Dr. Saman N. Ratnayake, MD
- Medicare services, 2024
- 6,698
- Medicare patients, 2024
- 898
- Part D claims, 2024
- 18,591
- Publications
- 3
- MIPS score, 2024
- 86
- Practice address
- 575 North Thompson Road, Tipton, CA 93272
- Practice phone
- Call (559) 762-4147
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tipton Medical Clinic
Rural Health Clinic - Independent · Tipton, California
Find Dr. Ratnayake'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. Saman N. Ratnayake is an internist in Tipton, California
Dr. Ratnayake practices at Tipton Medical Clinic in Tipton, California.
Dr. Ratnayake's NPI, 1962506469, was assigned on September 13, 2006. Dr. Ratnayake graduated from Ross University School of Medicine in 1995. Dr. Ratnayake holds California license A56363.
- NPI
- 1962506469NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931019957
- NPI enumeration date
- September 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (559) 762-4147
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Saman N. Ratnayake practices at Tipton Medical Clinic in Tipton, California
Dr. Ratnayake's primary practice is Tipton Medical Clinic, at 575 North Thompson Road, Tipton, CA 93272. The practice phone is (559) 762-4147.
- Tipton Medical Clinic575 North Thompson Road, Tipton, CA 93272Phone(559) 762-4147
Source: Dmand AI Affiliation Data
Dr. Saman N. Ratnayake is affiliated with 12 sites of care and 1 medical group
Dr. Ratnayake's primary practice is Tipton Medical Clinic in Tipton, California. Dr. Ratnayake is also affiliated with Adventist Health Bakersfield. The medical group on file is Sam Ratnayake MD, Inc. Dmand AI also links Dr. Ratnayake to 4 more hospitals, 5 home health agencies and 1 group practice or clinic, each named with a free account. Dr. Ratnayake's employer is on file too: a rural health clinic (rhc).
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Saman N. Ratnayake's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ratnayake practices, 12 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tipton Medical Clinic | Available with a free account |
| +11 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Saman N. Ratnayake is one of 16,751 internists in California
Internal medicine is Dr. Ratnayake's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ratnayake is board certified in internal medicine by the American Board of Internal Medicine. Dr. Ratnayake is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, acute kidney failure, acute mini-stroke (TIA), acute respiratory failure, acute sinusitis, acute skin infection and anemia among the conditions Dr. Ratnayake treats.
Internists near Dr. Ratnayake
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. Saman N. Ratnayake billed Medicare for 6,698 services in 2024
CMS data shows 6,698 Medicare services from Dr. Ratnayake across 27 procedure codes in 2024, for 898 Medicare patients. Medicare paid $334,285 for them.
Dr. Ratnayake's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3,6252024: 3,8025%
- Surgery
- 2023: 9042024: 1,00611%
- Other services
- 2023: 3822024: 993160%
- Lab and pathology
- 2023: 4332024: 49113%
- Tests and treatments
- 2023: 3602024: 29618%
- Drugs given in the office
- 2023: 1622024: 11032%
Where Dr. Ratnayake's Medicare services took place, 2024
- In an office6,56698%
- In a facility1322%
Dr. Ratnayake compared with the California median for internists, 2024
- Dr. Ratnayake
- California median
- Medicare services
- 6,698vs 36118.6 times
- Medicare patients
- 898vs 1515.9 times
- Part D claims
- 17,696vs 42142.0 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Ratnayake'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ratnayake and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Saman N. Ratnayake treated 898 Medicare patients in 2024, average age 74
CMS counts 898 Medicare patients who saw Dr. Ratnayake in 2024. The largest group is 65 to 74, with 411 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ratnayake's median patient age at 62, with 58% women.
Dr. Ratnayake's Medicare patients by age, 2024
Dr. Ratnayake's Medicare patients by sex, 2024
- Women50056%
- Men39844%
Chronic conditions among Dr. Ratnayake's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes33%
- Ischemic heart disease31%
- Anxiety24%
- Chronic kidney disease18%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ratnayake's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Saman N. Ratnayake wrote 18,591 Medicare Part D claims in 2024
In 2024, Dr. Ratnayake wrote 18,591 Medicare Part D claims for 1,118 patients. 83% of them were for generic drugs. CMS names the drug for 17,696 of them, across 221 drugs with 11 or more claims each, at $1,827,933 in total drug cost. In 2023, CMS named 15,304 claims across 206 drugs.
Dr. Ratnayake's Part D claims by kind of drug, 2024
- Generic15,507 claims83%
- Brand-name2,890 claims16%
- Other194 claims1%
Dr. Ratnayake'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. Ratnayake's Part D claims, 2024
- Opioids4%654 of 18,591 claims
- Antibiotics2%426 of 18,591 claims
- Antipsychotics, patients 65 and over1%101 of 18,591 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: 15,3042024: 17,69616%
Drugs named by CMS: 221 in 2024, 206 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
Dr. Saman N. Ratnayake scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Ratnayake for performance year 2024, reported as part of a group. Dr. Ratnayake accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ratnayake as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Ratnayake's MIPS scores, performance year 2024
- 86of 100Final score
- 86.2of 100Quality
- 97of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 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
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Dr. Saman N. Ratnayake has 3 publications on record
Dmand AI links 3 papers to Dr. Ratnayake, published from 2015 to 2019. 2019 was the busiest year, with 2. Dr. Ratnayake's most frequent co-authors are Tushar Bajaj, MD, Hanh Duong, MD and Sundeep Grandhe, MD.
Dr. Ratnayake's most frequent co-authors
Recent publications by Dr. Ratnayake
Am J Case Rep
See who Dr. Ratnayake researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ratnayake works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Saman N. Ratnayake received $2,278 in industry payments from 2016 to 2025
CMS Open Payments shows 124 general payments to Dr. Ratnayake from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Sanofi and Genzyme US Companies paid the most, $259.
General payments to Dr. Ratnayake by program year, 2016 to 2025
General payments to Dr. Ratnayake by kind, 2016 to 2025
- Food and beverage$2,19596%
- Education$834%
Companies that paid Dr. Ratnayake the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Saman N. Ratnayake has 1 award and honors on record
Dmand AI lists 1 award for Dr. Ratnayake, most recently CMS Stage 1 EHR in 2012.
Awards and honors for Dr. Ratnayake
- 2012
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Saman N. Ratnayake graduated from Ross University School of Medicine
Dr. Ratnayake graduated from Ross University School of Medicine in 1995.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Saman N. Ratnayake accepts plans from 16 insurance carriers
Dr. Ratnayake is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +8 more carriersWith a free account
Plan types Dr. Ratnayake accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Saman N. Ratnayake'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Clinician Public Reporting: Overall MIPS Performance (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Saman N. Ratnayake
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. Saman N. Ratnayake's NPI number?
Dr. Saman N. Ratnayake's NPI number is 1962506469. It was assigned on September 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Saman N. Ratnayake?
Dr. Saman N. Ratnayake is an internist in Tipton, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Saman N. Ratnayake practice?
Dr. Ratnayake practices at 575 North Thompson Road, Tipton, CA 93272. Dr. Ratnayake's primary practice is Tipton Medical Clinic in Tipton, California. Dmand AI also links Dr. Ratnayake to 4 hospitals, 5 home health agencies and 1 group practice or clinic.
What is Dr. Saman N. Ratnayake's office phone number?
The practice phone on file for Dr. Ratnayake is (559) 762-4147.
What is Dr. Saman N. Ratnayake's medical license number?
Dr. Ratnayake holds California license A56363.
Which hospitals is Dr. Saman N. Ratnayake affiliated with?
Dr. Ratnayake is affiliated with Adventist Health Bakersfield. Dmand AI links Dr. Ratnayake to 4 more hospitals.
What medical group is Dr. Saman N. Ratnayake part of?
Dr. Ratnayake is linked to Sam Ratnayake MD, Inc.
Does Dr. Saman N. Ratnayake accept Medicare?
Yes. CMS data shows Dr. Ratnayake billed Medicare for 6,698 services in 2024, and Dr. Ratnayake accepts Medicare assignment.
Does Dr. Saman N. Ratnayake offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ratnayake as offering telehealth services.
What is Dr. Saman N. Ratnayake's MIPS score?
Dr. Ratnayake's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Saman N. Ratnayake see?
CMS counts 898 Medicare patients who saw Dr. Ratnayake in 2024, with an average age of 74.
Is Dr. Saman N. Ratnayake board certified?
Yes. Dr. Ratnayake is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Saman N. Ratnayake bill to Medicare?
In 2024, Dr. Ratnayake's most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and medicare service (G2211).
Where did Dr. Saman N. Ratnayake go to medical school?
Dr. Ratnayake graduated from Ross University School of Medicine in 1995.
What drugs does Dr. Saman N. Ratnayake prescribe most?
In 2024 Medicare Part D data, Dr. Ratnayake's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Saman N. Ratnayake received payments from drug or device companies?
CMS Open Payments shows $2,278 in general payments to Dr. Ratnayake from 34 companies from 2016 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Saman N. Ratnayake been practicing?
Dr. Ratnayake graduated from medical school in 1995, 31 years ago.
Does Dr. Saman N. Ratnayake do research?
Dmand AI links 3 publications to Dr. Ratnayake, published from 2015 to 2019.
Who does Dr. Saman N. Ratnayake publish with?
Dr. Ratnayake's most frequent co-authors are Tushar Bajaj, MD (2 shared papers), Hanh Duong, MD (2 shared papers) and Sundeep Grandhe, MD (2 shared papers).
What insurance does Dr. Saman N. Ratnayake accept?
Dr. Ratnayake is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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