe's most billed Medicare procedure codes, 2017
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ranasinghe?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ranasinghe and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leonard E. Ranasinghe wrote 53 Medicare Part D claims in 2024
In 2024, Dr. Ranasinghe wrote 53 Medicare Part D claims for 12 patients. 66% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $64 in total drug cost.
Dr. Ranasinghe's Part D claims by kind of drug, 2024
- Generic35 claims66%
- Brand-name and other18 claims34%
Dr. Ranasinghe'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.
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. Leonard E. Ranasinghe takes part in Medicare
Dr. Ranasinghe 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Leonard E. Ranasinghe has 2 publications on record
Dmand AI links 2 papers to Dr. Ranasinghe in 2023. Dr. Ranasinghe's most frequent co-authors are Gurvijay Singh Bains, MD, Shebani Dandekar, MD, MS and Edward James Durant, MD.
Dr. Ranasinghe's most frequent co-authors
- Gurvijay Singh Bains, MD1 shared paper
- Shebani Dandekar, MD, MS1 shared paper
- Edward James Durant, MD1 shared paper
Recent publications by Dr. Ranasinghe
See who Dr. Ranasinghe researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ranasinghe works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Leonard E. Ranasinghe received $160 in industry payments from 2016 to 2018
CMS Open Payments shows 4 general payments to Dr. Ranasinghe from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Mylan Inc. paid the most, $115.
General payments to Dr. Ranasinghe by program year, 2016 to 2018
Companies that paid Dr. Ranasinghe the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leonard E. Ranasinghe graduated from Loma Linda University School Of Medicine
Dr. Ranasinghe graduated from Loma Linda University School Of Medicine in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Leonard E. Ranasinghe accepts plans from 12 insurance carriers
Dr. Ranasinghe is in network with 12 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- United Healthcare
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Ranasinghe accepts, by number of carriers
- PPO7
- HMO6
- EPO3
- Medicare2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Leonard E. Ranasinghe'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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. Leonard E. Ranasinghe
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. Leonard E. Ranasinghe's NPI number?
Dr. Leonard E. Ranasinghe's NPI number is 1295813780. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonard E. Ranasinghe?
Dr. Leonard E. Ranasinghe is an emergency medicine physician in Willows, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Leonard E. Ranasinghe practice?
Dr. Ranasinghe practices at 1133 W Sycamore St, Willows, CA 95988. Dr. Ranasinghe's primary practice is Glenn Medical Center in Willows, California. Dmand AI also links Dr. Ranasinghe to 6 medical groups and 1 group practice or clinic.
What is Dr. Leonard E. Ranasinghe's office phone number?
The practice phone on file for Dr. Ranasinghe is (530) 934-1800.
What is Dr. Leonard E. Ranasinghe's medical license number?
Dr. Ranasinghe holds California license G63199, one of the licenses on file in 8 states.
Which states has Dr. Leonard E. Ranasinghe been licensed in?
Dmand AI has state licenses on file for Dr. Ranasinghe in California (1988 to 2026), Guam (since 2025), Florida (2024 to 2026), Minnesota (2015 to 2016), Virginia (1983 to 2016), New Mexico (2013 to 2014), Maryland (1985 to 1989) and Ohio (1982 to 1988).
What medical group is Dr. Leonard E. Ranasinghe part of?
Dr. Ranasinghe is linked to Team Physicians of California Medical Group Inc. Dmand AI links Dr. Ranasinghe to 6 more medical groups.
Does Dr. Leonard E. Ranasinghe accept Medicare?
Yes. CMS data shows Dr. Ranasinghe billed Medicare for 128 services in 2017, and Dr. Ranasinghe accepts Medicare assignment.
What services does Dr. Leonard E. Ranasinghe bill to Medicare?
In 2017, Dr. Ranasinghe's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
Where did Dr. Leonard E. Ranasinghe go to medical school?
Dr. Ranasinghe graduated from Loma Linda University School Of Medicine in 1981.
Show 6 more questionsShow fewer questions
What drugs does Dr. Leonard E. Ranasinghe prescribe most?
In 2023 Medicare Part D data, Dr. Ranasinghe's most prescribed drugs by claims were Ibuprofen.
Has Dr. Leonard E. Ranasinghe received payments from drug or device companies?
CMS Open Payments shows $160 in general payments to Dr. Ranasinghe from 3 companies from 2016 to 2018. The largest total came from Mylan Inc.
How long has Dr. Leonard E. Ranasinghe been practicing?
Dr. Ranasinghe graduated from medical school in 1981, 45 years ago.
Does Dr. Leonard E. Ranasinghe do research?
Dmand AI links 2 publications to Dr. Ranasinghe.
Who does Dr. Leonard E. Ranasinghe publish with?
Dr. Ranasinghe's most frequent co-authors are Gurvijay Singh Bains, MD (1 shared paper), Shebani Dandekar, MD, MS (1 shared paper) and Edward James Durant, MD (1 shared paper).
What insurance does Dr. Leonard E. Ranasinghe accept?
Dr. Ranasinghe is in network with 12 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
Selling to emergency medicine practices?
See emergency medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card