Dr. Sharmini Jayamaha, MD
- Medicare services, 2024
- 1,655
- Medicare patients, 2024
- 473
- Part D claims, 2024
- 1,271
- MIPS score, 2024
- 20
- Hospital affiliations
- 2
- Practice address
- 1 Heros Way, Riverhead, NY 11901
- Practice phone
- Call (631) 548-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Jayamaha'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. Sharmini Jayamaha is a nephrologist in Riverhead, New York
Dr. Jayamaha practices at Peconic Bay Medical Center in Riverhead, New York, part of Northwell Health.
Dr. Jayamaha's NPI, 1912942558, was assigned on June 18, 2006. Dr. Jayamaha graduated from University of Kelaniya Faculty of Medicine in 1992. Dr. Jayamaha holds New York license 212805.
- NPI
- 1912942558NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527027531
- NPI enumeration date
- June 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 548-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sharmini Jayamaha practices at 2 locations in Riverhead, New York
Dr. Jayamaha's primary practice is Peconic Bay Medical Center, at 1 Heros Way, Riverhead, NY 11901 in Suffolk County. The practice phone is (631) 548-6000. Dr. Jayamaha also practices at Peconic Bay Medical Center, 1300 Roanoke Ave, Riverhead, NY 11901.
- Peconic Bay Medical CenterPrimary1 Heros Way, Riverhead, NY 11901 · Suffolk CountyPhone(631) 548-6000
- Peconic Bay Medical Center1300 Roanoke Ave, Riverhead, NY 11901 · Suffolk CountyPhone(631) 548-6446
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Sharmini Jayamaha is affiliated with 6 sites of care
Dr. Jayamaha's primary practice is Peconic Bay Medical Center in Riverhead, New York, part of Northwell Health. Dr. Jayamaha is also affiliated with Stony Brook University Hospital. Dmand AI also links Dr. Jayamaha to 3 more dialysis centers and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sharmini Jayamaha's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jayamaha practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Peconic Bay Medical Center | Available with a free account |
| +5 more affiliated sites | 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 Northwell Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sharmini Jayamaha is one of 914 nephrologists in New York
Nephrology is Dr. Jayamaha's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Jayamaha is licensed in New York.
Specialties and state licenses
- Nephrology, New YorkPrimary
Nephrologists near Dr. Jayamaha
Counts of nephrologists 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. Sharmini Jayamaha billed Medicare for 1,655 services in 2024
CMS data shows 1,655 Medicare services from Dr. Jayamaha across 9 procedure codes in 2024, for 473 Medicare patients. Medicare paid $219,507 for them.
Dr. Jayamaha's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2432024: 1,2712%
- Tests and treatments
- 2023: 3692024: 3844%
Where Dr. Jayamaha's Medicare services took place, 2024
- In an office1,23775%
- In a facility41825%
Dr. Jayamaha compared with the New York median for nephrologists, 2024
- Dr. Jayamaha
- New York median
- Medicare services
- 1,655vs 6892.4 times
- Medicare patients
- 473vs 2172.2 times
- Part D claims
- 1,105vs 4362.5 times
Medians across 892 nephrologists in New York with Dmand AI profiles that report each measure.
Dr. Jayamaha'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.
Need commercial claims for Dr. Jayamaha?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Jayamaha and other nephrologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sharmini Jayamaha treated 473 Medicare patients in 2024, average age 78
CMS counts 473 Medicare patients who saw Dr. Jayamaha in 2024. The largest group is 75 to 84, with 190 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 14% are also on Medicaid. Their average risk score is 2.55, 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. Jayamaha's median patient age at 76, with 46% women.
Dr. Jayamaha's Medicare patients by age, 2024
Dr. Jayamaha's Medicare patients by sex, 2024
- Women20644%
- Men26756%
Chronic conditions among Dr. Jayamaha's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease51%
- Diabetes49%
- Atrial fibrillation36%
- Heart failure36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Jayamaha's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women46%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sharmini Jayamaha wrote 1,271 Medicare Part D claims in 2024
In 2024, Dr. Jayamaha wrote 1,271 Medicare Part D claims for 255 patients. 85% of them were for generic drugs. CMS names the drug for 1,105 of them, across 29 drugs with 11 or more claims each, at $275,785 in total drug cost. In 2023, CMS named 1,019 claims across 28 drugs.
Dr. Jayamaha's Part D claims by kind of drug, 2024
- Generic1,081 claims85%
- Brand-name190 claims15%
Dr. Jayamaha'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0192024: 1,1058%
Drugs named by CMS: 29 in 2024, 28 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. Sharmini Jayamaha scored 20 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 20 out of 100 for Dr. Jayamaha for performance year 2024, reported individually. Dr. Jayamaha accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Jayamaha's MIPS scores, performance year 2024
- 20of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 67of 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
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Sharmini Jayamaha received $286 in industry payments from 2021 to 2025
CMS Open Payments shows 5 general payments to Dr. Jayamaha from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $138.
General payments to Dr. Jayamaha by program year, 2021 to 2025
Companies that paid Dr. Jayamaha the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sharmini Jayamaha graduated from University of Kelaniya Faculty of Medicine
Dr. Jayamaha graduated from University of Kelaniya Faculty of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sharmini Jayamaha'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 Affiliation DataDmand AI Practice 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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Sharmini Jayamaha
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. Sharmini Jayamaha's NPI number?
Dr. Sharmini Jayamaha's NPI number is 1912942558. It was assigned on June 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sharmini Jayamaha?
Dr. Sharmini Jayamaha is a nephrologist in Riverhead, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Sharmini Jayamaha practice?
Dr. Jayamaha practices at 1 Heros Way, Riverhead, NY 11901. Dr. Jayamaha also practices at 1300 Roanoke Ave, Riverhead, NY 11901. Dr. Jayamaha's primary practice is Peconic Bay Medical Center in Riverhead, New York, part of Northwell Health. Dmand AI also links Dr. Jayamaha to 3 dialysis centers and 1 physician office.
What is Dr. Sharmini Jayamaha's office phone number?
The practice phone on file for Dr. Jayamaha is (631) 548-6000.
What is Dr. Sharmini Jayamaha's medical license number?
Dr. Jayamaha holds New York license 212805.
Which hospitals is Dr. Sharmini Jayamaha affiliated with?
Dr. Jayamaha practices at Peconic Bay Medical Center in Riverhead, New York. Dr. Jayamaha is also affiliated with Stony Brook University Hospital.
Does Dr. Sharmini Jayamaha accept Medicare?
Yes. CMS data shows Dr. Jayamaha billed Medicare for 1,655 services in 2024, and Dr. Jayamaha accepts Medicare assignment.
What is Dr. Sharmini Jayamaha's MIPS score?
Dr. Jayamaha's MIPS final score for performance year 2024 is 20 out of 100, reported individually.
How many Medicare patients does Dr. Sharmini Jayamaha see?
CMS counts 473 Medicare patients who saw Dr. Jayamaha in 2024, with an average age of 78.
What services does Dr. Sharmini Jayamaha bill to Medicare?
In 2024, Dr. Jayamaha's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and dialysis (90960).
Show 4 more questionsShow fewer questions
Where did Dr. Sharmini Jayamaha go to medical school?
Dr. Jayamaha graduated from University of Kelaniya Faculty of Medicine in 1992.
What drugs does Dr. Sharmini Jayamaha prescribe most?
In 2024 Medicare Part D data, Dr. Jayamaha's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Hydralazine HCl.
Has Dr. Sharmini Jayamaha received payments from drug or device companies?
CMS Open Payments shows $286 in general payments to Dr. Jayamaha from 3 companies from 2021 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Dr. Sharmini Jayamaha been practicing?
Dr. Jayamaha graduated from medical school in 1992, 34 years ago.
Selling to nephrology practices?
See nephrologists in New York 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