Dr. Robert J. Alexander, DO
- Medicare services, 2024
- 3,446
- Medicare patients, 2024
- 523
- Part D claims, 2024
- 4,379
- MIPS score, 2024
- 93
- Industry payments
- $198
- Practice address
- 4072 Hempstead Turnpike, Bethpage, NY 11714
- Practice phone
- Call (516) 876-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwell Healthcare Inc
Bethpage, New York
Find Dr. Alexander'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. Robert J. Alexander is an internist in Bethpage, New York
Dr. Alexander practices at Northwell Healthcare Inc in Bethpage, New York.
Dr. Alexander's NPI, 1912956301, was assigned on May 10, 2006. Dr. Alexander graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 1996. Dr. Alexander holds New York license 207736.
- NPI
- 1912956301NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890770945
- NPI enumeration date
- May 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 876-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert J. Alexander practices at Northwell Healthcare Inc in Bethpage, New York
Dr. Alexander's primary practice is Northwell Healthcare Inc, at 4072 Hempstead Turnpike, Bethpage, NY 11714 in Nassau County. The practice phone is (516) 876-6000.
- Northwell Healthcare Inc4072 Hempstead Turnpike, Bethpage, NY 11714 · Nassau CountyPhone(516) 876-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert J. Alexander is affiliated with 4 sites of care and 1 medical group
Dr. Alexander's primary practice is Northwell Healthcare Inc in Bethpage, New York. The medical group on file is Northwell Health Physician Partners. Dmand AI also links Dr. Alexander to 2 more home health agencies 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. Robert J. Alexander's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alexander practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwell Healthcare Inc | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert J. Alexander is one of 9,643 internists in New York
Internal medicine is Dr. Alexander's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Alexander is board certified in internal medicine by the American Board of Internal Medicine. Dr. Alexander is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Clinical focus
Dmand AI lists acid reflux, acute skin infection, aneurysm, ankle or foot injury, asthma, atrial fibrillation and flutter, chronic anemia and chronic diabetes among the conditions Dr. Alexander treats.
Internists near Dr. Alexander
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. Robert J. Alexander billed Medicare for 3,446 services in 2024
CMS data shows 3,446 Medicare services from Dr. Alexander across 20 procedure codes in 2024, for 523 Medicare patients. Medicare paid $181,976 for them. Every service was in an office.
Dr. Alexander's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1,4282024: 1,84229%
- Office and hospital visits
- 2023: 5922024: 6388%
- Surgery
- 2023: 5712024: 5612%
- Tests and treatments
- 2023: 3122024: 3101%
- Lab and pathology
- 2023: 492024: 9594%
Dr. Alexander compared with the New York median for internists, 2024
- Dr. Alexander
- New York median
- Medicare services
- 3,446vs 4268.1 times
- Medicare patients
- 523vs 1583.3 times
- Part D claims
- 3,788vs 6226.1 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Alexander'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. Alexander and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert J. Alexander treated 523 Medicare patients in 2024, average age 74
CMS counts 523 Medicare patients who saw Dr. Alexander in 2024. The largest group is 65 to 74, with 262 patients. 75% of them have diabetes, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Alexander's median patient age at 61, with 49% women.
Dr. Alexander's Medicare patients by age, 2024
Dr. Alexander's Medicare patients by sex, 2024
- Women28755%
- Men23645%
Chronic conditions among Dr. Alexander's Medicare patients, 2024
- Diabetes75%
- High cholesterol75%
- High blood pressure63%
- Arthritis47%
- Ischemic heart disease24%
- Cancer18%
- Atrial fibrillation14%
- Osteoporosis13%
Share of Medicare patients with each condition. A patient can have several.
Dr. Alexander's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women49%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert J. Alexander wrote 4,379 Medicare Part D claims in 2024
In 2024, Dr. Alexander wrote 4,379 Medicare Part D claims for 548 patients. 92% of them were for generic drugs. CMS names the drug for 3,788 of them, across 78 drugs with 11 or more claims each, at $136,212 in total drug cost. In 2023, CMS named 3,301 claims across 80 drugs.
Dr. Alexander's Part D claims by kind of drug, 2024
- Generic4,009 claims92%
- Brand-name350 claims8%
- Other20 claims0%
Dr. Alexander'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. Alexander's Part D claims, 2024
- Opioids1%45 of 4,379 claims
- Antibiotics3%128 of 4,379 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: 3,3012024: 3,78815%
Drugs named by CMS: 78 in 2024, 80 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. Robert J. Alexander scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Alexander for performance year 2024, reported through an alternative payment model (APM). Dr. Alexander accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Alexander's MIPS scores, performance year 2024
- 93of 100Final score
- 79.8of 100Quality
- 89of 100Promoting Interoperability
- 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. Robert J. Alexander received $198 in industry payments from 2016 to 2023
CMS Open Payments shows 4 general payments to Dr. Alexander from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 87% of the total. AtriCure, Inc. paid the most, $145.
General payments to Dr. Alexander by program year, 2016 to 2023
General payments to Dr. Alexander by kind, 2016 to 2023
- Food and beverage$17387%
- Education$2513%
Companies that paid Dr. Alexander the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert J. Alexander graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury
Dr. Alexander graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 1996.
- Medical school
- Board certified in internal medicine
- Board certified in 1997 - 2027
Source: Dmand AI Professional Profile Data
Dr. Robert J. Alexander accepts plans from 18 insurance carriers
Dr. Alexander is in network with 18 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Cigna
- Humana
- +10 more carriersWith a free account
Plan types Dr. Alexander accepts, by number of carriers
- PPO11
- Medicare9
- HMO8
- EPO5
- Medicaid2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert J. Alexander'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 |
| 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. Robert J. Alexander
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. Robert J. Alexander's NPI number?
Dr. Robert J. Alexander's NPI number is 1912956301. It was assigned on May 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert J. Alexander?
Dr. Robert J. Alexander is an internist in Bethpage, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert J. Alexander practice?
Dr. Alexander practices at 4072 Hempstead Turnpike, Bethpage, NY 11714. Dr. Alexander's primary practice is Northwell Healthcare Inc in Bethpage, New York. Dmand AI also links Dr. Alexander to 2 home health agencies and 1 group practice or clinic.
What is Dr. Robert J. Alexander's office phone number?
The practice phone on file for Dr. Alexander is (516) 876-6000.
What is Dr. Robert J. Alexander's medical license number?
Dr. Alexander holds New York license 207736.
What medical group is Dr. Robert J. Alexander part of?
Dr. Alexander is linked to Northwell Health Physician Partners.
Does Dr. Robert J. Alexander accept Medicare?
Yes. CMS data shows Dr. Alexander billed Medicare for 3,446 services in 2024, and Dr. Alexander accepts Medicare assignment.
What is Dr. Robert J. Alexander's MIPS score?
Dr. Alexander's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Robert J. Alexander see?
CMS counts 523 Medicare patients who saw Dr. Alexander in 2024, with an average age of 74.
Is Dr. Robert J. Alexander board certified?
Yes. Dr. Alexander is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Robert J. Alexander bill to Medicare?
In 2024, Dr. Alexander's most billed Medicare services were surgery: heart and blood vessels (36415), medicare service (G0442) and medicare service (G0444).
Where did Dr. Robert J. Alexander go to medical school?
Dr. Alexander graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 1996.
What drugs does Dr. Robert J. Alexander prescribe most?
In 2024 Medicare Part D data, Dr. Alexander's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.
Has Dr. Robert J. Alexander received payments from drug or device companies?
CMS Open Payments shows $198 in general payments to Dr. Alexander from 4 companies from 2016 to 2023. The largest total came from AtriCure, Inc.
How long has Dr. Robert J. Alexander been practicing?
Dr. Alexander graduated from medical school in 1996, 30 years ago.
What insurance does Dr. Robert J. Alexander accept?
Dr. Alexander is in network with 18 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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