Dr. Stephen R. Bernhardt, MD
- Medicare services, 2024
- 5,830
- Medicare patients, 2024
- 1,030
- Part D claims, 2024
- 1,030
- MIPS score, 2024
- 100
- Hospital affiliations
- 3
- Practice address
- 340 Howells Rd, Bay Shore, NY 11706
- Practice phone
- Call (631) 666-2808
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Suffolk Nephrology Associates
Bay Shore, New York
Find Dr. Bernhardt'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. Stephen R. Bernhardt is a nephrologist in Bay Shore, New York
Dr. Bernhardt practices at Suffolk Nephrology Associates in Bay Shore, New York.
Dr. Bernhardt's NPI, 1851492904, was assigned on September 25, 2006. Dr. Bernhardt graduated from Hahnemann University College of Medicine in 1993. Dr. Bernhardt holds New York license 204772.
- NPI
- 1851492904NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335154608
- NPI enumeration date
- September 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 666-2808
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen R. Bernhardt practices at Suffolk Nephrology Associates in Bay Shore, New York
Dr. Bernhardt's primary practice is Suffolk Nephrology Associates, at 340 Howells Rd, Bay Shore, NY 11706 in Suffolk County. The practice phone is (631) 666-2808.
- Suffolk Nephrology Associates340 Howells Rd, Bay Shore, NY 11706 · Suffolk CountyPhone(631) 666-2808
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen R. Bernhardt is affiliated with 8 sites of care and 1 medical group
Dr. Bernhardt's primary practice is Suffolk Nephrology Associates in Bay Shore, New York. Dr. Bernhardt is also affiliated with South Shore University Hospital. The medical group on file is Suffolk Nephrology Associates, P.C. Dmand AI also links Dr. Bernhardt to 2 more hospitals, 3 dialysis centers 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. Stephen R. Bernhardt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bernhardt practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Suffolk Nephrology Associates | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen R. Bernhardt is one of 914 nephrologists in New York
Nephrology is Dr. Bernhardt's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Bernhardt is licensed in New York.
Specialties and state licenses
- Nephrology, New YorkPrimary
Nephrologists near Dr. Bernhardt
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. Stephen R. Bernhardt billed Medicare for 5,830 services in 2024
CMS data shows 5,830 Medicare services from Dr. Bernhardt across 18 procedure codes in 2024, for 1,030 Medicare patients. Medicare paid $402,629 for them.
Dr. Bernhardt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,7602024: 2,48041%
- Office and hospital visits
- 2023: 2,3962024: 2,4402%
- Tests and treatments
- 2023: 8482024: 8692%
- Lab and pathology
- 2023: 282024: 28No change
- Other services
- 2023: 02024: 13
Where Dr. Bernhardt's Medicare services took place, 2024
- In an office3,73564%
- In a facility2,09536%
Dr. Bernhardt compared with the New York median for nephrologists, 2024
- Dr. Bernhardt
- New York median
- Medicare services
- 5,830vs 6898.5 times
- Medicare patients
- 1,030vs 2174.7 times
- Part D claims
- 716vs 43664% above
Medians across 892 nephrologists in New York with Dmand AI profiles that report each measure.
Dr. Bernhardt'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. Bernhardt and other nephrologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen R. Bernhardt treated 1,030 Medicare patients in 2024, average age 76
CMS counts 1,030 Medicare patients who saw Dr. Bernhardt in 2024. The largest group is 75 to 84, with 377 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 25% are also on Medicaid. Their average risk score is 3.69, 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. Bernhardt's median patient age at 72, with 43% women.
Dr. Bernhardt's Medicare patients by age, 2024
Dr. Bernhardt's Medicare patients by sex, 2024
- Women45144%
- Men57956%
Chronic conditions among Dr. Bernhardt's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease69%
- Diabetes66%
- Arthritis59%
- Heart failure54%
- Atrial fibrillation44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bernhardt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women43%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen R. Bernhardt wrote 1,030 Medicare Part D claims in 2024
In 2024, Dr. Bernhardt wrote 1,030 Medicare Part D claims for 281 patients. 79% of them were for generic drugs. CMS names the drug for 716 of them, across 29 drugs with 11 or more claims each, at $260,160 in total drug cost. In 2023, CMS named 585 claims across 24 drugs.
Dr. Bernhardt's Part D claims by kind of drug, 2024
- Generic817 claims79%
- Brand-name and other213 claims21%
Dr. Bernhardt'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. Bernhardt's Part D claims, 2024
- Antibiotics5%51 of 1,030 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: 5852024: 71622%
Drugs named by CMS: 29 in 2024, 24 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. Stephen R. Bernhardt scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Bernhardt for performance year 2024, reported as part of a group. Dr. Bernhardt accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Bernhardt's MIPS scores, performance year 2024
- 100of 100Final score
- 90.3of 100Quality
- 40of 100Improvement Activities
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. Stephen R. Bernhardt received $112 in industry payments from 2018 to 2023
CMS Open Payments shows 6 general payments to Dr. Bernhardt from 5 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 76% of the total. Fresenius USA Marketing, Inc. paid the most, $32.
General payments to Dr. Bernhardt by program year, 2018 to 2023
General payments to Dr. Bernhardt by kind, 2018 to 2023
- Food and beverage$8576%
- Education$2724%
Companies that paid Dr. Bernhardt the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen R. Bernhardt graduated from Hahnemann University College of Medicine
Dr. Bernhardt graduated from Hahnemann University College of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen R. Bernhardt'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 |
| 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. Stephen R. Bernhardt
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. Stephen R. Bernhardt's NPI number?
Dr. Stephen R. Bernhardt's NPI number is 1851492904. It was assigned on September 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen R. Bernhardt?
Dr. Stephen R. Bernhardt is a nephrologist in Bay Shore, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Stephen R. Bernhardt practice?
Dr. Bernhardt practices at 340 Howells Rd, Bay Shore, NY 11706. Dr. Bernhardt's primary practice is Suffolk Nephrology Associates in Bay Shore, New York. Dmand AI also links Dr. Bernhardt to 2 hospitals, 3 dialysis centers and 1 group practice or clinic.
What is Dr. Stephen R. Bernhardt's office phone number?
The practice phone on file for Dr. Bernhardt is (631) 666-2808.
What is Dr. Stephen R. Bernhardt's medical license number?
Dr. Bernhardt holds New York license 204772.
Which hospitals is Dr. Stephen R. Bernhardt affiliated with?
Dr. Bernhardt is affiliated with South Shore University Hospital. Dmand AI links Dr. Bernhardt to 2 more hospitals.
What medical group is Dr. Stephen R. Bernhardt part of?
Dr. Bernhardt is linked to Suffolk Nephrology Associates, P.C.
Does Dr. Stephen R. Bernhardt accept Medicare?
Yes. CMS data shows Dr. Bernhardt billed Medicare for 5,830 services in 2024, and Dr. Bernhardt accepts Medicare assignment.
What is Dr. Stephen R. Bernhardt's MIPS score?
Dr. Bernhardt's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Stephen R. Bernhardt see?
CMS counts 1,030 Medicare patients who saw Dr. Bernhardt in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Stephen R. Bernhardt bill to Medicare?
In 2024, Dr. Bernhardt's most billed Medicare services were injected or infused drug (J0885), hospital inpatient care (99232) and office visit, established patient (99214).
Where did Dr. Stephen R. Bernhardt go to medical school?
Dr. Bernhardt graduated from Hahnemann University College of Medicine in 1993.
What drugs does Dr. Stephen R. Bernhardt prescribe most?
In 2024 Medicare Part D data, Dr. Bernhardt's most prescribed drugs by claims were Sevelamer Carbonate, Velphoro and Amlodipine Besylate.
Has Dr. Stephen R. Bernhardt received payments from drug or device companies?
CMS Open Payments shows $112 in general payments to Dr. Bernhardt from 5 companies from 2018 to 2023. The largest total came from Fresenius USA Marketing, Inc.
How long has Dr. Stephen R. Bernhardt been practicing?
Dr. Bernhardt graduated from medical school in 1993, 33 years ago.
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